ide: add ide_end_rq() (v2)
* Move request dequeuing from __ide_end_request() to ide_end_request().
* Rename __ide_end_request() to ide_end_rq() and export it.
* Fix ide_end_rq() to pass original blk_end_request() return value.
* ide_end_dequeued_request() is used only in cdrom_end_request()
so inline it there and then remove the function.
v2:
* Remove needless BUG_ON() while at it (start_request()'s one is enough).
There should be no functional changes caused by this patch.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 0873887..e5fcb28 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -54,10 +54,9 @@
#include <asm/uaccess.h>
#include <asm/io.h>
-static int __ide_end_request(ide_drive_t *drive, struct request *rq,
- int uptodate, unsigned int nr_bytes, int dequeue)
+int ide_end_rq(ide_drive_t *drive, struct request *rq, int uptodate,
+ unsigned int nr_bytes)
{
- int ret = 1;
int error = 0;
if (uptodate <= 0)
@@ -83,14 +82,9 @@
ide_dma_on(drive);
}
- if (!blk_end_request(rq, error, nr_bytes))
- ret = 0;
-
- if (ret == 0 && dequeue)
- drive->hwif->rq = NULL;
-
- return ret;
+ return blk_end_request(rq, error, nr_bytes);
}
+EXPORT_SYMBOL_GPL(ide_end_rq);
/**
* ide_end_request - complete an IDE I/O
@@ -107,6 +101,7 @@
{
unsigned int nr_bytes = nr_sectors << 9;
struct request *rq = drive->hwif->rq;
+ int rc;
if (!nr_bytes) {
if (blk_pc_request(rq))
@@ -115,34 +110,14 @@
nr_bytes = rq->hard_cur_sectors << 9;
}
- return __ide_end_request(drive, rq, uptodate, nr_bytes, 1);
+ rc = ide_end_rq(drive, rq, uptodate, nr_bytes);
+ if (rc == 0)
+ drive->hwif->rq = NULL;
+
+ return rc;
}
EXPORT_SYMBOL(ide_end_request);
-/**
- * ide_end_dequeued_request - complete an IDE I/O
- * @drive: IDE device for the I/O
- * @uptodate:
- * @nr_sectors: number of sectors completed
- *
- * Complete an I/O that is no longer on the request queue. This
- * typically occurs when we pull the request and issue a REQUEST_SENSE.
- * We must still finish the old request but we must not tamper with the
- * queue in the meantime.
- *
- * NOTE: This path does not handle barrier, but barrier is not supported
- * on ide-cd anyway.
- */
-
-int ide_end_dequeued_request(ide_drive_t *drive, struct request *rq,
- int uptodate, int nr_sectors)
-{
- BUG_ON(!blk_rq_started(rq));
-
- return __ide_end_request(drive, rq, uptodate, nr_sectors << 9, 0);
-}
-EXPORT_SYMBOL_GPL(ide_end_dequeued_request);
-
void ide_complete_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 stat, u8 err)
{
struct ide_taskfile *tf = &cmd->tf;