On Wed, Sep 26, 2018 at 12:26:46AM +0900, Tetsuo Handa wrote:
> vfs_getattr() needs "struct path" rather than "struct file".
> Let's use path_get()/path_put() rather than get_file()/fput().
Reviewed-by: Omar Sandoval <osan...@fb.com>
> Signed-off-by: Tetsuo Handa <penguin-ker...@i-love.sakura.ne.jp>
> Reviewed-by: Jan Kara <j...@suse.cz>
> ---
> drivers/block/loop.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/block/loop.c b/drivers/block/loop.c
> index abad6d1..c2745e6 100644
> --- a/drivers/block/loop.c
> +++ b/drivers/block/loop.c
> @@ -1206,7 +1206,7 @@ static int loop_clr_fd(struct loop_device *lo)
> static int
> loop_get_status(struct loop_device *lo, struct loop_info64 *info)
> {
> - struct file *file;
> + struct path path;
> struct kstat stat;
> int ret;
>
> @@ -1231,16 +1231,16 @@ static int loop_clr_fd(struct loop_device *lo)
> }
>
> /* Drop lo_ctl_mutex while we call into the filesystem. */
> - file = get_file(lo->lo_backing_file);
> + path = lo->lo_backing_file->f_path;
> + path_get(&path);
> mutex_unlock(&lo->lo_ctl_mutex);
> - ret = vfs_getattr(&file->f_path, &stat, STATX_INO,
> - AT_STATX_SYNC_AS_STAT);
> + ret = vfs_getattr(&path, &stat, STATX_INO, AT_STATX_SYNC_AS_STAT);
> if (!ret) {
> info->lo_device = huge_encode_dev(stat.dev);
> info->lo_inode = stat.ino;
> info->lo_rdevice = huge_encode_dev(stat.rdev);
> }
> - fput(file);
> + path_put(&path);
> return ret;
> }
>
> --
> 1.8.3.1
>
