aboutsummaryrefslogtreecommitdiff
path: root/fs/namei.c
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2011-01-17 01:35:23 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2011-01-17 01:35:23 -0500
commit19a167af7c97248ec646552ebc9140bc6aa3552a (patch)
treea521153c80fa6e40b2b4983c5bba21c2e96d1864 /fs/namei.c
parente78bf5e6cbe837daa6ab628a5f679548742994d3 (diff)
Take the completion of automount into new helper
... and shift it from namei.c to namespace.c Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c31
1 files changed, 5 insertions, 26 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 8f7b41a1488..b753192d8c3 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -923,37 +923,13 @@ static int follow_automount(struct path *path, unsigned flags,
if (!mnt) /* mount collision */
return 0;
- /* The new mount record should have at least 2 refs to prevent it being
- * expired before we get a chance to add it
- */
- BUG_ON(mnt_get_count(mnt) < 2);
-
- if (mnt->mnt_sb == path->mnt->mnt_sb &&
- mnt->mnt_root == path->dentry) {
- mnt_clear_expiry(mnt);
- mntput(mnt);
- mntput(mnt);
- return -ELOOP;
- }
+ err = finish_automount(mnt, path);
- /* We need to add the mountpoint to the parent. The filesystem may
- * have placed it on an expiry list, and so we need to make sure it
- * won't be expired under us if do_add_mount() fails (do_add_mount()
- * will eat a reference unconditionally).
- */
- mntget(mnt);
- err = do_add_mount(mnt, path, path->mnt->mnt_flags | MNT_SHRINKABLE);
switch (err) {
case -EBUSY:
/* Someone else made a mount here whilst we were busy */
- err = 0;
- default:
- mnt_clear_expiry(mnt);
- mntput(mnt);
- mntput(mnt);
- return err;
+ return 0;
case 0:
- mntput(mnt);
dput(path->dentry);
if (*need_mntput)
mntput(path->mnt);
@@ -961,7 +937,10 @@ static int follow_automount(struct path *path, unsigned flags,
path->dentry = dget(mnt->mnt_root);
*need_mntput = true;
return 0;
+ default:
+ return err;
}
+
}
/*