On 06/16/2017 12:49 AM, David Sterba wrote:
We should really just wait in wait_dev_flush and let the caller decide
what to do with the error value.
Nice.
Reviewed-by: Anand Jain <anand.jain@xxxxxxxxxx>
Signed-off-by: David Sterba <dsterba@xxxxxxxx>
---
fs/btrfs/disk-io.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 05ff81ecb887..59a732a13370 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3512,7 +3512,6 @@ static void write_dev_flush(struct btrfs_device *device)
*/
static int wait_dev_flush(struct btrfs_device *device)
{
- int ret = 0;
struct request_queue *q = bdev_get_queue(device->bdev);
struct bio *bio = device->flush_bio;
@@ -3521,13 +3520,7 @@ static int wait_dev_flush(struct btrfs_device *device)
wait_for_completion_io(&device->flush_wait);
- if (bio->bi_error) {
- ret = bio->bi_error;
- btrfs_dev_stat_inc_and_print(device,
- BTRFS_DEV_STAT_FLUSH_ERRS);
- }
-
- return ret;
+ return bio->bi_error;
}
static int check_barrier_error(struct btrfs_fs_devices *fsdevs)
@@ -3586,6 +3579,8 @@ static int barrier_all_devices(struct btrfs_fs_info *info)
ret = wait_dev_flush(dev);
if (ret) {
dev->last_flush_error = ret;
+ btrfs_dev_stat_inc_and_print(dev,
+ BTRFS_DEV_STAT_FLUSH_ERRS);
errors_wait++;
}
}
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