Currently num_tolerated_disk_barrier_failures gets the value of
fs_devices->num_devices in the RAID6 case. But, RAID6 can tolerate only
two simultaneous failures, so set it to 2.
CC: Stefan Behrens <sbehrens@xxxxxxxxxxxxxxxx>
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
---
fs/btrfs/disk-io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index b8b60b6..aecf788 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3258,7 +3258,7 @@ int btrfs_calc_num_tolerated_disk_barrier_failures(
BTRFS_BLOCK_GROUP_RAID10)) {
num_tolerated_disk_barrier_failures = 1;
} else if (flags &
- BTRFS_BLOCK_GROUP_RAID5) {
+ BTRFS_BLOCK_GROUP_RAID6) {
num_tolerated_disk_barrier_failures = 2;
}
}
--
1.7.10.4
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