From: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
Just the same for mount time check, use new btrfs_check_degraded() to do
per chunk check.
Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
Btrfs: use btrfs_error instead of btrfs_err during remount
Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
fs/btrfs/super.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index b4e15416704d..729f596b540a 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1767,11 +1767,14 @@ 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)) {
+ ret = btrfs_check_degradable(fs_info, *flags);
+ if (ret < 0) {
+ btrfs_err(fs_info,
+ "degraded writable remount failed %d", ret);
+ goto restore;
+ } else if (ret > 0 && !btrfs_test_opt(root, DEGRADED)) {
btrfs_warn(fs_info,
- "too many missing devices, writeable remount is not allowed");
+ "some device missing, but still degraded mountable, please remount with -o degraded option");
ret = -EACCES;
goto restore;
}
--
2.7.0
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