diff options
| author | Asai Thambi S P <asamymuthupa@micron.com> | 2012-02-07 07:54:31 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-02-07 07:54:31 +0100 |
| commit | 4e8670e26135d8fbfd5e084fddc1a8ed9f8eb4cb (patch) | |
| tree | 021fb58db4c30af36a8ee47ab0c41a5fe020ab12 /drivers/block/mtip32xx | |
| parent | 11a3122f6cf2d988a77eb8883d0fc49cd013a6d5 (diff) | |
mtip32xx: removed the irrelevant argument of mtip_hw_submit_io() and the unused member of struct driver_data
Removed the following:
* irrelevant argument 'barrier' of mtip_hw_submit_io()
* unused member 'eh_active' of struct driver_data
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/mtip32xx')
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.c | 11 | ||||
| -rw-r--r-- | drivers/block/mtip32xx/mtip32xx.h | 5 |
2 files changed, 5 insertions, 11 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. */ diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index 723d7c4946d..e0554a8f223 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -104,9 +104,6 @@ /* BAR number used to access the HBA registers. */ #define MTIP_ABAR 5 -/* Forced Unit Access Bit */ -#define FUA_BIT 0x80 - #ifdef DEBUG #define dbg_printk(format, arg...) \ printk(pr_fmt(format), ##arg); @@ -415,8 +412,6 @@ struct driver_data { atomic_t resumeflag; /* Atomic variable to track suspend/resume */ - atomic_t eh_active; /* Flag for error handling tracking */ - struct task_struct *mtip_svc_handler; /* task_struct of svc thd */ }; |