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Diffstat (limited to 'fs/btrfs/disk-io.c')
-rw-r--r--fs/btrfs/disk-io.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 46accc75ad5a..6036d15b47b8 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3466,10 +3466,12 @@ static int write_dev_supers(struct btrfs_device *device,
* we fua the first super. The others we allow
* to go down lazy.
*/
- if (i == 0)
- ret = btrfsic_submit_bh(REQ_OP_WRITE, REQ_FUA, bh);
- else
+ if (i == 0) {
+ ret = btrfsic_submit_bh(REQ_OP_WRITE,
+ REQ_SYNC | REQ_FUA, bh);
+ } else {
ret = btrfsic_submit_bh(REQ_OP_WRITE, REQ_SYNC, bh);
+ }
if (ret)
errors++;
}
@@ -3534,7 +3536,7 @@ static blk_status_t write_dev_flush(struct btrfs_device *device, int wait)
bio->bi_end_io = btrfs_end_empty_barrier;
bio->bi_bdev = device->bdev;
- bio->bi_opf = REQ_OP_WRITE | REQ_PREFLUSH;
+ bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH;
init_completion(&device->flush_wait);
bio->bi_private = &device->flush_wait;
device->flush_bio = bio;