From f5d3c785c1d3a0beb84f1ac66f06a8d61a689a77 Mon Sep 17 00:00:00 2001 From: Tetsuo Handa Date: Thu, 8 Nov 2018 14:01:01 +0100 Subject: [PATCH] block/loop: Don't grab "struct file" for vfs_getattr() operation. commit b1ab5fa309e6c49e4e06270ec67dd7b3e9971d04 upstream. vfs_getattr() needs "struct path" rather than "struct file". Let's use path_get()/path_put() rather than get_file()/fput(). Signed-off-by: Tetsuo Handa Reviewed-by: Jan Kara Signed-off-by: Jan Kara Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- 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 ea9debf59b22..50c81ff44ae2 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1205,7 +1205,7 @@ loop_set_status(struct loop_device *lo, const struct loop_info64 *info) static int loop_get_status(struct loop_device *lo, struct loop_info64 *info) { - struct file *file; + struct path path; struct kstat stat; int ret; @@ -1230,16 +1230,16 @@ loop_get_status(struct loop_device *lo, struct loop_info64 *info) } /* 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; } -- GitLab