diff options
Diffstat (limited to 'drivers/scsi/scsi_lib.c')
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 2179851cdaf3..fcdc585278bf 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -588,10 +588,10 @@ static void scsi_free_sgtable(struct scsi_data_buffer *sdb, bool mq) __sg_free_table(&sdb->table, SCSI_MAX_SG_SEGMENTS, mq, scsi_sg_free); } -static int scsi_alloc_sgtable(struct scsi_data_buffer *sdb, int nents, - gfp_t gfp_mask, bool mq) +static int scsi_alloc_sgtable(struct scsi_data_buffer *sdb, int nents, bool mq) { struct scatterlist *first_chunk = NULL; + gfp_t gfp_mask = mq ? GFP_NOIO : GFP_ATOMIC; int ret; BUG_ON(!nents); @@ -1077,8 +1077,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) } } -static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb, - gfp_t gfp_mask) +static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb) { int count; @@ -1086,7 +1085,7 @@ static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb, * If sg table allocation fails, requeue request later. */ if (unlikely(scsi_alloc_sgtable(sdb, req->nr_phys_segments, - gfp_mask, req->mq_ctx != NULL))) + req->mq_ctx != NULL))) return BLKPREP_DEFER; /* @@ -1111,7 +1110,7 @@ static int scsi_init_sgtable(struct request *req, struct scsi_data_buffer *sdb, * BLKPREP_DEFER if the failure is retryable * BLKPREP_KILL if the failure is fatal */ -int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask) +int scsi_init_io(struct scsi_cmnd *cmd) { struct scsi_device *sdev = cmd->device; struct request *rq = cmd->request; @@ -1120,7 +1119,7 @@ int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask) BUG_ON(!rq->nr_phys_segments); - error = scsi_init_sgtable(rq, &cmd->sdb, gfp_mask); + error = scsi_init_sgtable(rq, &cmd->sdb); if (error) goto err_exit; @@ -1136,8 +1135,7 @@ int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask) rq->next_rq->special = bidi_sdb; } - error = scsi_init_sgtable(rq->next_rq, rq->next_rq->special, - GFP_ATOMIC); + error = scsi_init_sgtable(rq->next_rq, rq->next_rq->special); if (error) goto err_exit; } @@ -1149,7 +1147,7 @@ int scsi_init_io(struct scsi_cmnd *cmd, gfp_t gfp_mask) BUG_ON(prot_sdb == NULL); ivecs = blk_rq_count_integrity_sg(rq->q, rq->bio); - if (scsi_alloc_sgtable(prot_sdb, ivecs, gfp_mask, is_mq)) { + if (scsi_alloc_sgtable(prot_sdb, ivecs, is_mq)) { error = BLKPREP_DEFER; goto err_exit; } @@ -1218,7 +1216,7 @@ static int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req) * submit a request without an attached bio. */ if (req->bio) { - int ret = scsi_init_io(cmd, GFP_ATOMIC); + int ret = scsi_init_io(cmd); if (unlikely(ret)) return ret; } else { |