diff options
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/fs/open.c b/fs/open.c index fe63e236da22..02dc608d40d8 100644 --- a/fs/open.c +++ b/fs/open.c @@ -881,7 +881,7 @@ static inline int file_get_write_access(struct file *f) if (unlikely(error)) goto cleanup_inode; if (unlikely(f->f_mode & FMODE_BACKING)) { - error = mnt_get_write_access(backing_file_real_path(f)->mnt); + error = mnt_get_write_access(backing_file_user_path(f)->mnt); if (unlikely(error)) goto cleanup_mnt; } @@ -1182,20 +1182,19 @@ EXPORT_SYMBOL_GPL(kernel_file_open); /** * backing_file_open - open a backing file for kernel internal use - * @path: path of the file to open + * @user_path: path that the user reuqested to open * @flags: open flags * @real_path: path of the backing file * @cred: credentials for open * * Open a backing file for a stackable filesystem (e.g., overlayfs). - * @path may be on the stackable filesystem and backing inode on the - * underlying filesystem. In this case, we want to be able to return - * the @real_path of the backing inode. This is done by embedding the - * returned file into a container structure that also stores the path of - * the backing inode on the underlying filesystem, which can be - * retrieved using backing_file_real_path(). + * @user_path may be on the stackable filesystem and @real_path on the + * underlying filesystem. In this case, we want to be able to return the + * @user_path of the stackable filesystem. This is done by embedding the + * returned file into a container structure that also stores the stacked + * file's path, which can be retrieved using backing_file_user_path(). */ -struct file *backing_file_open(const struct path *path, int flags, +struct file *backing_file_open(const struct path *user_path, int flags, const struct path *real_path, const struct cred *cred) { @@ -1206,9 +1205,9 @@ struct file *backing_file_open(const struct path *path, int flags, if (IS_ERR(f)) return f; - f->f_path = *path; - path_get(real_path); - *backing_file_real_path(f) = *real_path; + path_get(user_path); + *backing_file_user_path(f) = *user_path; + f->f_path = *real_path; error = do_dentry_open(f, d_inode(real_path->dentry), NULL); if (error) { fput(f); |