lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

switch follow_down()

Browse Source 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2009-04-18 13:58:15 -04:00
parent 589ff870ed
commit 9393bd07cf
12 changed files with 29 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
fs/autofs4/expire.c
View File

@ -48,19 +48,19 @@ static inline int autofs4_can_expire(struct dentry *dentry,
static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
{
struct dentry *top = dentry;
struct path path = {.mnt = mnt, .dentry = dentry};
int status = 1;
DPRINTK("dentry %p %.*s",
dentry, (int)dentry->d_name.len, dentry->d_name.name);
mntget(mnt);
dget(dentry);
path_get(&path);
if (!follow_down(&mnt, &dentry))
if (!follow_down(&path))
goto done;
if (is_autofs4_dentry(dentry)) {
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
if (is_autofs4_dentry(path.dentry)) {
struct autofs_sb_info *sbi = autofs4_sbi(path.dentry->d_sb);
/* This is an autofs submount, we can't expire it */
if (autofs_type_indirect(sbi->type))
@ -70,7 +70,7 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
* Otherwise it's an offset mount and we need to check
* if we can umount its mount, if there is one.
*/
if (!d_mountpoint(dentry)) {
if (!d_mountpoint(path.dentry)) {
status = 0;
goto done;
}
@ -86,8 +86,7 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
status = 0;
done:
DPRINTK("returning = %d", status);
dput(dentry);
mntput(mnt);
path_put(&path);
return status;
}