diff options
Diffstat (limited to 'fs-umount-on-symlink-leaks-mnt-count.patch')
| -rw-r--r-- | fs-umount-on-symlink-leaks-mnt-count.patch | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/fs-umount-on-symlink-leaks-mnt-count.patch b/fs-umount-on-symlink-leaks-mnt-count.patch deleted file mode 100644 index ed0e8a39..00000000 --- a/fs-umount-on-symlink-leaks-mnt-count.patch +++ /dev/null @@ -1,41 +0,0 @@ -Bugzilla: 1122482 -Upstream-status: Sent for 3.16 -From: Vasily Averin <vvs@openvz.org> -Subject: [PATCH v4] fs: umount on symlink leaks mnt count -Currently umount on symlink blocks following umount: - -/vz is separate mount - -# ls /vz/ -al | grep test -drwxr-xr-x. 2 root root 4096 Jul 19 01:14 testdir -lrwxrwxrwx. 1 root root 11 Jul 19 01:16 testlink -> /vz/testdir -# umount -l /vz/testlink -umount: /vz/testlink: not mounted (expected) -# lsof /vz -# umount /vz -umount: /vz: device is busy. (unexpected) - -In this case mountpoint_last() gets an extra refcount on path->mnt - -Signed-off-by: Vasily Averin <vvs@openvz.org> ---- - fs/namei.c | 3 ++- - 1 files changed, 2 insertions(+), 1 deletions(-) -diff --git a/fs/namei.c b/fs/namei.c -index 985c6f3..9eb787e 100644 ---- a/fs/namei.c -+++ b/fs/namei.c -@@ -2256,9 +2256,10 @@ done: - goto out; - } - path->dentry = dentry; -- path->mnt = mntget(nd->path.mnt); -+ path->mnt = nd->path.mnt; - if (should_follow_link(dentry, nd->flags & LOOKUP_FOLLOW)) - return 1; -+ mntget(path->mnt); - follow_mount(path); - error = 0; - out: --- -1.7.5.4 |