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scsi: core: Add scsi_done_direct() for immediate completion

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Add scsi_done_direct() which behaves like scsi_done() except that it
invokes blk_mq_complete_request_direct() in order to complete the request.

Callers from process context can complete the request directly instead
waking ksoftirqd.

Link: https://lore.kernel.org/r/Yfw7JaszshmfYa1d@flow
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Sebastian Andrzej Siewior
2022-02-03 21:29:25 +01:00
committed by Martin K. Petersen
parent 7cddf7e8d1
commit b84b6ec0f9
2 changed files with 20 additions and 2 deletions
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include/scsi/scsi_cmnd.h
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@@ -168,6 +168,7 @@ static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
}
void scsi_done(struct scsi_cmnd *cmd);
void scsi_done_direct(struct scsi_cmnd *cmd);
extern void scsi_finish_command(struct scsi_cmnd *cmd);