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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-03-19 13:41:24 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-03-19 13:41:24 -0300
commit9ce28d827f74d0acdd058bded8bab5309b0f5c8f (patch)
tree634f22e8df9c7fd3966b3639e3e997436751ca50 /drivers/block/mtip32xx/mtip32xx.c
parentf074ff92b5b26f3a559fab1203c36e140ea8d067 (diff)
parentc16fa4f2ad19908a47c63d8fa436a1178438c7e7 (diff)
Merge tag 'v3.3' into staging/for_v3.4
* tag 'v3.3': (1646 commits) Linux 3.3 Don't limit non-nested epoll paths netfilter: ctnetlink: fix race between delete and timeout expiration ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu. nilfs2: fix NULL pointer dereference in nilfs_load_super_block() nilfs2: clamp ns_r_segments_percentage to [1, 99] afs: Remote abort can cause BUG in rxrpc code afs: Read of file returns EBADMSG C6X: remove dead code from entry.S wimax/i2400m: fix erroneous NETDEV_TX_BUSY use net/hyperv: fix erroneous NETDEV_TX_BUSY use net/usbnet: reserve headroom on rx skbs bnx2x: fix memory leak in bnx2x_init_firmware() bnx2x: fix a crash on corrupt firmware file sch_sfq: revert dont put new flow at the end of flows ipv6: fix icmp6_dst_alloc() MAINTAINERS: Add Serge as maintainer of capabilities drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode MAINTAINERS: add entry for exynos mipi display drivers MAINTAINERS: fix link to Gustavo Padovans tree ...
Diffstat (limited to 'drivers/block/mtip32xx/mtip32xx.c')
-rw-r--r--drivers/block/mtip32xx/mtip32xx.c11
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index b74eab70c3d..8eb81c96608 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -2068,8 +2068,6 @@ static int mtip_hw_ioctl(struct driver_data *dd, unsigned int cmd,
* when the read completes.
* @data Callback data passed to the callback function
* when the read completes.
- * @barrier If non-zero, this command must be completed before
- * issuing any other commands.
* @dir Direction (read or write)
*
* return value
@@ -2077,7 +2075,7 @@ static int mtip_hw_ioctl(struct driver_data *dd, unsigned int cmd,
*/
static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
int nsect, int nents, int tag, void *callback,
- void *data, int barrier, int dir)
+ void *data, int dir)
{
struct host_to_dev_fis *fis;
struct mtip_port *port = dd->port;
@@ -2108,8 +2106,6 @@ static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
*((unsigned int *) &fis->lba_low) = (start & 0xFFFFFF);
*((unsigned int *) &fis->lba_low_ex) = ((start >> 24) & 0xFFFFFF);
fis->device = 1 << 6;
- if (barrier)
- fis->device |= FUA_BIT;
fis->features = nsect & 0xFF;
fis->features_ex = (nsect >> 8) & 0xFF;
fis->sect_count = ((tag << 3) | (tag >> 5));
@@ -3087,7 +3083,6 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
tag,
bio_endio,
bio,
- bio->bi_rw & REQ_FUA,
bio_data_dir(bio));
} else
bio_io_error(bio);
@@ -3187,6 +3182,10 @@ skip_create_disk:
blk_queue_max_segments(dd->queue, MTIP_MAX_SG);
blk_queue_physical_block_size(dd->queue, 4096);
blk_queue_io_min(dd->queue, 4096);
+ /*
+ * write back cache is not supported in the device. FUA depends on
+ * write back cache support, hence setting flush support to zero.
+ */
blk_queue_flush(dd->queue, 0);
/* Set the capacity of the device in 512 byte sectors. */