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 <quwen...@cn.fujitsu.com>
Tested-by: Austin S. Hemmelgarn <ahferro...@gmail.com>
Tested-by: Adam Borowski <kilob...@angband.pl>
Tested-by: Dmitrii Tcvetkov <demfl...@demfloro.ru>
---
fs/btrfs/super.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index da687dc79cce..1f5772501c92 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1784,9 +1784,8 @@ 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 &&
- !(*flags & MS_RDONLY)) {
+ if (!(*flags & MS_RDONLY) &&
+ !btrfs_check_rw_degradable(fs_info)) {
btrfs_warn(fs_info,
"too many missing devices, writeable remount is
not allowed");
ret = -EACCES;
--
2.12.0
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