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>hifive-unleashed-5.1
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3e004eea56
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25ab4c9b1c
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@ -2939,9 +2939,9 @@ bool is_path_reachable(struct mount *mnt, struct dentry *dentry,
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return &mnt->mnt == root->mnt && is_subdir(dentry, root->dentry);
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return &mnt->mnt == root->mnt && is_subdir(dentry, root->dentry);
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}
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}
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int path_is_under(struct path *path1, struct path *path2)
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bool path_is_under(struct path *path1, struct path *path2)
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{
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{
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int res;
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bool res;
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read_seqlock_excl(&mount_lock);
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read_seqlock_excl(&mount_lock);
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res = is_path_reachable(real_mount(path1->mnt), path1->dentry, path2);
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res = is_path_reachable(real_mount(path1->mnt), path1->dentry, path2);
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read_sequnlock_excl(&mount_lock);
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read_sequnlock_excl(&mount_lock);
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@ -2533,7 +2533,7 @@ extern struct file * open_exec(const char *);
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/* fs/dcache.c -- generic fs support functions */
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/* fs/dcache.c -- generic fs support functions */
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extern int is_subdir(struct dentry *, struct dentry *);
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extern int is_subdir(struct dentry *, struct dentry *);
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extern int path_is_under(struct path *, struct path *);
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extern bool path_is_under(struct path *, struct path *);
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extern char *file_path(struct file *, char *, int);
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extern char *file_path(struct file *, char *, int);
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