The return value is just used as a binary yes/no decicsion, so switch
it to a bool instead of the old BLKPREP_* values returned as an int.
Also clean up a few related comments.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/ide/ide-cd.c | 22 +++++++++++-----------
drivers/ide/ide-disk.c | 8 ++++----
drivers/ide/ide-io.c | 4 ++--
include/linux/ide.h | 2 +-
4 files changed, 18 insertions(+), 18 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);
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f8567c8c9dd1..724db9af0d82 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -427,12 +427,12 @@ static void ide_disk_unlock_native_capacity(ide_drive_t *drive)
drive->dev_flags |= IDE_DFLAG_NOHPA; /* disable HPA on resume */
}
-static int idedisk_prep_fn(ide_drive_t *drive, struct request *rq)
+static bool idedisk_prep_rq(ide_drive_t *drive, struct request *rq)
{
struct ide_cmd *cmd;
if (req_op(rq) != REQ_OP_FLUSH)
- return BLKPREP_OK;
+ return true;
if (rq->special) {
cmd = rq->special;
@@ -458,7 +458,7 @@ static int idedisk_prep_fn(ide_drive_t *drive, struct request *rq)
rq->special = cmd;
cmd->rq = rq;
- return BLKPREP_OK;
+ return true;
}
ide_devset_get(multcount, mult_count);
@@ -547,7 +547,7 @@ static void update_flush(ide_drive_t *drive)
if (barrier) {
wc = true;
- drive->prep_rq = idedisk_prep_fn;
+ drive->prep_rq = idedisk_prep_rq;
}
}
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 5093c605c91c..64e72640acf8 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -326,7 +326,7 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
goto kill_rq;
}
- if (drive->prep_rq && drive->prep_rq(drive, rq))
+ if (drive->prep_rq && !drive->prep_rq(drive, rq))
return ide_stopped;
if (ata_pm_request(rq))
@@ -508,7 +508,7 @@ blk_status_t ide_queue_rq(struct blk_mq_hw_ctx *hctx,
/*
* we know that the queue isn't empty, but this can happen
- * if the q->prep_rq_fn() decides to kill a request
+ * if ->prep_rq() decides to kill a request
*/
if (!rq) {
rq = bd->rq;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 079f8bc0b0f4..272704ff21ee 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -529,7 +529,7 @@ struct ide_drive_s {
struct request_queue *queue; /* request queue */
- int (*prep_rq)(struct ide_drive_s *, struct request *);
+ bool (*prep_rq)(struct ide_drive_s *, struct request *);
struct blk_mq_tag_set tag_set;
--
2.19.1
