diff options
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 26a57faf885b..fc0a8a0c0a34 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -22,6 +22,7 @@ #include <linux/hardirq.h> #include <linux/scatterlist.h> #include <linux/blk-mq.h> +#include <linux/ratelimit.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -1038,18 +1039,25 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) switch (action) { case ACTION_FAIL: /* Give up and fail the remainder of the request */ - if (unlikely(scsi_logging_level)) - level = SCSI_LOG_LEVEL(SCSI_LOG_MLQUEUE_SHIFT, - SCSI_LOG_MLQUEUE_BITS); - /* - * if logging is enabled the failure will be printed - * in scsi_log_completion(), so avoid duplicate messages - */ - if (!level && !(req->cmd_flags & REQ_QUIET)) { - scsi_print_result(cmd, NULL, FAILED); - if (driver_byte(result) & DRIVER_SENSE) - scsi_print_sense(cmd); - scsi_print_command(cmd); + if (!(req->cmd_flags & REQ_QUIET)) { + static DEFINE_RATELIMIT_STATE(_rs, + DEFAULT_RATELIMIT_INTERVAL, + DEFAULT_RATELIMIT_BURST); + + if (unlikely(scsi_logging_level)) + level = SCSI_LOG_LEVEL(SCSI_LOG_MLCOMPLETE_SHIFT, + SCSI_LOG_MLCOMPLETE_BITS); + + /* + * if logging is enabled the failure will be printed + * in scsi_log_completion(), so avoid duplicate messages + */ + if (!level && __ratelimit(&_rs)) { + scsi_print_result(cmd, NULL, FAILED); + if (driver_byte(result) & DRIVER_SENSE) + scsi_print_sense(cmd); + scsi_print_command(cmd); + } } if (!scsi_end_request(req, error, blk_rq_err_bytes(req), 0)) return; |