btrfs: Do chunk level check for degraded remount

Just the same for mount time check, use btrfs_check_rw_degradable() to
check if we are OK to be remounted rw.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2017-03-09 09:34:38 +08:00 committed by David Sterba
parent 4330e183c9
commit b382cfe889
1 changed files with 1 additions and 2 deletions

View File

@ -1781,8 +1781,7 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data)
goto restore;
}
if (fs_info->fs_devices->missing_devices >
fs_info->num_tolerated_disk_barrier_failures) {
if (!btrfs_check_rw_degradable(fs_info)) {
btrfs_warn(fs_info,
"too many missing devices, writeable remount is not allowed");
ret = -EACCES;