fs/dcache.c: is_subdir can be boolean
This patch makes is_subdir return bool to improve readability due to this particular function only using either one or zero as its return value. No functional change. Signed-off-by: Yaowei Bai <baiyaowei@cmss.chinamobile.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
14
fs/dcache.c
14
fs/dcache.c
@@ -3303,18 +3303,18 @@ out:
|
||||
* @new_dentry: new dentry
|
||||
* @old_dentry: old dentry
|
||||
*
|
||||
* Returns 1 if new_dentry is a subdirectory of the parent (at any depth).
|
||||
* Returns 0 otherwise.
|
||||
* Returns true if new_dentry is a subdirectory of the parent (at any depth).
|
||||
* Returns false otherwise.
|
||||
* Caller must ensure that "new_dentry" is pinned before calling is_subdir()
|
||||
*/
|
||||
|
||||
int is_subdir(struct dentry *new_dentry, struct dentry *old_dentry)
|
||||
bool is_subdir(struct dentry *new_dentry, struct dentry *old_dentry)
|
||||
{
|
||||
int result;
|
||||
bool result;
|
||||
unsigned seq;
|
||||
|
||||
if (new_dentry == old_dentry)
|
||||
return 1;
|
||||
return true;
|
||||
|
||||
do {
|
||||
/* for restarting inner loop in case of seq retry */
|
||||
@@ -3325,9 +3325,9 @@ int is_subdir(struct dentry *new_dentry, struct dentry *old_dentry)
|
||||
*/
|
||||
rcu_read_lock();
|
||||
if (d_ancestor(old_dentry, new_dentry))
|
||||
result = 1;
|
||||
result = true;
|
||||
else
|
||||
result = 0;
|
||||
result = false;
|
||||
rcu_read_unlock();
|
||||
} while (read_seqretry(&rename_lock, seq));
|
||||
|
||||
|
Reference in New Issue
Block a user