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| author | Tejun Heo <tj@kernel.org> | 2009-04-23 11:05:20 +0900 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-04-28 07:37:36 +0200 |
| commit | 731ec497e5888c6792ad62613ae9be97eebcd7ca (patch) | |
| tree | 689a8442d8bdfd50ee6ab05b0c6acd0d229fe391 /block | |
| parent | ec24751a6b57e1373a12361e581b2458bc9bb791 (diff) | |
| download | kernel_samsung_smdk4412-731ec497e5888c6792ad62613ae9be97eebcd7ca.tar.gz kernel_samsung_smdk4412-731ec497e5888c6792ad62613ae9be97eebcd7ca.tar.bz2 kernel_samsung_smdk4412-731ec497e5888c6792ad62613ae9be97eebcd7ca.zip | |
block: kill rq->data
Now that all block request data transfer is done via bio, rq->data
isn't used. Kill it.
While at it, make the roles of rq->special and buffer clear.
[ Impact: drop now unncessary field from struct request ]
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Boaz Harrosh <bharrosh@panasas.com>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 5 | ||||
| -rw-r--r-- | block/blk-map.c | 6 | ||||
| -rw-r--r-- | block/scsi_ioctl.c | 1 |
3 files changed, 5 insertions, 7 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 0520cc70458..6dd180cf15d 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -189,10 +189,9 @@ void blk_dump_rq_flags(struct request *rq, char *msg) (unsigned long long)rq->sector, rq->nr_sectors, rq->current_nr_sectors); - printk(KERN_INFO " bio %p, biotail %p, buffer %p, data %p, len %u\n", + printk(KERN_INFO " bio %p, biotail %p, buffer %p, len %u\n", rq->bio, rq->biotail, - rq->buffer, rq->data, - rq->data_len); + rq->buffer, rq->data_len); if (blk_pc_request(rq)) { printk(KERN_INFO " cdb: "); diff --git a/block/blk-map.c b/block/blk-map.c index f103729b462..694fefad34e 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -156,7 +156,7 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq, if (!bio_flagged(bio, BIO_USER_MAPPED)) rq->cmd_flags |= REQ_COPY_USER; - rq->buffer = rq->data = NULL; + rq->buffer = NULL; return 0; unmap_rq: blk_rq_unmap_user(bio); @@ -235,7 +235,7 @@ int blk_rq_map_user_iov(struct request_queue *q, struct request *rq, blk_queue_bounce(q, &bio); bio_get(bio); blk_rq_bio_prep(q, rq, bio); - rq->buffer = rq->data = NULL; + rq->buffer = NULL; return 0; } EXPORT_SYMBOL(blk_rq_map_user_iov); @@ -313,7 +313,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, blk_rq_bio_prep(q, rq, bio); blk_queue_bounce(q, &rq->bio); - rq->buffer = rq->data = NULL; + rq->buffer = NULL; return 0; } EXPORT_SYMBOL(blk_rq_map_kern); diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c index 82a0ca2f672..bb9aa43551b 100644 --- a/block/scsi_ioctl.c +++ b/block/scsi_ioctl.c @@ -500,7 +500,6 @@ static int __blk_send_generic(struct request_queue *q, struct gendisk *bd_disk, rq = blk_get_request(q, WRITE, __GFP_WAIT); rq->cmd_type = REQ_TYPE_BLOCK_PC; - rq->data = NULL; rq->data_len = 0; rq->extra_len = 0; rq->timeout = BLK_DEFAULT_SG_TIMEOUT; |