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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-07-04 03:30:03 -0400
committerJens Axboe <jens.axboe@oracle.com>2008-07-04 03:52:13 -0400
commit27f8221af406e43b529a5425bc99c9b1e9bdf521 (patch)
tree6e847b9359327449b77d4b6350cc9d44fd9208b6 /drivers/ata/libata-scsi.c
parent2610324fcacf38a24b630090ebcb802538763187 (diff)
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/ata/libata-scsi.c')
-rw-r--r--drivers/ata/libata-scsi.c3
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,
885 /* set the min alignment and padding */ 885 /* set the min alignment and padding */
886 blk_queue_update_dma_alignment(sdev->request_queue, 886 blk_queue_update_dma_alignment(sdev->request_queue,
887 ATA_DMA_PAD_SZ - 1); 887 ATA_DMA_PAD_SZ - 1);
888 blk_queue_dma_pad(sdev->request_queue, ATA_DMA_PAD_SZ - 1); 888 blk_queue_update_dma_pad(sdev->request_queue,
889 ATA_DMA_PAD_SZ - 1);
889 890
890 /* configure draining */ 891 /* configure draining */
891 buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL); 892 buf = kmalloc(ATAPI_MAX_DRAIN, q->bounce_gfp | GFP_KERNEL);