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fs/namespace.c: path_is_under can be boolean 

This patch makes path_is_under 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:
Yaowei Bai 2015-11-17 14:40:10 +08:00 committed by Al Viro
parent 3e004eea56
commit 25ab4c9b1c
2 changed files with 3 additions and 3 deletions
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4
fs/namespace.c
View File

@ -2939,9 +2939,9 @@ bool is_path_reachable(struct mount *mnt, struct dentry *dentry,
return &mnt->mnt == root->mnt && is_subdir(dentry, root->dentry);
}
int path_is_under(struct path *path1, struct path *path2)
bool path_is_under(struct path *path1, struct path *path2)
{
int res;
bool res;
read_seqlock_excl(&mount_lock);
res = is_path_reachable(real_mount(path1->mnt), path1->dentry, path2);
read_sequnlock_excl(&mount_lock);

2
include/linux/fs.h
View File

@ -2533,7 +2533,7 @@ extern struct file * open_exec(const char *);
/* fs/dcache.c -- generic fs support functions */
extern int is_subdir(struct dentry *, struct dentry *);
extern int path_is_under(struct path *, struct path *);
extern bool path_is_under(struct path *, struct path *);
extern char *file_path(struct file *, char *, int);