This is a note to let you know that I've just added the patch titled
prepend_path() needs to reinitialize dentry/vfsmount/mnt on restarts
to the 3.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
prepend_path-needs-to-reinitialize-dentry-vfsmount-mnt-on-restarts.patch
and it can be found in the queue-3.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ede4cebce16f5643c61aedd6d88d9070a1d23a68 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Wed, 13 Nov 2013 07:45:40 -0500
Subject: prepend_path() needs to reinitialize dentry/vfsmount/mnt on restarts
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
commit ede4cebce16f5643c61aedd6d88d9070a1d23a68 upstream.
... and equivalent is needed in 3.12; it's broken there as well
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Reported-by: Michael Marineau <michael.marineau@xxxxxxxxxx>
Tested-by: Waiman Long <Waiman.Long@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/dcache.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2881,9 +2881,9 @@ static int prepend_path(const struct pat
const struct path *root,
char **buffer, int *buflen)
{
- struct dentry *dentry = path->dentry;
- struct vfsmount *vfsmnt = path->mnt;
- struct mount *mnt = real_mount(vfsmnt);
+ struct dentry *dentry;
+ struct vfsmount *vfsmnt;
+ struct mount *mnt;
int error = 0;
unsigned seq = 0;
char *bptr;
@@ -2893,6 +2893,9 @@ static int prepend_path(const struct pat
restart:
bptr = *buffer;
blen = *buflen;
+ dentry = path->dentry;
+ vfsmnt = path->mnt;
+ mnt = real_mount(vfsmnt);
read_seqbegin_or_lock(&rename_lock, &seq);
while (dentry != root->dentry || vfsmnt != root->mnt) {
struct dentry * parent;
Patches currently in stable-queue which might be from viro@xxxxxxxxxxxxxxxxxx are
queue-3.12/prepend_path-needs-to-reinitialize-dentry-vfsmount-mnt-on-restarts.patch
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