提交 e3474a8e 编写于 作者: I Ian Kent 提交者: Linus Torvalds

[PATCH] autofs4: change may_umount* functions to boolean

Change the functions may_umount and may_umount_tree to boolean functions to
aid code readability.
Signed-off-by: NIan Kent <raven@themaw.net>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 90a59c7c
......@@ -92,7 +92,7 @@ struct autofs_dir_ent *autofs_expire(struct super_block *sb,
;
dput(dentry);
if ( may_umount(mnt) == 0 ) {
if ( may_umount(mnt) ) {
mntput(mnt);
DPRINTK(("autofs: signaling expire on %s\n", ent->name));
return ent; /* Expirable! */
......
......@@ -64,7 +64,7 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry)
goto done;
/* Update the expiry counter if fs is busy */
if (may_umount_tree(mnt)) {
if (!may_umount_tree(mnt)) {
struct autofs_info *ino = autofs4_dentry_ino(top);
ino->last_used = jiffies;
goto done;
......
......@@ -699,7 +699,7 @@ static inline int autofs4_ask_umount(struct vfsmount *mnt, int __user *p)
{
int status = 0;
if (may_umount(mnt) == 0)
if (may_umount(mnt))
status = 1;
DPRINTK("returning %d", status);
......
......@@ -459,9 +459,9 @@ int may_umount_tree(struct vfsmount *mnt)
spin_unlock(&vfsmount_lock);
if (actual_refs > minimum_refs)
return -EBUSY;
return 0;
return 0;
return 1;
}
EXPORT_SYMBOL(may_umount_tree);
......@@ -481,10 +481,10 @@ EXPORT_SYMBOL(may_umount_tree);
*/
int may_umount(struct vfsmount *mnt)
{
int ret = 0;
int ret = 1;
spin_lock(&vfsmount_lock);
if (propagate_mount_busy(mnt, 2))
ret = -EBUSY;
ret = 0;
spin_unlock(&vfsmount_lock);
return ret;
}
......
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