diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-02 00:49:18 -0400 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-10-23 03:34:19 -0400 |
commit | d181146572c4fa9af2a068b967cb53dcac7da944 (patch) | |
tree | 35919e1675740059cf9336c7dbff0ef35032351c | |
parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) |
[PATCH] new helper - kern_path()
Analog of lookup_path(), takes struct path *.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r-- | fs/namei.c | 10 | ||||
-rw-r--r-- | include/linux/namei.h | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/fs/namei.c b/fs/namei.c index 4ea63ed5e791..4a56f9b59e8c 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1106,6 +1106,15 @@ int path_lookup(const char *name, unsigned int flags, return do_path_lookup(AT_FDCWD, name, flags, nd); } +int kern_path(const char *name, unsigned int flags, struct path *path) +{ + struct nameidata nd; + int res = do_path_lookup(AT_FDCWD, name, flags, &nd); + if (!res) + *path = nd.path; + return res; +} + /** * vfs_path_lookup - lookup a file path relative to a dentry-vfsmount pair * @dentry: pointer to dentry of the base directory @@ -2855,6 +2864,7 @@ EXPORT_SYMBOL(__page_symlink); EXPORT_SYMBOL(page_symlink); EXPORT_SYMBOL(page_symlink_inode_operations); EXPORT_SYMBOL(path_lookup); +EXPORT_SYMBOL(kern_path); EXPORT_SYMBOL(vfs_path_lookup); EXPORT_SYMBOL(inode_permission); EXPORT_SYMBOL(vfs_permission); diff --git a/include/linux/namei.h b/include/linux/namei.h index 68f8c3203c89..221e8bc894ba 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -61,6 +61,8 @@ extern int user_path_at(int, const char __user *, unsigned, struct path *); #define user_path_dir(name, path) \ user_path_at(AT_FDCWD, name, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, path) +extern int kern_path(const char *, unsigned, struct path *); + extern int path_lookup(const char *, unsigned, struct nameidata *); extern int vfs_path_lookup(struct dentry *, struct vfsmount *, const char *, unsigned int, struct nameidata *); |