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| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2008-07-04 09:30:03 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-07-04 09:52:13 +0200 |
| commit | 27f8221af406e43b529a5425bc99c9b1e9bdf521 (patch) | |
| tree | 6e847b9359327449b77d4b6350cc9d44fd9208b6 /drivers | |
| parent | 2610324fcacf38a24b630090ebcb802538763187 (diff) | |
| download | lwn-27f8221af406e43b529a5425bc99c9b1e9bdf521.tar.gz lwn-27f8221af406e43b529a5425bc99c9b1e9bdf521.zip | |
block: add blk_queue_update_dma_pad
This adds blk_queue_update_dma_pad to prevent LLDs from overwriting
the dma pad mask wrongly (we added blk_queue_update_dma_alignment due
to the same reason).
This also converts libata to use blk_queue_update_dma_pad instead of
blk_queue_dma_pad.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Tejun Heo <htejun@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 57a43649a461..499ccc628d81 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -885,7 +885,8 @@ static int ata_scsi_dev_config(struct scsi_device *sdev, /* set the min alignment and padding */ blk_queue_update_dma_alignment(sdev->request_queue, ATA_DMA_PAD_SZ - 1); - blk_queue_dma_pad(sdev->request_queue, ATA_DMA_PAD_SZ - 1); + blk_queue_update_dma_pad(sdev->request_queue, + ATA_DMA_PAD_SZ - 1); /* configure draining */ buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL); |