[packages/kernel/LINUX_4_19] - 4.19.18
baggins
baggins at pld-linux.org
Mon Jan 28 14:52:16 CET 2019
commit e49925d1d536503d560a8f3cbb7b137fe3e8eacf
Author: Jan Rękorajski <baggins at pld-linux.org>
Date: Mon Jan 28 14:52:02 2019 +0100
- 4.19.18
kernel-aufs4.patch | 666 ++++++++++++++++++++++++++++++++---------------------
kernel.spec | 8 +-
2 files changed, 411 insertions(+), 263 deletions(-)
---
diff --git a/kernel.spec b/kernel.spec
index 2bbf62a1..c0767cce 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -68,9 +68,9 @@
%define have_pcmcia 0
%endif
-%define rel 3
+%define rel 1
%define basever 4.19
-%define postver .16
+%define postver .18
# define this to '-%{basever}' for longterm branch
%define versuffix -%{basever}
@@ -122,7 +122,7 @@ Source0: https://www.kernel.org/pub/linux/kernel/v4.x/linux-%{basever}.tar.xz
# Source0-md5: 740a90cf810c2105df8ee12e5d0bb900
%if "%{postver}" != ".0"
Patch0: https://www.kernel.org/pub/linux/kernel/v4.x/patch-%{version}.xz
-# Patch0-md5: faa1c7284f57ca690ad021fa20a2a69a
+# Patch0-md5: 2a13b1d30bf27c126a8e91ad6e8a844d
%endif
Source1: kernel.sysconfig
@@ -196,7 +196,7 @@ Patch101: kernel-vserver-fixes.patch
# Patch creation:
# git clone git://github.com/sfjro/aufs4-standalone.git
# cd aufs4-standalone
-# git checkout -b aufs4.17 origin/aufs4.17
+# git checkout -b aufs4.19 origin/aufs4.19
# cat aufs4-kbuild.patch aufs4-base.patch aufs4-mmap.patch aufs4-standalone.patch > ~/rpm/packages/kernel/kernel-aufs4.patch
# rm -rf linux && mkdir linux; cp -a Documentation fs include linux
# diff -urN /usr/share/empty linux | filterdiff -x linux/include/uapi/linux/Kbuild >> ~/rpm/packages/kernel/kernel-aufs4.patch
diff --git a/kernel-aufs4.patch b/kernel-aufs4.patch
index a25984be..de9a1f2b 100644
--- a/kernel-aufs4.patch
+++ b/kernel-aufs4.patch
@@ -1,5 +1,5 @@
SPDX-License-Identifier: GPL-2.0
-aufs4.x-rcN kbuild patch
+aufs4.19 kbuild patch
diff --git a/fs/Kconfig b/fs/Kconfig
index ac474a6..284cee9 100644
@@ -23,10 +23,10 @@ index 293733f..12d19d0 100644
obj-$(CONFIG_EFIVAR_FS) += efivarfs/
+obj-$(CONFIG_AUFS_FS) += aufs/
SPDX-License-Identifier: GPL-2.0
-aufs4.x-rcN base patch
+aufs4.19 base patch
diff --git a/MAINTAINERS b/MAINTAINERS
-index 6ac000c..16404bb 100644
+index b2f710e..d211619 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2605,6 +2605,19 @@ F: include/linux/audit.h
@@ -343,7 +343,7 @@ index dd13f86..fa6f559 100644
#ifdef CONFIG_LOCK_STAT
static DEFINE_PER_CPU(struct lock_class_stats[MAX_LOCKDEP_KEYS], cpu_lock_stats);
SPDX-License-Identifier: GPL-2.0
-aufs4.x-rcN mmap patch
+aufs4.19 mmap patch
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 7e9f07bf..3ab5901 100644
@@ -737,7 +737,7 @@ index 0000000..a27ac36
+}
+#endif /* !CONFIG_MMU */
SPDX-License-Identifier: GPL-2.0
-aufs4.x-rcN standalone patch
+aufs4.19 standalone patch
diff --git a/fs/dcache.c b/fs/dcache.c
index 9f57bd8..328a136 100644
@@ -1158,7 +1158,7 @@ index 736e78d..b314539 100644
{
diff -urN /usr/share/empty/Documentation/ABI/testing/debugfs-aufs linux/Documentation/ABI/testing/debugfs-aufs
--- /usr/share/empty/Documentation/ABI/testing/debugfs-aufs 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/ABI/testing/debugfs-aufs 2018-08-12 23:43:05.450124426 +0200
++++ linux/Documentation/ABI/testing/debugfs-aufs 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,55 @@
+What: /debug/aufs/si_<id>/
+Date: March 2009
@@ -1217,7 +1217,7 @@ diff -urN /usr/share/empty/Documentation/ABI/testing/debugfs-aufs linux/Document
+ will be empty. About XINO files, see the aufs manual.
diff -urN /usr/share/empty/Documentation/ABI/testing/sysfs-aufs linux/Documentation/ABI/testing/sysfs-aufs
--- /usr/share/empty/Documentation/ABI/testing/sysfs-aufs 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/ABI/testing/sysfs-aufs 2017-07-29 12:14:25.893041746 +0200
++++ linux/Documentation/ABI/testing/sysfs-aufs 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,31 @@
+What: /sys/fs/aufs/si_<id>/
+Date: March 2009
@@ -1252,7 +1252,7 @@ diff -urN /usr/share/empty/Documentation/ABI/testing/sysfs-aufs linux/Documentat
+ will be empty. About XINO files, see the aufs manual.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/01intro.txt linux/Documentation/filesystems/aufs/design/01intro.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/01intro.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/01intro.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/01intro.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,171 @@
+
+# Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -1427,7 +1427,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/01intro.txt lin
+about it. But currently I have implemented it in kernel space.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/02struct.txt linux/Documentation/filesystems/aufs/design/02struct.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/02struct.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/02struct.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/02struct.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,258 @@
+
+# Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -1689,7 +1689,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/02struct.txt li
+For this purpose, use "aumvdown" command in aufs-util.git.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/03atomic_open.txt linux/Documentation/filesystems/aufs/design/03atomic_open.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/03atomic_open.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/03atomic_open.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/03atomic_open.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,85 @@
+
+# Copyright (C) 2015-2018 Junjiro R. Okajima
@@ -1778,7 +1778,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/03atomic_open.t
+ be implemented in aufs, but not all I am afraid.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/03lookup.txt linux/Documentation/filesystems/aufs/design/03lookup.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/03lookup.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/03lookup.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/03lookup.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,113 @@
+
+# Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -1895,7 +1895,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/03lookup.txt li
+ by over-mounting something (or another method).
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/04branch.txt linux/Documentation/filesystems/aufs/design/04branch.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/04branch.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/04branch.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/04branch.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,74 @@
+
+# Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -1973,7 +1973,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/04branch.txt li
+ same named entry on the upper branch.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/05wbr_policy.txt linux/Documentation/filesystems/aufs/design/05wbr_policy.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/05wbr_policy.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/05wbr_policy.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/05wbr_policy.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,64 @@
+
+# Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -2041,7 +2041,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/05wbr_policy.tx
+ copyup policy.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06dirren.dot linux/Documentation/filesystems/aufs/design/06dirren.dot
--- /usr/share/empty/Documentation/filesystems/aufs/design/06dirren.dot 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/06dirren.dot 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/06dirren.dot 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,31 @@
+
+// to view this graph, run dot(1) command in GRAPHVIZ.
@@ -2076,7 +2076,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06dirren.dot li
+}
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06dirren.txt linux/Documentation/filesystems/aufs/design/06dirren.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/06dirren.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/06dirren.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/06dirren.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,102 @@
+
+# Copyright (C) 2017-2018 Junjiro R. Okajima
@@ -2182,7 +2182,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06dirren.txt li
+equivalen to udba=reval case.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06fhsm.txt linux/Documentation/filesystems/aufs/design/06fhsm.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/06fhsm.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/06fhsm.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/06fhsm.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,120 @@
+
+# Copyright (C) 2011-2018 Junjiro R. Okajima
@@ -2306,7 +2306,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06fhsm.txt linu
+should restore the original file state after an error happens.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06mmap.txt linux/Documentation/filesystems/aufs/design/06mmap.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/06mmap.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/06mmap.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/06mmap.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,72 @@
+
+# Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -2382,7 +2382,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06mmap.txt linu
+I have to give up this "looks-smater" approach.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06xattr.txt linux/Documentation/filesystems/aufs/design/06xattr.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/06xattr.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/06xattr.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/06xattr.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,96 @@
+
+# Copyright (C) 2014-2018 Junjiro R. Okajima
@@ -2482,7 +2482,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/06xattr.txt lin
+now, aufs implements the branch attributes to ignore the error.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/07export.txt linux/Documentation/filesystems/aufs/design/07export.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/07export.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/07export.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/07export.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,58 @@
+
+# Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -2544,7 +2544,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/07export.txt li
+ lookup_one_len(), vfs_getattr(), encode_fh() and others.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/08shwh.txt linux/Documentation/filesystems/aufs/design/08shwh.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/08shwh.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/08shwh.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/08shwh.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,52 @@
+
+# Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -2600,7 +2600,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/08shwh.txt linu
+initramfs will use it to replace the old one at the next boot.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/10dynop.txt linux/Documentation/filesystems/aufs/design/10dynop.txt
--- /usr/share/empty/Documentation/filesystems/aufs/design/10dynop.txt 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/design/10dynop.txt 2018-04-15 08:49:13.394483860 +0200
++++ linux/Documentation/filesystems/aufs/design/10dynop.txt 2019-01-28 14:36:12.215751270 +0100
@@ -0,0 +1,47 @@
+
+# Copyright (C) 2010-2018 Junjiro R. Okajima
@@ -2651,8 +2651,8 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/design/10dynop.txt lin
+regular files only.
diff -urN /usr/share/empty/Documentation/filesystems/aufs/README linux/Documentation/filesystems/aufs/README
--- /usr/share/empty/Documentation/filesystems/aufs/README 1970-01-01 01:00:00.000000000 +0100
-+++ linux/Documentation/filesystems/aufs/README 2018-10-23 12:33:35.579375203 +0200
-@@ -0,0 +1,394 @@
++++ linux/Documentation/filesystems/aufs/README 2019-01-28 14:36:12.215751270 +0100
+@@ -0,0 +1,395 @@
+
+Aufs4 -- advanced multi layered unification filesystem version 4.x
+http://aufs.sf.net
@@ -3030,6 +3030,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/README linux/Documenta
+Tomasz Szewczyk made a donation (2016/4).
+James Burry made a donation (2016/12).
+Carsten Rose made a donation (2018/9).
++Porteus Kiosk made a donation (2018/10).
+
+Thank you very much.
+Donations are always, including future donations, very important and
@@ -3049,7 +3050,7 @@ diff -urN /usr/share/empty/Documentation/filesystems/aufs/README linux/Documenta
+# End: ;
diff -urN /usr/share/empty/fs/aufs/aufs.h linux/fs/aufs/aufs.h
--- /usr/share/empty/fs/aufs/aufs.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/aufs.h 2018-10-23 12:33:35.592708932 +0200
++++ linux/fs/aufs/aufs.h 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -3115,7 +3116,7 @@ diff -urN /usr/share/empty/fs/aufs/aufs.h linux/fs/aufs/aufs.h
+#endif /* __AUFS_H__ */
diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
--- /usr/share/empty/fs/aufs/branch.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/branch.c 2018-10-23 12:33:35.592708932 +0200
++++ linux/fs/aufs/branch.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,1422 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -3172,7 +3173,7 @@ diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
+
+ if (br->br_fhsm) {
+ au_br_fhsm_fin(br->br_fhsm);
-+ kfree(br->br_fhsm);
++ au_kfree_try_rcu(br->br_fhsm);
+ }
+
+ key = br->br_dykey;
@@ -3187,12 +3188,12 @@ diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
+ lockdep_off();
+ path_put(&br->br_path);
+ lockdep_on();
-+ kfree(wbr);
++ au_kfree_rcu(wbr);
+ au_lcnt_wait_for_fin(&br->br_nfiles);
+ au_lcnt_wait_for_fin(&br->br_count);
+ /* I don't know why, but percpu_refcount requires this */
+ /* synchronize_rcu(); */
-+ kfree(br);
++ au_kfree_rcu(br);
+}
+
+/*
@@ -3293,13 +3294,13 @@ diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
+ return add_branch; /* success */
+
+out_wbr:
-+ kfree(add_branch->br_wbr);
++ au_kfree_rcu(add_branch->br_wbr);
+out_hnotify:
+ au_hnotify_fin_br(add_branch);
+out_xino:
+ au_xino_put(add_branch);
+out_br:
-+ kfree(add_branch);
++ au_kfree_rcu(add_branch);
+out:
+ return ERR_PTR(err);
+}
@@ -3465,7 +3466,7 @@ diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
+ br->br_perm = old_perm;
+
+ if (!err && wbr && !au_br_writable(new_perm)) {
-+ kfree(wbr);
++ au_kfree_rcu(wbr);
+ br->br_wbr = NULL;
+ }
+
@@ -4492,7 +4493,7 @@ diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
+ if (br->br_wbr) {
+ err = au_wbr_init(br, sb, mod->perm);
+ if (unlikely(err)) {
-+ kfree(br->br_wbr);
++ au_kfree_rcu(br->br_wbr);
+ br->br_wbr = NULL;
+ }
+ }
@@ -4504,7 +4505,7 @@ diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
+ if (!au_br_fhsm(mod->perm)) {
+ /* fhsm --> non-fhsm */
+ au_br_fhsm_fin(br->br_fhsm);
-+ kfree(br->br_fhsm);
++ au_kfree_rcu(br->br_fhsm);
+ br->br_fhsm = NULL;
+ }
+ } else if (au_br_fhsm(mod->perm))
@@ -4516,7 +4517,7 @@ diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
+ goto out; /* success */
+
+out_bf:
-+ kfree(bf);
++ au_kfree_try_rcu(bf);
+out:
+ AuTraceErr(err);
+ return err;
@@ -4541,8 +4542,8 @@ diff -urN /usr/share/empty/fs/aufs/branch.c linux/fs/aufs/branch.c
+}
diff -urN /usr/share/empty/fs/aufs/branch.h linux/fs/aufs/branch.h
--- /usr/share/empty/fs/aufs/branch.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/branch.h 2018-10-23 12:33:35.592708932 +0200
-@@ -0,0 +1,367 @@
++++ linux/fs/aufs/branch.h 2019-01-28 14:36:12.219084659 +0100
+@@ -0,0 +1,365 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -4594,9 +4595,7 @@ diff -urN /usr/share/empty/fs/aufs/branch.h linux/fs/aufs/branch.h
+ } xi_nondir;
+
+ struct mutex xi_mtx; /* protects xi_file array */
-+ /* reserved for future use */
-+ /* wait_queue_head_t xi_wq; */
-+ /* atomic_t xi_pending; */
++ struct hlist_bl_head xi_writing;
+
+ atomic_t xi_truncating;
+
@@ -4912,7 +4911,7 @@ diff -urN /usr/share/empty/fs/aufs/branch.h linux/fs/aufs/branch.h
+#endif /* __AUFS_BRANCH_H__ */
diff -urN /usr/share/empty/fs/aufs/conf.mk linux/fs/aufs/conf.mk
--- /usr/share/empty/fs/aufs/conf.mk 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/conf.mk 2018-06-04 09:08:09.181412645 +0200
++++ linux/fs/aufs/conf.mk 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: GPL-2.0
+
@@ -4956,8 +4955,8 @@ diff -urN /usr/share/empty/fs/aufs/conf.mk linux/fs/aufs/conf.mk
+-include ${srctree}/${src}/conf_priv.mk
diff -urN /usr/share/empty/fs/aufs/cpup.c linux/fs/aufs/cpup.c
--- /usr/share/empty/fs/aufs/cpup.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/cpup.c 2018-10-23 12:33:35.596042364 +0200
-@@ -0,0 +1,1444 @@
++++ linux/fs/aufs/cpup.c 2019-01-28 14:36:12.219084659 +0100
+@@ -0,0 +1,1448 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -5297,9 +5296,11 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c linux/fs/aufs/cpup.c
+ unsigned long blksize;
+ unsigned char do_kfree;
+ char *buf;
++ struct super_block *h_sb;
+
+ err = -ENOMEM;
-+ blksize = dst->f_path.dentry->d_sb->s_blocksize;
++ h_sb = file_inode(dst)->i_sb;
++ blksize = h_sb->s_blocksize;
+ if (!blksize || PAGE_SIZE < blksize)
+ blksize = PAGE_SIZE;
+ AuDbg("blksize %lu\n", blksize);
@@ -5317,9 +5318,10 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c linux/fs/aufs/cpup.c
+ src->f_pos = 0;
+ dst->f_pos = 0;
+ err = au_do_copy_file(dst, src, len, buf, blksize);
-+ if (do_kfree)
-+ kfree(buf);
-+ else
++ if (do_kfree) {
++ AuDebugOn(!au_kfree_do_sz_test(blksize));
++ au_kfree_do_rcu(buf);
++ } else
+ free_page((unsigned long)buf);
+
+out:
@@ -5393,18 +5395,15 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c linux/fs/aufs/cpup.c
+ struct dentry *dentry;
+ int force_wr;
+ struct file *file;
-+ void *label;
+ } *f, file[] = {
+ {
+ .bindex = cpg->bsrc,
+ .flags = O_RDONLY | O_NOATIME | O_LARGEFILE,
-+ .label = &&out
+ },
+ {
+ .bindex = cpg->bdst,
+ .flags = O_WRONLY | O_NOATIME | O_LARGEFILE,
+ .force_wr = !!au_ftest_cpup(cpg->flags, RWDST),
-+ .label = &&out_src
+ }
+ };
+ struct au_branch *br;
@@ -5419,9 +5418,13 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c linux/fs/aufs/cpup.c
+ f->dentry = au_h_dptr(cpg->dentry, f->bindex);
+ f->file = au_h_open(cpg->dentry, f->bindex, f->flags,
+ /*file*/NULL, f->force_wr);
-+ err = PTR_ERR(f->file);
-+ if (IS_ERR(f->file))
-+ goto *f->label;
++ if (IS_ERR(f->file)) {
++ err = PTR_ERR(f->file);
++ if (i == SRC)
++ goto out;
++ else
++ goto out_src;
++ }
+ }
+
+ /* try stopping to update while we copyup */
@@ -5911,7 +5914,7 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c linux/fs/aufs/cpup.c
+ }
+out_parent:
+ dput(dst_parent);
-+ kfree(a);
++ au_kfree_rcu(a);
+out:
+ return err;
+}
@@ -6404,7 +6407,7 @@ diff -urN /usr/share/empty/fs/aufs/cpup.c linux/fs/aufs/cpup.c
+}
diff -urN /usr/share/empty/fs/aufs/cpup.h linux/fs/aufs/cpup.h
--- /usr/share/empty/fs/aufs/cpup.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/cpup.h 2018-08-12 23:43:05.453457863 +0200
++++ linux/fs/aufs/cpup.h 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,100 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -6508,8 +6511,8 @@ diff -urN /usr/share/empty/fs/aufs/cpup.h linux/fs/aufs/cpup.h
+#endif /* __AUFS_CPUP_H__ */
diff -urN /usr/share/empty/fs/aufs/dbgaufs.c linux/fs/aufs/dbgaufs.c
--- /usr/share/empty/fs/aufs/dbgaufs.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dbgaufs.c 2018-10-23 12:33:35.596042364 +0200
-@@ -0,0 +1,519 @@
++++ linux/fs/aufs/dbgaufs.c 2019-01-28 14:36:12.219084659 +0100
+@@ -0,0 +1,526 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -6554,7 +6557,14 @@ diff -urN /usr/share/empty/fs/aufs/dbgaufs.c linux/fs/aufs/dbgaufs.c
+static int dbgaufs_xi_release(struct inode *inode __maybe_unused,
+ struct file *file)
+{
-+ kfree(file->private_data);
++ void *p;
++
++ p = file->private_data;
++ if (p) {
++ /* this is struct dbgaufs_arg */
++ AuDebugOn(!au_kfree_sz_test(p));
++ au_kfree_do_rcu(p);
++ }
+ return 0;
+}
+
@@ -7031,7 +7041,7 @@ diff -urN /usr/share/empty/fs/aufs/dbgaufs.c linux/fs/aufs/dbgaufs.c
+}
diff -urN /usr/share/empty/fs/aufs/dbgaufs.h linux/fs/aufs/dbgaufs.h
--- /usr/share/empty/fs/aufs/dbgaufs.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dbgaufs.h 2018-08-12 23:43:05.453457863 +0200
++++ linux/fs/aufs/dbgaufs.h 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -7088,7 +7098,7 @@ diff -urN /usr/share/empty/fs/aufs/dbgaufs.h linux/fs/aufs/dbgaufs.h
+#endif /* __DBGAUFS_H__ */
diff -urN /usr/share/empty/fs/aufs/dcsub.c linux/fs/aufs/dcsub.c
--- /usr/share/empty/fs/aufs/dcsub.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dcsub.c 2018-08-12 23:43:05.453457863 +0200
++++ linux/fs/aufs/dcsub.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,225 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -7145,7 +7155,7 @@ diff -urN /usr/share/empty/fs/aufs/dcsub.c linux/fs/aufs/dcsub.c
+ return 0; /* success */
+
+out_dpages:
-+ kfree(dpages->dpages);
++ au_kfree_try_rcu(dpages->dpages);
+out:
+ return err;
+}
@@ -7158,7 +7168,7 @@ diff -urN /usr/share/empty/fs/aufs/dcsub.c linux/fs/aufs/dcsub.c
+ p = dpages->dpages;
+ for (i = 0; i < dpages->ndpage; i++)
+ au_dpage_free(p++);
-+ kfree(dpages->dpages);
++ au_kfree_try_rcu(dpages->dpages);
+}
+
+static int au_dpages_append(struct au_dcsub_pages *dpages,
@@ -7317,7 +7327,7 @@ diff -urN /usr/share/empty/fs/aufs/dcsub.c linux/fs/aufs/dcsub.c
+}
diff -urN /usr/share/empty/fs/aufs/dcsub.h linux/fs/aufs/dcsub.h
--- /usr/share/empty/fs/aufs/dcsub.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dcsub.h 2018-08-12 23:43:05.453457863 +0200
++++ linux/fs/aufs/dcsub.h 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,137 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -7458,7 +7468,7 @@ diff -urN /usr/share/empty/fs/aufs/dcsub.h linux/fs/aufs/dcsub.h
+#endif /* __AUFS_DCSUB_H__ */
diff -urN /usr/share/empty/fs/aufs/debug.c linux/fs/aufs/debug.c
--- /usr/share/empty/fs/aufs/debug.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/debug.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/debug.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,440 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -7798,7 +7808,7 @@ diff -urN /usr/share/empty/fs/aufs/debug.c linux/fs/aufs/debug.c
+ a->mnt.mnt_sb = sb;
+ a->fake.br_path.mnt = &a->mnt;
+ err = do_pri_br(-1, &a->fake);
-+ kfree(a);
++ au_kfree_rcu(a);
+ dpri("dev 0x%x\n", sb->s_dev);
+ if (err || !au_test_aufs(sb))
+ return;
@@ -7902,7 +7912,7 @@ diff -urN /usr/share/empty/fs/aufs/debug.c linux/fs/aufs/debug.c
+}
diff -urN /usr/share/empty/fs/aufs/debug.h linux/fs/aufs/debug.h
--- /usr/share/empty/fs/aufs/debug.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/debug.h 2018-08-12 23:43:05.453457863 +0200
++++ linux/fs/aufs/debug.h 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,226 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -8132,7 +8142,7 @@ diff -urN /usr/share/empty/fs/aufs/debug.h linux/fs/aufs/debug.h
+#endif /* __AUFS_DEBUG_H__ */
diff -urN /usr/share/empty/fs/aufs/dentry.c linux/fs/aufs/dentry.c
--- /usr/share/empty/fs/aufs/dentry.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dentry.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/dentry.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,1153 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -8370,7 +8380,7 @@ diff -urN /usr/share/empty/fs/aufs/dentry.c linux/fs/aufs/dentry.c
+
+out_parent:
+ dput(parent);
-+ kfree(args.whname.name);
++ au_kfree_try_rcu(args.whname.name);
+ if (dirren)
+ au_dr_lkup_fin(&args);
+out:
@@ -9289,8 +9299,8 @@ diff -urN /usr/share/empty/fs/aufs/dentry.c linux/fs/aufs/dentry.c
+};
diff -urN /usr/share/empty/fs/aufs/dentry.h linux/fs/aufs/dentry.h
--- /usr/share/empty/fs/aufs/dentry.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dentry.h 2018-08-12 23:43:05.453457863 +0200
-@@ -0,0 +1,267 @@
++++ linux/fs/aufs/dentry.h 2019-01-28 14:36:12.219084659 +0100
+@@ -0,0 +1,268 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -9334,6 +9344,7 @@ diff -urN /usr/share/empty/fs/aufs/dentry.h linux/fs/aufs/dentry.h
+ aufs_bindex_t di_btop, di_bbot, di_bwh, di_bdiropq;
+ unsigned char di_tmpfile; /* to allow the different name */
+ struct au_hdentry *di_hdentry;
++ struct rcu_head rcu;
+} ____cacheline_aligned_in_smp;
+
+/* ---------------------------------------------------------------------- */
@@ -9560,7 +9571,7 @@ diff -urN /usr/share/empty/fs/aufs/dentry.h linux/fs/aufs/dentry.h
+#endif /* __AUFS_DENTRY_H__ */
diff -urN /usr/share/empty/fs/aufs/dinfo.c linux/fs/aufs/dinfo.c
--- /usr/share/empty/fs/aufs/dinfo.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dinfo.c 2018-08-12 23:43:05.453457863 +0200
++++ linux/fs/aufs/dinfo.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,554 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -9638,7 +9649,7 @@ diff -urN /usr/share/empty/fs/aufs/dinfo.c linux/fs/aufs/dinfo.c
+ while (bindex++ <= bbot)
+ au_hdput(p++);
+ }
-+ kfree(dinfo->di_hdentry);
++ au_kfree_try_rcu(dinfo->di_hdentry);
+ au_cache_free_dinfo(dinfo);
+}
+
@@ -10118,7 +10129,7 @@ diff -urN /usr/share/empty/fs/aufs/dinfo.c linux/fs/aufs/dinfo.c
+}
diff -urN /usr/share/empty/fs/aufs/dir.c linux/fs/aufs/dir.c
--- /usr/share/empty/fs/aufs/dir.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dir.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/dir.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,762 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -10279,7 +10290,7 @@ diff -urN /usr/share/empty/fs/aufs/dir.c linux/fs/aufs/dir.c
+out:
+ dput(a->dentry);
+ au_nwt_done(&au_sbi(sb)->si_nowait);
-+ kfree(arg);
++ au_kfree_try_rcu(arg);
+}
+
+void au_dir_ts(struct inode *dir, aufs_bindex_t bindex)
@@ -10315,7 +10326,7 @@ diff -urN /usr/share/empty/fs/aufs/dir.c linux/fs/aufs/dir.c
+ if (unlikely(wkq_err)) {
+ pr_err("wkq %d\n", wkq_err);
+ dput(dentry);
-+ kfree(arg);
++ au_kfree_try_rcu(arg);
+ }
+
+out:
@@ -10434,7 +10445,7 @@ diff -urN /usr/share/empty/fs/aufs/dir.c linux/fs/aufs/dir.c
+ };
+ err = au_do_open(file, &args);
+ if (unlikely(err))
-+ kfree(fidir);
++ au_kfree_rcu(fidir);
+ }
+ si_read_unlock(sb);
+ return err;
@@ -10470,7 +10481,7 @@ diff -urN /usr/share/empty/fs/aufs/dir.c linux/fs/aufs/dir.c
+ if (hf->hf_file)
+ au_hfput(hf, /*execed*/0);
+ }
-+ kfree(fidir);
++ au_kfree_rcu(fidir);
+ finfo->fi_hdir = NULL;
+ }
+ au_finfo_fin(file);
@@ -10884,8 +10895,8 @@ diff -urN /usr/share/empty/fs/aufs/dir.c linux/fs/aufs/dir.c
+};
diff -urN /usr/share/empty/fs/aufs/dir.h linux/fs/aufs/dir.h
--- /usr/share/empty/fs/aufs/dir.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dir.h 2018-08-12 23:43:05.453457863 +0200
-@@ -0,0 +1,132 @@
++++ linux/fs/aufs/dir.h 2019-01-28 14:36:12.219084659 +0100
+@@ -0,0 +1,134 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -10932,6 +10943,7 @@ diff -urN /usr/share/empty/fs/aufs/dir.h linux/fs/aufs/dir.h
+struct au_vdir_dehstr {
+ struct hlist_node hash;
+ struct au_vdir_destr *str;
++ struct rcu_head rcu;
+} ____cacheline_aligned_in_smp;
+
+struct au_vdir_de {
@@ -10969,7 +10981,8 @@ diff -urN /usr/share/empty/fs/aufs/dir.h linux/fs/aufs/dir.h
+
+ u64 vd_version;
+ unsigned int vd_deblk_sz;
-+ unsigned long vd_jiffy;
++ unsigned long vd_jiffy;
++ struct rcu_head rcu;
+} ____cacheline_aligned_in_smp;
+
+/* ---------------------------------------------------------------------- */
@@ -11020,7 +11033,7 @@ diff -urN /usr/share/empty/fs/aufs/dir.h linux/fs/aufs/dir.h
+#endif /* __AUFS_DIR_H__ */
diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
--- /usr/share/empty/fs/aufs/dirren.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dirren.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/dirren.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,1316 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -11142,7 +11155,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ hbl = dr->dr_h_ino + i;
+ /* no spinlock since sbinfo must be write-locked */
+ hlist_bl_for_each_entry_safe(ent, pos, tmp, hbl, dr_hnode)
-+ kfree(ent);
++ au_kfree_rcu(ent);
+ INIT_HLIST_BL_HEAD(hbl);
+ }
+}
@@ -11584,7 +11597,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ *ret = *drinfo;
+ ssz = vfsub_read_k(file, (void *)ret->oldname, len, &pos);
+ if (unlikely(ssz != len)) {
-+ kfree(ret);
++ au_kfree_rcu(ret);
+ ret = ERR_PTR(-EIO);
+ AuIOErr("ssz %zd, %u, %pD2\n", ssz, len, file);
+ goto out;
@@ -11780,7 +11793,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+
+static void au_drinfo_store_work_fin(struct au_drinfo_store *w)
+{
-+ kfree(w->fdata);
++ au_kfree_rcu(w->fdata);
+}
+
+static void au_drinfo_store_rev(struct au_drinfo_rev *rev,
@@ -11817,7 +11830,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ elm->info_last->oldname,
+ elm->info_last->oldnamelen);
+ err = au_drinfo_store_sio(w, /*elm*/NULL);
-+ kfree(elm->info_last);
++ au_kfree_rcu(elm->info_last);
+ }
+ if (unlikely(err))
+ AuIOErr("%d, %s\n", err, w->whname);
@@ -11893,7 +11906,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ if (unlikely(err)) {
+ /* revert all drinfo */
+ au_drinfo_store_rev(rev, &work);
-+ kfree(rev);
++ au_kfree_try_rcu(rev);
+ *p = NULL;
+ }
+ au_hn_inode_unlock(hdir);
@@ -11949,7 +11962,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ /* revert */
+ if (!already)
+ au_dr_hino_del(dr, ent);
-+ kfree(ent);
++ au_kfree_rcu(ent);
+
+out:
+ AuTraceErr(err);
@@ -11966,9 +11979,9 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ elm = rev->elm;
+ for (nelm = rev->nelm; nelm > 0; nelm--, elm++) {
+ dput(elm->info_dentry);
-+ kfree(elm->info_last);
++ au_kfree_rcu(elm->info_last);
+ }
-+ kfree(rev);
++ au_kfree_try_rcu(rev);
+}
+
+void au_dr_rename_rev(struct dentry *src, aufs_bindex_t btgt, void *_rev)
@@ -12000,10 +12013,10 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ ent = au_dr_hino_find(dr, h_inode->i_ino);
+ BUG_ON(!ent);
+ au_dr_hino_del(dr, ent);
-+ kfree(ent);
++ au_kfree_rcu(ent);
+
+out:
-+ kfree(rev);
++ au_kfree_try_rcu(rev);
+ if (unlikely(err))
+ pr_err("failed to remove dirren info\n");
+}
@@ -12128,7 +12141,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ oldname.name = drinfo->oldname;
+ if (au_qstreq(w->qname, &oldname)) {
+ /* the name is renamed back */
-+ kfree(drinfo);
++ au_kfree_rcu(drinfo);
+ drinfo = NULL;
+
+ infopath.dentry = info_dentry;
@@ -12143,7 +12156,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ if (unlikely(e == -EWOULDBLOCK))
+ iput(delegated);
+ }
-+ kfree(w->drinfo[bindex]);
++ au_kfree_rcu(w->drinfo[bindex]);
+ w->drinfo[bindex] = drinfo;
+ dput(info_dentry);
+
@@ -12159,8 +12172,8 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ struct au_drinfo **p = drinfo;
+
+ while (n-- > 0)
-+ kfree(*drinfo++);
-+ kfree(p);
++ au_kfree_rcu(*drinfo++);
++ au_kfree_try_rcu(p);
+}
+
+int au_dr_lkup(struct au_do_lookup_args *lkup, struct dentry *dentry,
@@ -12213,7 +12226,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ ent = au_dr_hino_find(&br->br_dirren, h_dir->i_ino);
+ AuDebugOn(!ent);
+ au_dr_hino_del(&br->br_dirren, ent);
-+ kfree(ent);
++ au_kfree_rcu(ent);
+ }
+ goto out; /* success */
+
@@ -12244,7 +12257,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+ if (!drinfo)
+ goto out;
+
-+ kfree(lkup->whname.name);
++ au_kfree_try_rcu(lkup->whname.name);
+ lkup->whname.name = NULL;
+ lkup->dirren.dr_name.len = drinfo->oldnamelen;
+ lkup->dirren.dr_name.name = drinfo->oldname;
@@ -12340,7 +12353,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.c linux/fs/aufs/dirren.c
+}
diff -urN /usr/share/empty/fs/aufs/dirren.h linux/fs/aufs/dirren.h
--- /usr/share/empty/fs/aufs/dirren.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dirren.h 2018-08-12 23:43:05.453457863 +0200
++++ linux/fs/aufs/dirren.h 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,140 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -12484,7 +12497,7 @@ diff -urN /usr/share/empty/fs/aufs/dirren.h linux/fs/aufs/dirren.h
+#endif /* __AUFS_DIRREN_H__ */
diff -urN /usr/share/empty/fs/aufs/dynop.c linux/fs/aufs/dynop.c
--- /usr/share/empty/fs/aufs/dynop.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dynop.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/dynop.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,370 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -12602,7 +12615,7 @@ diff -urN /usr/share/empty/fs/aufs/dynop.c linux/fs/aufs/dynop.c
+
+ key = container_of(rcu, struct au_dykey, dk_rcu);
+ DyPrSym(key);
-+ kfree(key);
++ au_kfree_rcu(key);
+}
+
+static void dy_free(struct kref *kref)
@@ -12730,7 +12743,7 @@ diff -urN /usr/share/empty/fs/aufs/dynop.c linux/fs/aufs/dynop.c
+ p->set(key, op->dy_hop, au_br_sb(br));
+ old = dy_gadd(hbl, key);
+ if (old) {
-+ kfree(key);
++ au_kfree_rcu(key);
+ key = old;
+ }
+
@@ -12858,7 +12871,7 @@ diff -urN /usr/share/empty/fs/aufs/dynop.c linux/fs/aufs/dynop.c
+}
diff -urN /usr/share/empty/fs/aufs/dynop.h linux/fs/aufs/dynop.h
--- /usr/share/empty/fs/aufs/dynop.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/dynop.h 2018-08-12 23:43:05.456791299 +0200
++++ linux/fs/aufs/dynop.h 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -12937,7 +12950,7 @@ diff -urN /usr/share/empty/fs/aufs/dynop.h linux/fs/aufs/dynop.h
+#endif /* __AUFS_DYNOP_H__ */
diff -urN /usr/share/empty/fs/aufs/export.c linux/fs/aufs/export.c
--- /usr/share/empty/fs/aufs/export.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/export.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/export.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,838 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -13779,7 +13792,7 @@ diff -urN /usr/share/empty/fs/aufs/export.c linux/fs/aufs/export.c
+}
diff -urN /usr/share/empty/fs/aufs/fhsm.c linux/fs/aufs/fhsm.c
--- /usr/share/empty/fs/aufs/fhsm.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/fhsm.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/fhsm.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,427 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -14210,7 +14223,7 @@ diff -urN /usr/share/empty/fs/aufs/fhsm.c linux/fs/aufs/fhsm.c
+}
diff -urN /usr/share/empty/fs/aufs/file.c linux/fs/aufs/file.c
--- /usr/share/empty/fs/aufs/file.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/file.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/file.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,863 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -15077,8 +15090,8 @@ diff -urN /usr/share/empty/fs/aufs/file.c linux/fs/aufs/file.c
+};
diff -urN /usr/share/empty/fs/aufs/file.h linux/fs/aufs/file.h
--- /usr/share/empty/fs/aufs/file.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/file.h 2018-08-12 23:43:05.456791299 +0200
-@@ -0,0 +1,341 @@
++++ linux/fs/aufs/file.h 2019-01-28 14:36:12.219084659 +0100
+@@ -0,0 +1,342 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -15147,6 +15160,7 @@ diff -urN /usr/share/empty/fs/aufs/file.h linux/fs/aufs/file.h
+
+ struct hlist_bl_node fi_hlist;
+ struct file *fi_file; /* very ugly */
++ struct rcu_head rcu;
+} ____cacheline_aligned_in_smp;
+
+/* ---------------------------------------------------------------------- */
@@ -15422,7 +15436,7 @@ diff -urN /usr/share/empty/fs/aufs/file.h linux/fs/aufs/file.h
+#endif /* __AUFS_FILE_H__ */
diff -urN /usr/share/empty/fs/aufs/finfo.c linux/fs/aufs/finfo.c
--- /usr/share/empty/fs/aufs/finfo.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/finfo.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/finfo.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,149 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -15575,7 +15589,7 @@ diff -urN /usr/share/empty/fs/aufs/finfo.c linux/fs/aufs/finfo.c
+}
diff -urN /usr/share/empty/fs/aufs/f_op.c linux/fs/aufs/f_op.c
--- /usr/share/empty/fs/aufs/f_op.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/f_op.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/f_op.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,819 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -16398,7 +16412,7 @@ diff -urN /usr/share/empty/fs/aufs/f_op.c linux/fs/aufs/f_op.c
+};
diff -urN /usr/share/empty/fs/aufs/fstype.h linux/fs/aufs/fstype.h
--- /usr/share/empty/fs/aufs/fstype.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/fstype.h 2018-08-12 23:43:05.456791299 +0200
++++ linux/fs/aufs/fstype.h 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,401 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -16803,7 +16817,7 @@ diff -urN /usr/share/empty/fs/aufs/fstype.h linux/fs/aufs/fstype.h
+#endif /* __AUFS_FSTYPE_H__ */
diff -urN /usr/share/empty/fs/aufs/hbl.h linux/fs/aufs/hbl.h
--- /usr/share/empty/fs/aufs/hbl.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/hbl.h 2018-08-12 23:43:05.456791299 +0200
++++ linux/fs/aufs/hbl.h 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,65 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -16872,7 +16886,7 @@ diff -urN /usr/share/empty/fs/aufs/hbl.h linux/fs/aufs/hbl.h
+#endif /* __AUFS_HBL_H__ */
diff -urN /usr/share/empty/fs/aufs/hfsnotify.c linux/fs/aufs/hfsnotify.c
--- /usr/share/empty/fs/aufs/hfsnotify.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/hfsnotify.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/hfsnotify.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,289 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -17032,7 +17046,7 @@ diff -urN /usr/share/empty/fs/aufs/hfsnotify.c linux/fs/aufs/hfsnotify.c
+ struct au_br_hfsnotify *hfsn = group->private;
+
+ /* AuDbg("here\n"); */
-+ kfree(hfsn);
++ au_kfree_try_rcu(hfsn);
+}
+
+static int au_hfsn_handle_event(struct fsnotify_group *group,
@@ -17128,7 +17142,7 @@ diff -urN /usr/share/empty/fs/aufs/hfsnotify.c linux/fs/aufs/hfsnotify.c
+ goto out; /* success */
+
+out_hfsn:
-+ kfree(hfsn);
++ au_kfree_try_rcu(hfsn);
+out:
+ return err;
+}
@@ -17165,7 +17179,7 @@ diff -urN /usr/share/empty/fs/aufs/hfsnotify.c linux/fs/aufs/hfsnotify.c
+};
diff -urN /usr/share/empty/fs/aufs/hfsplus.c linux/fs/aufs/hfsplus.c
--- /usr/share/empty/fs/aufs/hfsplus.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/hfsplus.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/hfsplus.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -17229,7 +17243,7 @@ diff -urN /usr/share/empty/fs/aufs/hfsplus.c linux/fs/aufs/hfsplus.c
+}
diff -urN /usr/share/empty/fs/aufs/hnotify.c linux/fs/aufs/hnotify.c
--- /usr/share/empty/fs/aufs/hnotify.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/hnotify.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/hnotify.c 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,720 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -17774,7 +17788,7 @@ diff -urN /usr/share/empty/fs/aufs/hnotify.c linux/fs/aufs/hnotify.c
+ iput(a->dir);
+ si_write_unlock(sb);
+ au_nwt_done(&sbinfo->si_nowait);
-+ kfree(a);
++ au_kfree_rcu(a);
+}
+
+/* ---------------------------------------------------------------------- */
@@ -17880,7 +17894,7 @@ diff -urN /usr/share/empty/fs/aufs/hnotify.c linux/fs/aufs/hnotify.c
+ iput(args->h_child_inode);
+ iput(args->h_dir);
+ iput(args->dir);
-+ kfree(args);
++ au_kfree_rcu(args);
+ }
+
+out:
@@ -17953,7 +17967,7 @@ diff -urN /usr/share/empty/fs/aufs/hnotify.c linux/fs/aufs/hnotify.c
+}
diff -urN /usr/share/empty/fs/aufs/iinfo.c linux/fs/aufs/iinfo.c
--- /usr/share/empty/fs/aufs/iinfo.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/iinfo.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/iinfo.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,286 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -18238,12 +18252,12 @@ diff -urN /usr/share/empty/fs/aufs/iinfo.c linux/fs/aufs/iinfo.c
+ hi++;
+ }
+ }
-+ kfree(iinfo->ii_hinode);
++ au_kfree_rcu(iinfo->ii_hinode);
+ AuRwDestroy(&iinfo->ii_rwsem);
+}
diff -urN /usr/share/empty/fs/aufs/inode.c linux/fs/aufs/inode.c
--- /usr/share/empty/fs/aufs/inode.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/inode.c 2018-08-12 23:43:05.460124736 +0200
++++ linux/fs/aufs/inode.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,528 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -18775,8 +18789,8 @@ diff -urN /usr/share/empty/fs/aufs/inode.c linux/fs/aufs/inode.c
+}
diff -urN /usr/share/empty/fs/aufs/inode.h linux/fs/aufs/inode.h
--- /usr/share/empty/fs/aufs/inode.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/inode.h 2018-08-12 23:43:05.460124736 +0200
-@@ -0,0 +1,696 @@
++++ linux/fs/aufs/inode.h 2019-01-28 14:36:12.222418047 +0100
+@@ -0,0 +1,698 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -18816,6 +18830,7 @@ diff -urN /usr/share/empty/fs/aufs/inode.h linux/fs/aufs/inode.h
+ struct fsnotify_mark hn_mark;
+#endif
+ struct inode *hn_aufs_inode; /* no get/put */
++ struct rcu_head rcu;
+#endif
+} ____cacheline_aligned_in_smp;
+
@@ -18856,9 +18871,10 @@ diff -urN /usr/share/empty/fs/aufs/inode.h linux/fs/aufs/inode.h
+};
+
+struct au_icntnr {
-+ struct au_iinfo iinfo;
-+ struct inode vfs_inode;
-+ struct hlist_bl_node plink;
++ struct au_iinfo iinfo;
++ struct inode vfs_inode;
++ struct hlist_bl_node plink;
++ struct rcu_head rcu;
+} ____cacheline_aligned_in_smp;
+
+/* au_pin flags */
@@ -19475,7 +19491,7 @@ diff -urN /usr/share/empty/fs/aufs/inode.h linux/fs/aufs/inode.h
+#endif /* __AUFS_INODE_H__ */
diff -urN /usr/share/empty/fs/aufs/ioctl.c linux/fs/aufs/ioctl.c
--- /usr/share/empty/fs/aufs/ioctl.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/ioctl.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/ioctl.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,220 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -19699,7 +19715,7 @@ diff -urN /usr/share/empty/fs/aufs/ioctl.c linux/fs/aufs/ioctl.c
+#endif
diff -urN /usr/share/empty/fs/aufs/i_op_add.c linux/fs/aufs/i_op_add.c
--- /usr/share/empty/fs/aufs/i_op_add.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/i_op_add.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/i_op_add.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,935 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -20063,7 +20079,7 @@ diff -urN /usr/share/empty/fs/aufs/i_op_add.c linux/fs/aufs/i_op_add.c
+ if (!try_aopen)
+ aufs_read_unlock(dentry, AuLock_DW);
+out_free:
-+ kfree(a);
++ au_kfree_rcu(a);
+out:
+ return err;
+}
@@ -20523,7 +20539,7 @@ diff -urN /usr/share/empty/fs/aufs/i_op_add.c linux/fs/aufs/i_op_add.c
+ }
+ aufs_read_and_write_unlock2(dentry, src_dentry);
+out_kfree:
-+ kfree(a);
++ au_kfree_rcu(a);
+out:
+ AuTraceErr(err);
+ return err;
@@ -20632,13 +20648,13 @@ diff -urN /usr/share/empty/fs/aufs/i_op_add.c linux/fs/aufs/i_op_add.c
+ }
+ aufs_read_unlock(dentry, AuLock_DW);
+out_free:
-+ kfree(a);
++ au_kfree_rcu(a);
+out:
+ return err;
+}
diff -urN /usr/share/empty/fs/aufs/i_op.c linux/fs/aufs/i_op.c
--- /usr/share/empty/fs/aufs/i_op.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/i_op.c 2018-10-23 12:33:35.596042364 +0200
++++ linux/fs/aufs/i_op.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,1506 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -21698,7 +21714,7 @@ diff -urN /usr/share/empty/fs/aufs/i_op.c linux/fs/aufs/i_op.c
+out_si:
+ si_read_unlock(sb);
+out_kfree:
-+ kfree(a);
++ au_kfree_rcu(a);
+out:
+ AuTraceErr(err);
+ return err;
@@ -21789,7 +21805,7 @@ diff -urN /usr/share/empty/fs/aufs/i_op.c linux/fs/aufs/i_op.c
+ di_write_unlock(dentry);
+ si_read_unlock(sb);
+out_kfree:
-+ kfree(a);
++ au_kfree_rcu(a);
+out:
+ AuTraceErr(err);
+ return err;
@@ -22148,7 +22164,7 @@ diff -urN /usr/share/empty/fs/aufs/i_op.c linux/fs/aufs/i_op.c
+};
diff -urN /usr/share/empty/fs/aufs/i_op_del.c linux/fs/aufs/i_op_del.c
--- /usr/share/empty/fs/aufs/i_op_del.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/i_op_del.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/i_op_del.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,512 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -22547,7 +22563,7 @@ diff -urN /usr/share/empty/fs/aufs/i_op_del.c linux/fs/aufs/i_op_del.c
+out_unlock:
+ aufs_read_unlock(dentry, AuLock_DW);
+out_free:
-+ kfree(a);
++ au_kfree_rcu(a);
+out:
+ return err;
+}
@@ -22657,14 +22673,14 @@ diff -urN /usr/share/empty/fs/aufs/i_op_del.c linux/fs/aufs/i_op_del.c
+out_unlock:
+ aufs_read_unlock(dentry, AuLock_DW);
+out_free:
-+ kfree(a);
++ au_kfree_rcu(a);
+out:
+ AuTraceErr(err);
+ return err;
+}
diff -urN /usr/share/empty/fs/aufs/i_op_ren.c linux/fs/aufs/i_op_ren.c
--- /usr/share/empty/fs/aufs/i_op_ren.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/i_op_ren.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/i_op_ren.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,1249 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -23910,14 +23926,14 @@ diff -urN /usr/share/empty/fs/aufs/i_op_ren.c linux/fs/aufs/i_op_ren.c
+ iput(a->dst_inode);
+ if (a->thargs)
+ au_whtmp_rmdir_free(a->thargs);
-+ kfree(a);
++ au_kfree_rcu(a);
+out:
+ AuTraceErr(err);
+ return err;
+}
diff -urN /usr/share/empty/fs/aufs/Kconfig linux/fs/aufs/Kconfig
--- /usr/share/empty/fs/aufs/Kconfig 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/Kconfig 2018-06-04 09:08:09.181412645 +0200
++++ linux/fs/aufs/Kconfig 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,199 @@
+# SPDX-License-Identifier: GPL-2.0
+config AUFS_FS
@@ -24120,7 +24136,7 @@ diff -urN /usr/share/empty/fs/aufs/Kconfig linux/fs/aufs/Kconfig
+endif
diff -urN /usr/share/empty/fs/aufs/lcnt.h linux/fs/aufs/lcnt.h
--- /usr/share/empty/fs/aufs/lcnt.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/lcnt.h 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/lcnt.h 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,186 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -24310,7 +24326,7 @@ diff -urN /usr/share/empty/fs/aufs/lcnt.h linux/fs/aufs/lcnt.h
+#endif /* __AUFS_LCNT_H__ */
diff -urN /usr/share/empty/fs/aufs/loop.c linux/fs/aufs/loop.c
--- /usr/share/empty/fs/aufs/loop.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/loop.c 2018-08-12 23:43:05.460124736 +0200
++++ linux/fs/aufs/loop.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -24458,11 +24474,11 @@ diff -urN /usr/share/empty/fs/aufs/loop.c linux/fs/aufs/loop.c
+{
+ if (backing_file_func)
+ symbol_put(loop_backing_file);
-+ kfree(au_warn_loopback_array);
++ au_kfree_try_rcu(au_warn_loopback_array);
+}
diff -urN /usr/share/empty/fs/aufs/loop.h linux/fs/aufs/loop.h
--- /usr/share/empty/fs/aufs/loop.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/loop.h 2018-08-12 23:43:05.460124736 +0200
++++ linux/fs/aufs/loop.h 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -24519,7 +24535,7 @@ diff -urN /usr/share/empty/fs/aufs/loop.h linux/fs/aufs/loop.h
+#endif /* __AUFS_LOOP_H__ */
diff -urN /usr/share/empty/fs/aufs/magic.mk linux/fs/aufs/magic.mk
--- /usr/share/empty/fs/aufs/magic.mk 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/magic.mk 2018-06-04 09:08:09.188079511 +0200
++++ linux/fs/aufs/magic.mk 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: GPL-2.0
+
@@ -24554,7 +24570,7 @@ diff -urN /usr/share/empty/fs/aufs/magic.mk linux/fs/aufs/magic.mk
+endif
diff -urN /usr/share/empty/fs/aufs/Makefile linux/fs/aufs/Makefile
--- /usr/share/empty/fs/aufs/Makefile 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/Makefile 2018-06-04 09:08:09.181412645 +0200
++++ linux/fs/aufs/Makefile 2019-01-28 14:36:12.219084659 +0100
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: GPL-2.0
+
@@ -24604,7 +24620,7 @@ diff -urN /usr/share/empty/fs/aufs/Makefile linux/fs/aufs/Makefile
+aufs-$(CONFIG_AUFS_MAGIC_SYSRQ) += sysrq.o
diff -urN /usr/share/empty/fs/aufs/module.c linux/fs/aufs/module.c
--- /usr/share/empty/fs/aufs/module.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/module.c 2018-08-12 23:43:05.460124736 +0200
++++ linux/fs/aufs/module.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,273 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -24643,7 +24659,7 @@ diff -urN /usr/share/empty/fs/aufs/module.c linux/fs/aufs/module.c
+ if (p) {
+#if 0 /* unused */
+ if (!new_sz) {
-+ kfree(p);
++ au_kfree_rcu(p);
+ p = NULL;
+ goto out;
+ }
@@ -24667,7 +24683,7 @@ diff -urN /usr/share/empty/fs/aufs/module.c linux/fs/aufs/module.c
+ if (q) {
+ if (p) {
+ memcpy(q, p, new_sz);
-+ kfree(p);
++ au_kfree_try_rcu(p);
+ }
+ p = q;
+ } else
@@ -24881,8 +24897,8 @@ diff -urN /usr/share/empty/fs/aufs/module.c linux/fs/aufs/module.c
+module_exit(aufs_exit);
diff -urN /usr/share/empty/fs/aufs/module.h linux/fs/aufs/module.h
--- /usr/share/empty/fs/aufs/module.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/module.h 2018-08-12 23:43:05.460124736 +0200
-@@ -0,0 +1,102 @@
++++ linux/fs/aufs/module.h 2019-01-28 14:36:12.222418047 +0100
+@@ -0,0 +1,166 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -24911,6 +24927,11 @@ diff -urN /usr/share/empty/fs/aufs/module.h linux/fs/aufs/module.h
+#ifdef __KERNEL__
+
+#include <linux/slab.h>
++#include "debug.h"
++#include "dentry.h"
++#include "dir.h"
++#include "file.h"
++#include "inode.h"
+
+struct path;
+struct seq_file;
@@ -24927,6 +24948,53 @@ diff -urN /usr/share/empty/fs/aufs/module.h linux/fs/aufs/module.h
+void *au_kzrealloc(void *p, unsigned int nused, unsigned int new_sz, gfp_t gfp,
+ int may_shrink);
+
++/*
++ * Comparing the size of the object with sizeof(struct rcu_head)
++ * case 1: object is always larger
++ * --> au_kfree_rcu() or au_kfree_do_rcu()
++ * case 2: object is always smaller
++ * --> au_kfree_small()
++ * case 3: object can be any size
++ * --> au_kfree_try_rcu()
++ */
++
++static inline void au_kfree_do_rcu(const void *p)
++{
++ struct {
++ struct rcu_head rcu;
++ } *a = (void *)p;
++
++ kfree_rcu(a, rcu);
++}
++
++#define au_kfree_rcu(_p) do { \
++ typeof(_p) p = (_p); \
++ BUILD_BUG_ON(sizeof(*p) < sizeof(struct rcu_head)); \
++ if (p) \
++ au_kfree_do_rcu(p); \
++ } while (0)
++
++#define au_kfree_do_sz_test(sz) (sz >= sizeof(struct rcu_head))
++#define au_kfree_sz_test(p) (p && au_kfree_do_sz_test(ksize(p)))
++
++static inline void au_kfree_try_rcu(const void *p)
++{
++ if (!p)
++ return;
++ if (au_kfree_sz_test(p))
++ au_kfree_do_rcu(p);
++ else
++ kfree(p);
++}
++
++static inline void au_kfree_small(const void *p)
++{
++ if (!p)
++ return;
++ AuDebugOn(au_kfree_sz_test(p));
++ kfree(p);
++}
++
+static inline int au_kmidx_sub(size_t sz, size_t new_sz)
+{
+#ifndef CONFIG_SLOB
@@ -24968,11 +25036,23 @@ diff -urN /usr/share/empty/fs/aufs/module.h linux/fs/aufs/module.h
+ kmem_cache_create(#type, sizeof(struct type), \
+ __alignof__(struct type), AuCacheFlags, ctor)
+
-+#define AuCacheFuncs(name, index) \
-+static inline struct au_##name *au_cache_alloc_##name(void) \
-+{ return kmem_cache_alloc(au_cache[AuCache_##index], GFP_NOFS); } \
-+static inline void au_cache_free_##name(struct au_##name *p) \
-+{ kmem_cache_free(au_cache[AuCache_##index], p); }
++#define AuCacheFuncs(name, index) \
++ static inline struct au_##name *au_cache_alloc_##name(void) \
++ { return kmem_cache_alloc(au_cache[AuCache_##index], GFP_NOFS); } \
++ static inline void au_cache_free_##name##_norcu(struct au_##name *p) \
++ { kmem_cache_free(au_cache[AuCache_##index], p); } \
++ \
++ static inline void au_cache_free_##name##_rcu_cb(struct rcu_head *rcu) \
++ { void *p = rcu; \
++ p -= offsetof(struct au_##name, rcu); \
++ kmem_cache_free(au_cache[AuCache_##index], p); } \
++ static inline void au_cache_free_##name##_rcu(struct au_##name *p) \
++ { BUILD_BUG_ON(sizeof(struct au_##name) < sizeof(struct rcu_head)); \
++ call_rcu(&p->rcu, au_cache_free_##name##_rcu_cb); } \
++ \
++ static inline void au_cache_free_##name(struct au_##name *p) \
++ { /* au_cache_free_##name##_norcu(p); */ \
++ au_cache_free_##name##_rcu(p); }
+
+AuCacheFuncs(dinfo, DINFO);
+AuCacheFuncs(icntnr, ICNTNR);
@@ -24987,7 +25067,7 @@ diff -urN /usr/share/empty/fs/aufs/module.h linux/fs/aufs/module.h
+#endif /* __AUFS_MODULE_H__ */
diff -urN /usr/share/empty/fs/aufs/mvdown.c linux/fs/aufs/mvdown.c
--- /usr/share/empty/fs/aufs/mvdown.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/mvdown.c 2018-08-12 23:43:05.460124736 +0200
++++ linux/fs/aufs/mvdown.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,705 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -25689,14 +25769,14 @@ diff -urN /usr/share/empty/fs/aufs/mvdown.c linux/fs/aufs/mvdown.c
+ e = copy_to_user(uarg, &args->mvdown, sizeof(args->mvdown));
+ if (unlikely(e))
+ err = -EFAULT;
-+ kfree(args);
++ au_kfree_rcu(args);
+out:
+ AuTraceErr(err);
+ return err;
+}
diff -urN /usr/share/empty/fs/aufs/opts.c linux/fs/aufs/opts.c
--- /usr/share/empty/fs/aufs/opts.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/opts.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/opts.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,1877 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -26960,7 +27040,7 @@ diff -urN /usr/share/empty/fs/aufs/opts.c linux/fs/aufs/opts.c
+ }
+ }
+
-+ kfree(a);
++ au_kfree_rcu(a);
+ dump_opts(opts);
+ if (unlikely(err))
+ au_opts_free(opts);
@@ -27390,7 +27470,7 @@ diff -urN /usr/share/empty/fs/aufs/opts.c linux/fs/aufs/opts.c
+ au_hn_inode_unlock(hdir);
+
+ if (!err && do_free) {
-+ kfree(wbr);
++ au_kfree_rcu(wbr);
+ br->br_wbr = NULL;
+ }
+ }
@@ -27577,7 +27657,7 @@ diff -urN /usr/share/empty/fs/aufs/opts.c linux/fs/aufs/opts.c
+}
diff -urN /usr/share/empty/fs/aufs/opts.h linux/fs/aufs/opts.h
--- /usr/share/empty/fs/aufs/opts.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/opts.h 2018-08-12 23:43:05.460124736 +0200
++++ linux/fs/aufs/opts.h 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,225 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -27806,7 +27886,7 @@ diff -urN /usr/share/empty/fs/aufs/opts.h linux/fs/aufs/opts.h
+#endif /* __AUFS_OPTS_H__ */
diff -urN /usr/share/empty/fs/aufs/plink.c linux/fs/aufs/plink.c
--- /usr/share/empty/fs/aufs/plink.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/plink.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/plink.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,516 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -28326,7 +28406,7 @@ diff -urN /usr/share/empty/fs/aufs/plink.c linux/fs/aufs/plink.c
+}
diff -urN /usr/share/empty/fs/aufs/poll.c linux/fs/aufs/poll.c
--- /usr/share/empty/fs/aufs/poll.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/poll.c 2018-08-12 23:43:05.460124736 +0200
++++ linux/fs/aufs/poll.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -28381,7 +28461,7 @@ diff -urN /usr/share/empty/fs/aufs/poll.c linux/fs/aufs/poll.c
+}
diff -urN /usr/share/empty/fs/aufs/posix_acl.c linux/fs/aufs/posix_acl.c
--- /usr/share/empty/fs/aufs/posix_acl.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/posix_acl.c 2018-08-12 23:43:05.460124736 +0200
++++ linux/fs/aufs/posix_acl.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -28488,7 +28568,7 @@ diff -urN /usr/share/empty/fs/aufs/posix_acl.c linux/fs/aufs/posix_acl.c
+}
diff -urN /usr/share/empty/fs/aufs/procfs.c linux/fs/aufs/procfs.c
--- /usr/share/empty/fs/aufs/procfs.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/procfs.c 2018-08-12 23:43:05.460124736 +0200
++++ linux/fs/aufs/procfs.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,171 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -28663,7 +28743,7 @@ diff -urN /usr/share/empty/fs/aufs/procfs.c linux/fs/aufs/procfs.c
+}
diff -urN /usr/share/empty/fs/aufs/rdu.c linux/fs/aufs/rdu.c
--- /usr/share/empty/fs/aufs/rdu.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/rdu.c 2018-08-12 23:43:05.463458173 +0200
++++ linux/fs/aufs/rdu.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,382 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -29049,7 +29129,7 @@ diff -urN /usr/share/empty/fs/aufs/rdu.c linux/fs/aufs/rdu.c
+#endif
diff -urN /usr/share/empty/fs/aufs/rwsem.h linux/fs/aufs/rwsem.h
--- /usr/share/empty/fs/aufs/rwsem.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/rwsem.h 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/rwsem.h 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -29126,7 +29206,7 @@ diff -urN /usr/share/empty/fs/aufs/rwsem.h linux/fs/aufs/rwsem.h
+#endif /* __AUFS_RWSEM_H__ */
diff -urN /usr/share/empty/fs/aufs/sbinfo.c linux/fs/aufs/sbinfo.c
--- /usr/share/empty/fs/aufs/sbinfo.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sbinfo.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/sbinfo.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,313 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -29176,13 +29256,13 @@ diff -urN /usr/share/empty/fs/aufs/sbinfo.c linux/fs/aufs/sbinfo.c
+ au_br_free(sbinfo);
+ au_rw_write_unlock(&sbinfo->si_rwsem);
+
-+ kfree(sbinfo->si_branch);
++ au_kfree_try_rcu(sbinfo->si_branch);
+ mutex_destroy(&sbinfo->si_xib_mtx);
+ AuRwDestroy(&sbinfo->si_rwsem);
+
+ au_lcnt_wait_for_fin(&sbinfo->si_ninodes);
+ /* si_nfiles is waited too */
-+ kfree(sbinfo);
++ au_kfree_rcu(sbinfo);
+}
+
+int au_si_alloc(struct super_block *sb)
@@ -29258,9 +29338,9 @@ diff -urN /usr/share/empty/fs/aufs/sbinfo.c linux/fs/aufs/sbinfo.c
+ return 0; /* success */
+
+out_br:
-+ kfree(sbinfo->si_branch);
++ au_kfree_try_rcu(sbinfo->si_branch);
+out_sbinfo:
-+ kfree(sbinfo);
++ au_kfree_rcu(sbinfo);
+out:
+ return err;
+}
@@ -29443,7 +29523,7 @@ diff -urN /usr/share/empty/fs/aufs/sbinfo.c linux/fs/aufs/sbinfo.c
+}
diff -urN /usr/share/empty/fs/aufs/super.c linux/fs/aufs/super.c
--- /usr/share/empty/fs/aufs/super.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/super.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/super.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,1048 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -30495,7 +30575,7 @@ diff -urN /usr/share/empty/fs/aufs/super.c linux/fs/aufs/super.c
+};
diff -urN /usr/share/empty/fs/aufs/super.h linux/fs/aufs/super.h
--- /usr/share/empty/fs/aufs/super.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/super.h 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/super.h 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,589 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -31088,7 +31168,7 @@ diff -urN /usr/share/empty/fs/aufs/super.h linux/fs/aufs/super.h
+#endif /* __AUFS_SUPER_H__ */
diff -urN /usr/share/empty/fs/aufs/sysaufs.c linux/fs/aufs/sysaufs.c
--- /usr/share/empty/fs/aufs/sysaufs.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sysaufs.c 2018-08-12 23:43:05.463458173 +0200
++++ linux/fs/aufs/sysaufs.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -31185,7 +31265,7 @@ diff -urN /usr/share/empty/fs/aufs/sysaufs.c linux/fs/aufs/sysaufs.c
+}
diff -urN /usr/share/empty/fs/aufs/sysaufs.h linux/fs/aufs/sysaufs.h
--- /usr/share/empty/fs/aufs/sysaufs.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sysaufs.h 2018-08-12 23:43:05.463458173 +0200
++++ linux/fs/aufs/sysaufs.h 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -31291,7 +31371,7 @@ diff -urN /usr/share/empty/fs/aufs/sysaufs.h linux/fs/aufs/sysaufs.h
+#endif /* __SYSAUFS_H__ */
diff -urN /usr/share/empty/fs/aufs/sysfs.c linux/fs/aufs/sysfs.c
--- /usr/share/empty/fs/aufs/sysfs.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sysfs.c 2018-08-12 23:43:05.463458173 +0200
++++ linux/fs/aufs/sysfs.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,373 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -31505,7 +31585,7 @@ diff -urN /usr/share/empty/fs/aufs/sysfs.c linux/fs/aufs/sysfs.c
+ if (unlikely(err == PAGE_SIZE))
+ err = -EFBIG;
+ }
-+ kfree(seq);
++ au_kfree_rcu(seq);
+out_unlock:
+ si_read_unlock(sb);
+out:
@@ -31576,7 +31656,7 @@ diff -urN /usr/share/empty/fs/aufs/sysfs.c linux/fs/aufs/sysfs.c
+ err = -EFAULT;
+
+out_seq:
-+ kfree(seq);
++ au_kfree_rcu(seq);
+out_buf:
+ free_page((unsigned long)buf);
+out:
@@ -31668,7 +31748,7 @@ diff -urN /usr/share/empty/fs/aufs/sysfs.c linux/fs/aufs/sysfs.c
+}
diff -urN /usr/share/empty/fs/aufs/sysrq.c linux/fs/aufs/sysrq.c
--- /usr/share/empty/fs/aufs/sysrq.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/sysrq.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/sysrq.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,160 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -31832,7 +31912,7 @@ diff -urN /usr/share/empty/fs/aufs/sysrq.c linux/fs/aufs/sysrq.c
+}
diff -urN /usr/share/empty/fs/aufs/vdir.c linux/fs/aufs/vdir.c
--- /usr/share/empty/fs/aufs/vdir.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/vdir.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/vdir.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,895 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -31947,7 +32027,7 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c linux/fs/aufs/vdir.c
+ struct hlist_node *node;
+
+ hlist_for_each_entry_safe(pos, node, head, wh_hash)
-+ kfree(pos);
++ au_kfree_rcu(pos);
+}
+
+static void au_nhash_de_do_free(struct hlist_head *head)
@@ -31974,7 +32054,7 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c linux/fs/aufs/vdir.c
+ nhash_count(head);
+ free(head++);
+ }
-+ kfree(nhash->nh_head);
++ au_kfree_try_rcu(nhash->nh_head);
+}
+
+void au_nhash_wh_free(struct au_nhash *whlist)
@@ -32193,8 +32273,8 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c linux/fs/aufs/vdir.c
+
+ deblk = vdir->vd_deblk;
+ while (vdir->vd_nblk--)
-+ kfree(*deblk++);
-+ kfree(vdir->vd_deblk);
++ au_kfree_try_rcu(*deblk++);
++ au_kfree_try_rcu(vdir->vd_deblk);
+ au_cache_free_vdir(vdir);
+}
+
@@ -32229,7 +32309,7 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c linux/fs/aufs/vdir.c
+ if (!err)
+ return vdir; /* success */
+
-+ kfree(vdir->vd_deblk);
++ au_kfree_try_rcu(vdir->vd_deblk);
+
+out_free:
+ au_cache_free_vdir(vdir);
@@ -32244,7 +32324,7 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c linux/fs/aufs/vdir.c
+ union au_vdir_deblk_p p, deblk_end;
+
+ while (vdir->vd_nblk > 1) {
-+ kfree(vdir->vd_deblk[vdir->vd_nblk - 1]);
++ au_kfree_try_rcu(vdir->vd_deblk[vdir->vd_nblk - 1]);
+ /* vdir->vd_deblk[vdir->vd_nblk - 1] = NULL; */
+ vdir->vd_nblk--;
+ }
@@ -32731,7 +32811,7 @@ diff -urN /usr/share/empty/fs/aufs/vdir.c linux/fs/aufs/vdir.c
+}
diff -urN /usr/share/empty/fs/aufs/vfsub.c linux/fs/aufs/vfsub.c
--- /usr/share/empty/fs/aufs/vfsub.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/vfsub.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/vfsub.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,902 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -33637,7 +33717,7 @@ diff -urN /usr/share/empty/fs/aufs/vfsub.c linux/fs/aufs/vfsub.c
+}
diff -urN /usr/share/empty/fs/aufs/vfsub.h linux/fs/aufs/vfsub.h
--- /usr/share/empty/fs/aufs/vfsub.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/vfsub.h 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/vfsub.h 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,355 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -33996,7 +34076,7 @@ diff -urN /usr/share/empty/fs/aufs/vfsub.h linux/fs/aufs/vfsub.h
+#endif /* __AUFS_VFSUB_H__ */
diff -urN /usr/share/empty/fs/aufs/wbr_policy.c linux/fs/aufs/wbr_policy.c
--- /usr/share/empty/fs/aufs/wbr_policy.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/wbr_policy.c 2018-08-12 23:43:05.463458173 +0200
++++ linux/fs/aufs/wbr_policy.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,830 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -34461,7 +34541,7 @@ diff -urN /usr/share/empty/fs/aufs/wbr_policy.c linux/fs/aufs/wbr_policy.c
+
+ mfs->mfsrr_bytes = bavail;
+ AuDbg("b%d\n", mfs->mfs_bindex);
-+ kfree(st);
++ au_kfree_rcu(st);
+}
+
+static int au_wbr_create_mfs(struct dentry *dentry, unsigned int flags)
@@ -34830,7 +34910,7 @@ diff -urN /usr/share/empty/fs/aufs/wbr_policy.c linux/fs/aufs/wbr_policy.c
+};
diff -urN /usr/share/empty/fs/aufs/whout.c linux/fs/aufs/whout.c
--- /usr/share/empty/fs/aufs/whout.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/whout.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/whout.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,1062 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -34997,7 +35077,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.c linux/fs/aufs/whout.c
+
+out_name:
+ if (name != defname)
-+ kfree(name);
++ au_kfree_try_rcu(name);
+out:
+ AuTraceErrPtr(dentry);
+ return dentry;
@@ -35437,7 +35517,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.c linux/fs/aufs/whout.c
+ au_lcnt_dec(&a->br->br_count);
+ si_write_unlock(a->sb);
+ au_nwt_done(&au_sbi(a->sb)->si_nowait);
-+ kfree(arg);
++ au_kfree_rcu(a);
+ if (unlikely(err))
+ AuIOErr("err %d\n", err);
+}
@@ -35465,7 +35545,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.c linux/fs/aufs/whout.c
+ if (unlikely(wkq_err)) {
+ atomic_dec(&br->br_wbr->wbr_wh_running);
+ au_lcnt_dec(&br->br_count);
-+ kfree(arg);
++ au_kfree_rcu(arg);
+ }
+ do_dec = 0;
+ }
@@ -35624,7 +35704,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.c linux/fs/aufs/whout.c
+ wh_dentry = ERR_PTR(err);
+ if (!err) {
+ wh_dentry = vfsub_lkup_one(&wh_name, h_parent);
-+ kfree(wh_name.name);
++ au_kfree_try_rcu(wh_name.name);
+ }
+ return wh_dentry;
+}
@@ -35742,7 +35822,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.c linux/fs/aufs/whout.c
+ rdhash = AUFS_RDHASH_DEF;
+ err = au_nhash_alloc(&whtmp->whlist, rdhash, gfp);
+ if (unlikely(err)) {
-+ kfree(whtmp);
++ au_kfree_rcu(whtmp);
+ whtmp = ERR_PTR(err);
+ }
+
@@ -35757,7 +35837,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.c linux/fs/aufs/whout.c
+ dput(whtmp->wh_dentry);
+ iput(whtmp->dir);
+ au_nhash_wh_free(&whtmp->whlist);
-+ kfree(whtmp);
++ au_kfree_rcu(whtmp);
+}
+
+/*
@@ -35896,7 +35976,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.c linux/fs/aufs/whout.c
+}
diff -urN /usr/share/empty/fs/aufs/whout.h linux/fs/aufs/whout.h
--- /usr/share/empty/fs/aufs/whout.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/whout.h 2018-08-12 23:43:05.463458173 +0200
++++ linux/fs/aufs/whout.h 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -35986,7 +36066,7 @@ diff -urN /usr/share/empty/fs/aufs/whout.h linux/fs/aufs/whout.h
+#endif /* __AUFS_WHOUT_H__ */
diff -urN /usr/share/empty/fs/aufs/wkq.c linux/fs/aufs/wkq.c
--- /usr/share/empty/fs/aufs/wkq.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/wkq.c 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/wkq.c 2019-01-28 14:36:12.222418047 +0100
@@ -0,0 +1,392 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -36162,7 +36242,7 @@ diff -urN /usr/share/empty/fs/aufs/wkq.c linux/fs/aufs/wkq.c
+
+static void au_wkq_lockdep_free(struct au_wkinfo *wkinfo)
+{
-+ kfree(wkinfo->hlock);
++ au_kfree_try_rcu(wkinfo->hlock);
+}
+
+static void au_wkq_lockdep_pre(struct au_wkinfo *wkinfo)
@@ -36214,7 +36294,7 @@ diff -urN /usr/share/empty/fs/aufs/wkq.c linux/fs/aufs/wkq.c
+ else {
+ kobject_put(wkinfo->kobj);
+ module_put(THIS_MODULE); /* todo: ?? */
-+ kfree(wkinfo);
++ au_kfree_rcu(wkinfo);
+ }
+}
+
@@ -36237,7 +36317,7 @@ diff -urN /usr/share/empty/fs/aufs/wkq.c linux/fs/aufs/wkq.c
+
+static void au_wkq_comp_free(struct completion *comp)
+{
-+ kfree(comp);
++ au_kfree_rcu(comp);
+}
+
+#else
@@ -36382,7 +36462,7 @@ diff -urN /usr/share/empty/fs/aufs/wkq.c linux/fs/aufs/wkq.c
+}
diff -urN /usr/share/empty/fs/aufs/wkq.h linux/fs/aufs/wkq.h
--- /usr/share/empty/fs/aufs/wkq.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/wkq.h 2018-10-23 12:33:35.599375796 +0200
++++ linux/fs/aufs/wkq.h 2019-01-28 14:36:12.225751436 +0100
@@ -0,0 +1,89 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -36475,7 +36555,7 @@ diff -urN /usr/share/empty/fs/aufs/wkq.h linux/fs/aufs/wkq.h
+#endif /* __AUFS_WKQ_H__ */
diff -urN /usr/share/empty/fs/aufs/xattr.c linux/fs/aufs/xattr.c
--- /usr/share/empty/fs/aufs/xattr.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/xattr.c 2018-08-12 23:43:05.466791610 +0200
++++ linux/fs/aufs/xattr.c 2019-01-28 14:36:12.225751436 +0100
@@ -0,0 +1,356 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
@@ -36658,10 +36738,10 @@ diff -urN /usr/share/empty/fs/aufs/xattr.c linux/fs/aufs/xattr.c
+ AuTraceErr(err);
+ }
+
-+ kfree(value);
++ au_kfree_try_rcu(value);
+
+out_free:
-+ kfree(o);
++ au_kfree_try_rcu(o);
+out:
+ if (!unlocked)
+ inode_unlock_shared(h_isrc);
@@ -36835,8 +36915,8 @@ diff -urN /usr/share/empty/fs/aufs/xattr.c linux/fs/aufs/xattr.c
+}
diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
--- /usr/share/empty/fs/aufs/xino.c 1970-01-01 01:00:00.000000000 +0100
-+++ linux/fs/aufs/xino.c 2018-10-23 12:33:35.599375796 +0200
-@@ -0,0 +1,1890 @@
++++ linux/fs/aufs/xino.c 2019-01-28 14:36:12.225751436 +0100
+@@ -0,0 +1,1956 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2005-2018 Junjiro R. Okajima
@@ -37311,7 +37391,7 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ au_sbi(sb)->si_xino_jiffy = jiffy;
+
+out_st:
-+ kfree(st);
++ au_kfree_rcu(st);
+out:
+ return err;
+}
@@ -37348,7 +37428,7 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ au_lcnt_dec(&br->br_count);
+ si_write_unlock(sb);
+ au_nwt_done(&au_sbi(sb)->si_nowait);
-+ kfree(args);
++ au_kfree_rcu(args);
+}
+
+/*
@@ -37420,7 +37500,7 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+
+ pr_err("wkq %d\n", wkq_err);
+ au_lcnt_dec(&br->br_count);
-+ kfree(args);
++ au_kfree_rcu(args);
+
+out:
+ atomic_dec(&br->br_xino->xi_truncating);
@@ -37486,6 +37566,11 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ ino_t ino;
+};
+
++struct au_xi_writing {
++ struct hlist_bl_node node;
++ ino_t h_ino, ino;
++};
++
+static int au_xino_do_write(vfs_writef_t write, struct file *file,
+ struct au_xi_calc *calc, ino_t ino);
+
@@ -37497,6 +37582,9 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ struct au_sbinfo *sbi;
+ struct inode *root;
+ struct file *file;
++ struct au_xi_writing *del, *p;
++ struct hlist_bl_head *hbl;
++ struct hlist_bl_node *pos;
+ int err;
+
+ br = a->br;
@@ -37506,20 +37594,39 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ root = d_inode(sb->s_root);
+ ii_read_lock_child(root);
+ err = au_xino_do_new_async(sb, br, &a->calc);
-+ if (!err) {
-+ file = au_xino_file(br->br_xino, a->calc.idx);
-+ if (file)
-+ err = au_xino_do_write(sbi->si_xwrite, file, &a->calc,
-+ a->ino);
-+ if (unlikely(err))
-+ AuIOErr("err %d\n", err);
-+ } else
++ if (unlikely(err)) {
+ AuIOErr("err %d\n", err);
++ goto out;
++ }
++
++ file = au_xino_file(br->br_xino, a->calc.idx);
++ AuDebugOn(!file);
++ err = au_xino_do_write(sbi->si_xwrite, file, &a->calc, a->ino);
++ if (unlikely(err)) {
++ AuIOErr("err %d\n", err);
++ goto out;
++ }
++
++ del = NULL;
++ hbl = &br->br_xino->xi_writing;
++ hlist_bl_lock(hbl);
++ au_hbl_for_each(pos, hbl) {
++ p = container_of(pos, struct au_xi_writing, node);
++ if (p->ino == a->ino) {
++ del = p;
++ hlist_bl_del(&p->node);
++ break;
++ }
++ }
++ hlist_bl_unlock(hbl);
++ au_kfree_rcu(del);
++
++out:
+ au_lcnt_dec(&br->br_count);
+ ii_read_unlock(root);
+ si_read_unlock(sb);
+ au_nwt_done(&sbi->si_nowait);
-+ kfree(args);
++ au_kfree_rcu(a);
+}
+
+/*
@@ -37545,7 +37652,7 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ if (unlikely(err)) {
+ pr_err("wkq %d\n", err);
+ au_lcnt_dec(&br->br_count);
-+ kfree(arg);
++ au_kfree_rcu(arg);
+ }
+
+out:
@@ -37564,6 +37671,10 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ struct au_xi_calc calc;
+ struct au_sbinfo *sbinfo;
+ struct file *file;
++ struct au_xino *xi;
++ struct hlist_bl_head *hbl;
++ struct hlist_bl_node *pos;
++ struct au_xi_writing *p;
+
+ *ino = 0;
+ if (!au_opt_test(au_mntflags(sb), XINO))
@@ -37571,10 +37682,24 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+
+ err = 0;
+ au_xi_calc(sb, h_ino, &calc);
-+ file = au_xino_file(au_sbr(sb, bindex)->br_xino, calc.idx);
-+ if (!file
-+ || vfsub_f_size_read(file) < calc.pos + sizeof(*ino))
-+ return 0; /* no ino */
++ xi = au_sbr(sb, bindex)->br_xino;
++ file = au_xino_file(xi, calc.idx);
++ if (!file) {
++ hbl = &xi->xi_writing;
++ hlist_bl_lock(hbl);
++ au_hbl_for_each(pos, hbl) {
++ p = container_of(pos, struct au_xi_writing, node);
++ if (p->h_ino == h_ino) {
++ AuDbg("hi%llu, i%llu, found\n",
++ (u64)p->h_ino, (u64)p->ino);
++ *ino = p->ino;
++ break;
++ }
++ }
++ hlist_bl_unlock(hbl);
++ return 0;
++ } else if (vfsub_f_size_read(file) < calc.pos + sizeof(*ino))
++ return 0; /* no xino */
+
+ sbinfo = au_sbi(sb);
+ sz = xino_fread(sbinfo->si_xread, file, ino, sizeof(*ino), &calc.pos);
@@ -37618,6 +37743,7 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ struct file *file;
+ struct au_branch *br;
+ struct au_xino *xi;
++ struct au_xi_writing *p;
+
+ SiMustAnyLock(sb);
+
@@ -37630,6 +37756,12 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ xi = br->br_xino;
+ file = au_xino_file(xi, calc.idx);
+ if (!file) {
++ /* store the inum pair into the list */
++ p = kmalloc(sizeof(*p), GFP_NOFS | __GFP_NOFAIL);
++ p->h_ino = h_ino;
++ p->ino = ino;
++ au_hbl_add(&p->node, &xi->xi_writing);
++
+ /* create and write a new xino file asynchronously */
+ err = au_xino_new_async(sb, br, &calc, ino);
+ if (!err)
@@ -38077,16 +38209,15 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ spin_lock_init(&xi->xi_nondir.spin);
+ init_waitqueue_head(&xi->xi_nondir.wqh);
+ mutex_init(&xi->xi_mtx);
-+ /* init_waitqueue_head(&xi->xi_wq); */
-+ /* atomic_set(&xi->xi_pending, 0); */
++ INIT_HLIST_BL_HEAD(&xi->xi_writing);
+ atomic_set(&xi->xi_truncating, 0);
+ kref_init(&xi->xi_kref);
+ goto out; /* success */
+
+out_file:
-+ kfree(xi->xi_file);
++ au_kfree_try_rcu(xi->xi_file);
+out_free:
-+ kfree(xi);
++ au_kfree_rcu(xi);
+ xi = NULL;
+out:
+ return xi;
@@ -38118,6 +38249,10 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+{
+ struct au_xino *xi;
+ int i;
++ unsigned long ul;
++ struct hlist_bl_head *hbl;
++ struct hlist_bl_node *pos, *n;
++ struct au_xi_writing *p;
+
+ xi = container_of(kref, struct au_xino, xi_kref);
+ for (i = 0; i < xi->xi_nfile; i++)
@@ -38126,9 +38261,20 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+ for (i = xi->xi_nondir.total - 1; i >= 0; i--)
+ AuDebugOn(xi->xi_nondir.array[i]);
+ mutex_destroy(&xi->xi_mtx);
-+ kfree(xi->xi_file);
-+ kfree(xi->xi_nondir.array);
-+ kfree(xi);
++ hbl = &xi->xi_writing;
++ ul = au_hbl_count(hbl);
++ if (unlikely(ul)) {
++ pr_warn("xi_writing %lu\n", ul);
++ hlist_bl_lock(hbl);
++ hlist_bl_for_each_entry_safe (p, pos, n, hbl, node) {
++ hlist_bl_del(&p->node);
++ au_kfree_rcu(p);
++ }
++ hlist_bl_unlock(hbl);
++ }
++ au_kfree_try_rcu(xi->xi_file);
++ au_kfree_try_rcu(xi->xi_nondir.array);
++ au_kfree_rcu(xi);
+}
+
+int au_xino_put(struct au_branch *br)
@@ -38729,7 +38875,7 @@ diff -urN /usr/share/empty/fs/aufs/xino.c linux/fs/aufs/xino.c
+}
diff -urN /usr/share/empty/include/uapi/linux/aufs_type.h linux/include/uapi/linux/aufs_type.h
--- /usr/share/empty/include/uapi/linux/aufs_type.h 1970-01-01 01:00:00.000000000 +0100
-+++ linux/include/uapi/linux/aufs_type.h 2018-10-23 12:33:35.602709228 +0200
++++ linux/include/uapi/linux/aufs_type.h 2019-01-28 14:36:12.225751436 +0100
@@ -0,0 +1,448 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
@@ -38773,7 +38919,7 @@ diff -urN /usr/share/empty/include/uapi/linux/aufs_type.h linux/include/uapi/lin
+
+#include <linux/limits.h>
+
-+#define AUFS_VERSION "4.x-rcN-20181022"
++#define AUFS_VERSION "4.19-20181217"
+
+/* todo? move this to linux-2.6.19/include/magic.h */
+#define AUFS_SUPER_MAGIC ('a' << 24 | 'u' << 16 | 'f' << 8 | 's')
@@ -39180,7 +39326,7 @@ diff -urN /usr/share/empty/include/uapi/linux/aufs_type.h linux/include/uapi/lin
+
+#endif /* __AUFS_TYPE_H__ */
SPDX-License-Identifier: GPL-2.0
-aufs4.x-rcN loopback patch
+aufs4.19 loopback patch
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 9e534a3..74cd74e 100644
@@ -39205,15 +39351,15 @@ index 9e534a3..74cd74e 100644
@@ -690,6 +699,7 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,
unsigned int arg)
{
- struct file *file, *old_file;
+ struct file *file = NULL, *old_file;
+ struct file *f, *virt_file = NULL, *old_virt_file;
int error;
+ bool partscan;
- error = -ENXIO;
@@ -705,12 +715,19 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,
file = fget(arg);
if (!file)
- goto out;
+ goto out_err;
+ f = loop_real_file(file);
+ if (f) {
+ virt_file = file;
@@ -39223,7 +39369,7 @@ index 9e534a3..74cd74e 100644
error = loop_validate_file(file, bdev);
if (error)
- goto out_putf;
+ goto out_err;
old_file = lo->lo_backing_file;
+ old_virt_file = lo->lo_backing_virt_file;
@@ -39238,23 +39384,25 @@ index 9e534a3..74cd74e 100644
lo->old_gfp_mask = mapping_gfp_mask(file->f_mapping);
mapping_set_gfp_mask(file->f_mapping,
lo->old_gfp_mask & ~(__GFP_IO|__GFP_FS));
-@@ -729,12 +747,16 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,
- blk_mq_unfreeze_queue(lo->lo_queue);
-
+@@ -729,14 +747,18 @@ static int loop_change_fd(struct loop_device *lo, struct block_device *bdev,
+ * dependency.
+ */
fput(old_file);
+ if (old_virt_file)
+ fput(old_virt_file);
- if (lo->lo_flags & LO_FLAGS_PARTSCAN)
+ if (partscan)
loop_reread_partitions(lo, bdev);
return 0;
- out_putf:
- fput(file);
+ out_err:
+ mutex_unlock(&loop_ctl_mutex);
+ if (file)
+ fput(file);
+ if (virt_file)
+ fput(virt_file);
- out:
return error;
}
+
@@ -922,7 +944,7 @@ static int loop_prepare_queue(struct loop_device *lo)
static int loop_set_fd(struct loop_device *lo, fmode_t mode,
struct block_device *bdev, unsigned int arg)
@@ -39286,23 +39434,23 @@ index 9e534a3..74cd74e 100644
lo->ioctl = NULL;
lo->lo_sizelimit = 0;
@@ -1001,6 +1030,8 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
-
- out_putf:
+ mutex_unlock(&loop_ctl_mutex);
+ out_putf:
fput(file);
+ if (virt_file)
+ fput(virt_file);
- out:
+ out:
/* This is safe: open() is still holding a reference. */
module_put(THIS_MODULE);
@@ -1047,6 +1078,7 @@ loop_init_xfer(struct loop_device *lo, struct loop_func_table *xfer,
- static int loop_clr_fd(struct loop_device *lo)
+ static int __loop_clr_fd(struct loop_device *lo)
{
- struct file *filp = lo->lo_backing_file;
+ struct file *filp = NULL;
+ struct file *virt_filp = lo->lo_backing_virt_file;
gfp_t gfp = lo->old_gfp_mask;
struct block_device *bdev = lo->lo_device;
-@@ -1078,6 +1110,7 @@ static int loop_clr_fd(struct loop_device *lo)
+@@ -1078,6 +1110,7 @@ static int __loop_clr_fd(struct loop_device *lo)
spin_lock_irq(&lo->lo_lock);
lo->lo_state = Lo_rundown;
lo->lo_backing_file = NULL;
@@ -39310,13 +39458,13 @@ index 9e534a3..74cd74e 100644
spin_unlock_irq(&lo->lo_lock);
loop_release_xfer(lo);
-@@ -1126,6 +1159,8 @@ static int loop_clr_fd(struct loop_device *lo)
- * bd_mutex which is usually taken before lo_ctl_mutex.
+@@ -1126,6 +1159,8 @@ static int __loop_clr_fd(struct loop_device *lo)
*/
- fput(filp);
+ if (filp)
+ fput(filp);
+ if (virt_filp)
+ fput(virt_filp);
- return 0;
+ return err;
}
diff --git a/drivers/block/loop.h b/drivers/block/loop.h
@@ -39346,12 +39494,12 @@ index 5309874..1a334cf 100644
if (file->f_mapping != h_file->f_mapping) {
file->f_mapping = h_file->f_mapping;
diff --git a/fs/aufs/loop.c b/fs/aufs/loop.c
-index 3d84349..a642de5 100644
+index 3f3577d..3b44158 100644
--- a/fs/aufs/loop.c
+++ b/fs/aufs/loop.c
@@ -133,3 +133,19 @@ void au_loopback_fin(void)
symbol_put(loop_backing_file);
- kfree(au_warn_loopback_array);
+ au_kfree_try_rcu(au_warn_loopback_array);
}
+
+/* ---------------------------------------------------------------------- */
================================================================
---- gitweb:
http://git.pld-linux.org/gitweb.cgi/packages/kernel.git/commitdiff/e49925d1d536503d560a8f3cbb7b137fe3e8eacf
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