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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-27 12:46:42 +0100 |
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committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-03-27 12:46:42 +0100 |
commit | 1caf236dafb7291f9fdfe54b12dd945aec0dca03 (patch) | |
tree | 0cd324f68b27ee15958739bca362941be380b3fb /drivers/ide/ide-io.c | |
parent | 1713788ff8e191de5da707ed8144698b32771f99 (diff) | |
download | op-kernel-dev-1caf236dafb7291f9fdfe54b12dd945aec0dca03.zip op-kernel-dev-1caf236dafb7291f9fdfe54b12dd945aec0dca03.tar.gz |
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>
Diffstat (limited to 'drivers/ide/ide-io.c')
-rw-r--r-- | drivers/ide/ide-io.c | 45 |
1 files changed, 10 insertions, 35 deletions
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 @@ static int __ide_end_request(ide_drive_t *drive, struct request *rq, 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 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors) { unsigned int nr_bytes = nr_sectors << 9; struct request *rq = drive->hwif->rq; + int rc; if (!nr_bytes) { if (blk_pc_request(rq)) @@ -115,33 +110,13 @@ int ide_end_request (ide_drive_t *drive, int uptodate, int nr_sectors) nr_bytes = rq->hard_cur_sectors << 9; } - return __ide_end_request(drive, rq, uptodate, nr_bytes, 1); -} -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)); + rc = ide_end_rq(drive, rq, uptodate, nr_bytes); + if (rc == 0) + drive->hwif->rq = NULL; - return __ide_end_request(drive, rq, uptodate, nr_sectors << 9, 0); + return rc; } -EXPORT_SYMBOL_GPL(ide_end_dequeued_request); +EXPORT_SYMBOL(ide_end_request); void ide_complete_cmd(ide_drive_t *drive, struct ide_cmd *cmd, u8 stat, u8 err) { |