block: add gfp_mask argument to blk_rq_map_user and blk_rq_map_user_iov

Currently, blk_rq_map_user and blk_rq_map_user_iov always do
GFP_KERNEL allocation.

This adds gfp_mask argument to blk_rq_map_user and blk_rq_map_user_iov
so sg can use it (sg always does GFP_ATOMIC allocation).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Douglas Gilbert <dougg@torque.net>
Cc: Mike Christie <michaelc@cs.wisc.edu>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
FUJITA Tomonori
2008-08-28 16:17:05 +09:00
committed by Jens Axboe
parent 45333d5a31
commit a3bce90edd
8 changed files with 47 additions and 34 deletions

View File

@ -362,7 +362,7 @@ static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd,
int err;
dprintk("%lx %u\n", uaddr, len);
err = blk_rq_map_user(q, rq, (void *)uaddr, len);
err = blk_rq_map_user(q, rq, (void *)uaddr, len, GFP_KERNEL);
if (err) {
/*
* TODO: need to fixup sg_tablesize, max_segment_size,