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path: root/drivers/block/null_blk_main.c
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Diffstat (limited to 'drivers/block/null_blk_main.c')
-rw-r--r--drivers/block/null_blk_main.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index eefaea1aaa45..4299274cccfb 100644
--- a/drivers/block/null_blk_main.c
+++ b/drivers/block/null_blk_main.c
@@ -1168,13 +1168,26 @@ static inline blk_status_t null_handle_badblocks(struct nullb_cmd *cmd,
return BLK_STS_OK;
}
+static inline blk_status_t null_handle_memory_backed(struct nullb_cmd *cmd,
+ enum req_opf op)
+{
+ struct nullb_device *dev = cmd->nq->dev;
+ int err;
+
+ if (dev->queue_mode == NULL_Q_BIO)
+ err = null_handle_bio(cmd);
+ else
+ err = null_handle_rq(cmd);
+
+ return errno_to_blk_status(err);
+}
+
static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,
sector_t nr_sectors, enum req_opf op)
{
struct nullb_device *dev = cmd->nq->dev;
struct nullb *nullb = dev->nullb;
blk_status_t sts;
- int err = 0;
if (test_bit(NULLB_DEV_FL_THROTTLED, &dev->flags)) {
sts = null_handle_throttled(cmd);
@@ -1193,14 +1206,8 @@ static blk_status_t null_handle_cmd(struct nullb_cmd *cmd, sector_t sector,
goto out;
}
- if (dev->memory_backed) {
- if (dev->queue_mode == NULL_Q_BIO)
- err = null_handle_bio(cmd);
- else
- err = null_handle_rq(cmd);
- }
-
- cmd->error = errno_to_blk_status(err);
+ if (dev->memory_backed)
+ cmd->error = null_handle_memory_backed(cmd, op);
if (!cmd->error && dev->zoned) {
if (op == REQ_OP_WRITE)