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-rw-r--r--drivers/md/dm-io.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index a89f41f0075..3a2e6a2f8bd 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -364,6 +364,7 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
return -EIO;
}
+retry:
io.error_bits = 0;
io.eopnotsupp_bits = 0;
atomic_set(&io.count, 1); /* see dispatch_io() */
@@ -382,6 +383,11 @@ static int sync_io(struct dm_io_client *client, unsigned int num_regions,
}
set_current_state(TASK_RUNNING);
+ if (io.eopnotsupp_bits && (rw & (1 << BIO_RW_BARRIER))) {
+ rw &= ~(1 << BIO_RW_BARRIER);
+ goto retry;
+ }
+
if (error_bits)
*error_bits = io.error_bits;