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| author | Bart Van Assche <bvanassche@acm.org> | 2021-04-16 01:08:11 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-04-16 05:44:40 +0300 |
| commit | b8e162f9e7e2da6e823a4984d6aa0523e278babf (patch) | |
| tree | fcc0568d9fd33460ed837277c91c72858fe3a408 /drivers/scsi/scsi_priv.h | |
| parent | 280e91b026653af77296b5feb54f16d85973b104 (diff) | |
| download | linux-b8e162f9e7e2da6e823a4984d6aa0523e278babf.tar.xz | |
scsi: core: Introduce enum scsi_disposition
Improve readability of the code in the SCSI core by introducing an
enumeration type for the values used internally that decide how to continue
processing a SCSI command. The eh_*_handler return values have not been
changed because that would involve modifying all SCSI drivers.
The output of the following command has been inspected to verify that no
out-of-range values are assigned to a variable of type enum
scsi_disposition:
KCFLAGS=-Wassign-enum make CC=clang W=1 drivers/scsi/
Link: https://lore.kernel.org/r/20210415220826.29438-6-bvanassche@acm.org
Cc: Christoph Hellwig <hch@lst.de>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/scsi_priv.h')
| -rw-r--r-- | drivers/scsi/scsi_priv.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index ed240f006c04..75d6f23e4fff 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -74,7 +74,7 @@ extern void scsi_exit_devinfo(void); extern void scmd_eh_abort_handler(struct work_struct *work); extern enum blk_eh_timer_return scsi_times_out(struct request *req); extern int scsi_error_handler(void *host); -extern int scsi_decide_disposition(struct scsi_cmnd *cmd); +extern enum scsi_disposition scsi_decide_disposition(struct scsi_cmnd *cmd); extern void scsi_eh_wakeup(struct Scsi_Host *shost); extern void scsi_eh_scmd_add(struct scsi_cmnd *); void scsi_eh_ready_devs(struct Scsi_Host *shost, |