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authorNicolás Reynolds <apoyosis@correo.inta.gob.ar>2011-03-16 13:41:00 -0300
committerNicolás Reynolds <apoyosis@correo.inta.gob.ar>2011-03-16 13:41:00 -0300
commit5af9b6bf49c2179e9d73592f18b0eeb6478a3ec7 (patch)
treeb17d9806c8e19b91f4b5ca990d9cf274d95419a8 /libre/kernel26-libre-lts/libata-alignment.patch
parentbdee87d6999868e7bf83cd276c9e6117581891d8 (diff)
kernel26-libre-lts-2.6.32.33-1
Diffstat (limited to 'libre/kernel26-libre-lts/libata-alignment.patch')
-rw-r--r--libre/kernel26-libre-lts/libata-alignment.patch48
1 files changed, 0 insertions, 48 deletions
diff --git a/libre/kernel26-libre-lts/libata-alignment.patch b/libre/kernel26-libre-lts/libata-alignment.patch
deleted file mode 100644
index edd96f3b1..000000000
--- a/libre/kernel26-libre-lts/libata-alignment.patch
+++ /dev/null
@@ -1,48 +0,0 @@
-diff -Nur linux-2.6.32.orig/drivers/ata/libata-scsi.c linux-2.6.32/drivers/ata/libata-scsi.c
---- linux-2.6.32.orig/drivers/ata/libata-scsi.c 2009-12-03 14:51:21.000000000 +1100
-+++ linux-2.6.32/drivers/ata/libata-scsi.c 2011-01-22 20:32:53.353775375 +1100
-@@ -1099,13 +1099,13 @@
- /* configure max sectors */
- blk_queue_max_sectors(sdev->request_queue, dev->max_sectors);
-
-+ sdev->sector_size = ATA_SECT_SIZE;
-+
- if (dev->class == ATA_DEV_ATAPI) {
- struct request_queue *q = sdev->request_queue;
- void *buf;
-
-- /* set the min alignment and padding */
-- blk_queue_update_dma_alignment(sdev->request_queue,
-- ATA_DMA_PAD_SZ - 1);
-+ /* set DMA padding */
- blk_queue_update_dma_pad(sdev->request_queue,
- ATA_DMA_PAD_SZ - 1);
-
-@@ -1119,12 +1119,24 @@
-
- blk_queue_dma_drain(q, atapi_drain_needed, buf, ATAPI_MAX_DRAIN);
- } else {
-- /* ATA devices must be sector aligned */
-- blk_queue_update_dma_alignment(sdev->request_queue,
-- ATA_SECT_SIZE - 1);
- sdev->manage_start_stop = 1;
- }
-
-+ /*
-+ * ata_pio_sectors() expects buffer for each sector to not cross
-+ * page boundary. Enforce it by requiring buffers to be sector
-+ * aligned, which works iff sector_size is not larger than
-+ * PAGE_SIZE. ATAPI devices also need the alignment as
-+ * IDENTIFY_PACKET is executed as ATA_PROT_PIO.
-+ */
-+ if (sdev->sector_size > PAGE_SIZE)
-+ ata_dev_printk(dev, KERN_WARNING,
-+ "sector_size=%u > PAGE_SIZE, PIO may malfunction\n",
-+ sdev->sector_size);
-+
-+ blk_queue_update_dma_alignment(sdev->request_queue,
-+ sdev->sector_size - 1);
-+
- if (dev->flags & ATA_DFLAG_AN)
- set_bit(SDEV_EVT_MEDIA_CHANGE, sdev->supported_events);
-