diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/volumes.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 9d3618192009..27d5f37b845f 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -161,6 +161,7 @@ static noinline int run_scheduled_bios(struct btrfs_device *device) int again = 0; unsigned long num_run; unsigned long num_sync_run; + unsigned long batch_run = 0; unsigned long limit; unsigned long last_waited = 0; int force_reg = 0; @@ -257,6 +258,8 @@ loop_lock: BUG_ON(atomic_read(&cur->bi_cnt) == 0); submit_bio(cur->bi_rw, cur); num_run++; + batch_run++; + if (bio_sync(cur)) num_sync_run++; @@ -273,7 +276,7 @@ loop_lock: * is now congested. Back off and let other work structs * run instead */ - if (pending && bdi_write_congested(bdi) && num_run > 16 && + if (pending && bdi_write_congested(bdi) && batch_run > 32 && fs_info->fs_devices->open_devices > 1) { struct io_context *ioc; |