[v4,3/6] btrfs: Do chunk level degradation check for remount
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Message ID 20170628054335.18806-4-quwenruo@cn.fujitsu.com
State New
Headers show

Commit Message

Qu Wenruo June 28, 2017, 5:43 a.m. UTC
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>
---
 fs/btrfs/super.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch
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diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 74e47794e63f..03fa52008404 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -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;