Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 242334
b: refs/heads/master
c: 3c31998
h: refs/heads/master
v: v3
  • Loading branch information
Ian Kent authored and Al Viro committed Mar 24, 2011
1 parent 4cd7eef commit f4d8f48
Show file tree
Hide file tree
Showing 3 changed files with 15 additions and 35 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 62a7375e5d77d654695297c4b39d5d740d901184
refs/heads/master: 3c3199852905ceb90a70e98777e71d369a5f0823
13 changes: 2 additions & 11 deletions trunk/fs/autofs4/expire.c
Original file line number Diff line number Diff line change
Expand Up @@ -294,15 +294,13 @@ struct dentry *autofs4_expire_direct(struct super_block *sb,
spin_unlock(&sbi->fs_lock);
return NULL;
}
managed_dentry_set_transit(root);
if (!autofs4_direct_busy(mnt, root, timeout, do_now)) {
struct autofs_info *ino = autofs4_dentry_ino(root);
ino->flags |= AUTOFS_INF_EXPIRING;
init_completion(&ino->expire_complete);
spin_unlock(&sbi->fs_lock);
return root;
}
managed_dentry_clear_transit(root);
spin_unlock(&sbi->fs_lock);
dput(root);

Expand Down Expand Up @@ -341,8 +339,7 @@ struct dentry *autofs4_expire_indirect(struct super_block *sb,
ino = autofs4_dentry_ino(dentry);
/* No point expiring a pending mount */
if (ino->flags & AUTOFS_INF_PENDING)
goto cont;
managed_dentry_set_transit(dentry);
goto next;

/*
* Case 1: (i) indirect mount or top level pseudo direct mount
Expand Down Expand Up @@ -402,8 +399,6 @@ struct dentry *autofs4_expire_indirect(struct super_block *sb,
}
}
next:
managed_dentry_clear_transit(dentry);
cont:
spin_unlock(&sbi->fs_lock);
}
return NULL;
Expand Down Expand Up @@ -484,8 +479,6 @@ int autofs4_expire_run(struct super_block *sb,
spin_lock(&sbi->fs_lock);
ino = autofs4_dentry_ino(dentry);
ino->flags &= ~AUTOFS_INF_EXPIRING;
if (!d_unhashed(dentry))
managed_dentry_clear_transit(dentry);
complete_all(&ino->expire_complete);
spin_unlock(&sbi->fs_lock);

Expand Down Expand Up @@ -513,9 +506,7 @@ int autofs4_do_expire_multi(struct super_block *sb, struct vfsmount *mnt,
spin_lock(&sbi->fs_lock);
ino->flags &= ~AUTOFS_INF_EXPIRING;
spin_lock(&dentry->d_lock);
if (ret)
__managed_dentry_clear_transit(dentry);
else {
if (!ret) {
if ((IS_ROOT(dentry) ||
(autofs_type_indirect(sbi->type) &&
IS_ROOT(dentry->d_parent))) &&
Expand Down
35 changes: 12 additions & 23 deletions trunk/fs/autofs4/root.c
Original file line number Diff line number Diff line change
Expand Up @@ -275,17 +275,16 @@ static int autofs4_mount_wait(struct dentry *dentry)
{
struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
struct autofs_info *ino = autofs4_dentry_ino(dentry);
int status;
int status = 0;

if (ino->flags & AUTOFS_INF_PENDING) {
DPRINTK("waiting for mount name=%.*s",
dentry->d_name.len, dentry->d_name.name);
status = autofs4_wait(sbi, dentry, NFY_MOUNT);
DPRINTK("mount wait done status=%d", status);
ino->last_used = jiffies;
return status;
}
return 0;
ino->last_used = jiffies;
return status;
}

static int do_expire_wait(struct dentry *dentry)
Expand Down Expand Up @@ -319,9 +318,12 @@ static struct dentry *autofs4_mountpoint_changed(struct path *path)
*/
if (autofs_type_indirect(sbi->type) && d_unhashed(dentry)) {
struct dentry *parent = dentry->d_parent;
struct autofs_info *ino;
struct dentry *new = d_lookup(parent, &dentry->d_name);
if (!new)
return NULL;
ino = autofs4_dentry_ino(new);
ino->last_used = jiffies;
dput(path->dentry);
path->dentry = new;
}
Expand All @@ -338,18 +340,6 @@ static struct vfsmount *autofs4_d_automount(struct path *path)
DPRINTK("dentry=%p %.*s",
dentry, dentry->d_name.len, dentry->d_name.name);

/*
* Someone may have manually umounted this or it was a submount
* that has gone away.
*/
spin_lock(&dentry->d_lock);
if (!d_mountpoint(dentry) && list_empty(&dentry->d_subdirs)) {
if (!(dentry->d_flags & DCACHE_MANAGE_TRANSIT) &&
(dentry->d_flags & DCACHE_NEED_AUTOMOUNT))
__managed_dentry_set_transit(path->dentry);
}
spin_unlock(&dentry->d_lock);

/* The daemon never triggers a mount. */
if (autofs4_oz_mode(sbi))
return NULL;
Expand Down Expand Up @@ -418,18 +408,17 @@ static struct vfsmount *autofs4_d_automount(struct path *path)
done:
if (!(ino->flags & AUTOFS_INF_EXPIRING)) {
/*
* Any needed mounting has been completed and the path updated
* so turn this into a normal dentry so we don't continually
* call ->d_automount() and ->d_manage().
*/
spin_lock(&dentry->d_lock);
__managed_dentry_clear_transit(dentry);
/*
* Any needed mounting has been completed and the path
* updated so clear DCACHE_NEED_AUTOMOUNT so we don't
* call ->d_automount() on rootless multi-mounts since
* it can lead to an incorrect ELOOP error return.
*
* Only clear DMANAGED_AUTOMOUNT for rootless multi-mounts and
* symlinks as in all other cases the dentry will be covered by
* an actual mount so ->d_automount() won't be called during
* the follow.
*/
spin_lock(&dentry->d_lock);
if ((!d_mountpoint(dentry) &&
!list_empty(&dentry->d_subdirs)) ||
(dentry->d_inode && S_ISLNK(dentry->d_inode->i_mode)))
Expand Down

0 comments on commit f4d8f48

Please sign in to comment.