diff options
author | Christoph Hellwig <hch@lst.de> | 2018-11-09 14:42:35 +0100 |
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committer | Jens Axboe <axboe@kernel.dk> | 2018-11-09 19:17:13 -0700 |
commit | 535ac5d3fe63b9ea1dda379f606f9d0d377d7184 (patch) | |
tree | a007c66ce4e12a4086085f48dddf1946e67f85f0 /drivers/ide/ide-cd.c | |
parent | 9d037ad707ed6069fbea4e38e6ee37e027b13f1d (diff) | |
download | linux-535ac5d3fe63b9ea1dda379f606f9d0d377d7184.tar.bz2 |
ide: cleanup ->prep_rq calling convention
The return value is just used as a binary yes/no decision, so switch
it to a bool instead of the old BLKPREP_* values returned as an int.
Also clean up a few related comments.
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/ide/ide-cd.c')
-rw-r--r-- | drivers/ide/ide-cd.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 4ecaf2ace4cb..69c1aede5f93 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -527,8 +527,8 @@ static bool ide_cd_error_cmd(ide_drive_t *drive, struct ide_cmd *cmd) return false; } -/* standard prep_rq_fn that builds 10 byte cmds */ -static int ide_cdrom_prep_fs(struct request_queue *q, struct request *rq) +/* standard prep_rq that builds 10 byte cmds */ +static bool ide_cdrom_prep_fs(struct request_queue *q, struct request *rq) { int hard_sect = queue_logical_block_size(q); long block = (long)blk_rq_pos(rq) / (hard_sect >> 9); @@ -554,14 +554,14 @@ static int ide_cdrom_prep_fs(struct request_queue *q, struct request *rq) req->cmd[7] = (blocks >> 8) & 0xff; req->cmd[8] = blocks & 0xff; req->cmd_len = 10; - return BLKPREP_OK; + return true; } /* * Most of the SCSI commands are supported directly by ATAPI devices. * This transform handles the few exceptions. */ -static int ide_cdrom_prep_pc(struct request *rq) +static bool ide_cdrom_prep_pc(struct request *rq) { u8 *c = scsi_req(rq)->cmd; @@ -575,7 +575,7 @@ static int ide_cdrom_prep_pc(struct request *rq) c[1] &= 0xe0; c[0] += (READ_10 - READ_6); scsi_req(rq)->cmd_len = 10; - return BLKPREP_OK; + return true; } /* @@ -585,13 +585,13 @@ static int ide_cdrom_prep_pc(struct request *rq) */ if (c[0] == MODE_SENSE || c[0] == MODE_SELECT) { scsi_req(rq)->result = ILLEGAL_REQUEST; - return BLKPREP_KILL; + return false; } - return BLKPREP_OK; + return true; } -static int ide_cdrom_prep_fn(ide_drive_t *drive, struct request *rq) +static bool ide_cdrom_prep_rq(ide_drive_t *drive, struct request *rq) { if (!blk_rq_is_passthrough(rq)) { scsi_req_init(scsi_req(rq)); @@ -600,7 +600,7 @@ static int ide_cdrom_prep_fn(ide_drive_t *drive, struct request *rq) } else if (blk_rq_is_scsi(rq)) return ide_cdrom_prep_pc(rq); - return 0; + return true; } static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) @@ -818,7 +818,7 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) * We may be retrying this request after an error. Fix up any * weirdness which might be present in the request packet. */ - ide_cdrom_prep_fn(drive, rq); + ide_cdrom_prep_rq(drive, rq); } /* fs requests *must* be hardware frame aligned */ @@ -1521,7 +1521,7 @@ static int ide_cdrom_setup(ide_drive_t *drive) ide_debug_log(IDE_DBG_PROBE, "enter"); - drive->prep_rq = ide_cdrom_prep_fn; + drive->prep_rq = ide_cdrom_prep_rq; blk_queue_dma_alignment(q, 31); blk_queue_update_dma_pad(q, 15); |