if (!cmd)
goto release_rq;
- memset(cmd, 0, sizeof(*cmd));
cmd->sc_data_direction = data_dir;
cmd->jiffies_at_alloc = jiffies;
cmd->request = rq;
container_of(work, struct scsi_tgt_cmd, work);
struct scsi_cmnd *cmd = tcmd->rq->special;
- dprintk("cmd %p %d %lu\n", cmd, cmd->sc_data_direction,
+ dprintk("cmd %p %d %u\n", cmd, cmd->sc_data_direction,
rq_data_dir(cmd->request));
scsi_unmap_user_pages(tcmd);
scsi_host_put_command(scsi_tgt_cmd_to_host(cmd), cmd);
EXPORT_SYMBOL_GPL(scsi_tgt_queue_command);
/*
- * This is run from a interrpt handler normally and the unmap
+ * This is run from a interrupt handler normally and the unmap
* needs process context so we must queue
*/
static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd)
{
struct scsi_tgt_cmd *tcmd = cmd->request->end_io_data;
- dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request));
+ dprintk("cmd %p %u\n", cmd, rq_data_dir(cmd->request));
scsi_tgt_uspace_send_status(cmd, tcmd->itn_id, tcmd->tag);
- if (cmd->request_buffer)
- scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
+ scsi_release_buffers(cmd);
queue_work(scsi_tgtd, &tcmd->work);
}
struct Scsi_Host *shost = scsi_tgt_cmd_to_host(cmd);
int err;
- dprintk("cmd %p %lu\n", cmd, rq_data_dir(cmd->request));
+ dprintk("cmd %p %u\n", cmd, rq_data_dir(cmd->request));
err = shost->hostt->transfer_response(cmd, scsi_tgt_cmd_done);
switch (err) {
return 0;
}
-static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask)
-{
- struct request *rq = cmd->request;
- int count;
-
- cmd->use_sg = rq->nr_phys_segments;
- cmd->request_buffer = scsi_alloc_sgtable(cmd, gfp_mask);
- if (!cmd->request_buffer)
- return -ENOMEM;
-
- cmd->request_bufflen = rq->data_len;
-
- dprintk("cmd %p cnt %d %lu\n", cmd, cmd->use_sg, rq_data_dir(rq));
- count = blk_rq_map_sg(rq->q, rq, cmd->request_buffer);
- if (likely(count <= cmd->use_sg)) {
- cmd->use_sg = count;
- return 0;
- }
-
- eprintk("cmd %p cnt %d\n", cmd, cmd->use_sg);
- scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
- return -EINVAL;
-}
-
/* TODO: test this crap and replace bio_map_user with new interface maybe */
static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd,
unsigned long uaddr, unsigned int len, int rw)
}
tcmd->bio = rq->bio;
- err = scsi_tgt_init_cmd(cmd, GFP_KERNEL);
- if (err)
+ err = scsi_init_io(cmd, GFP_KERNEL);
+ if (err) {
+ scsi_release_buffers(cmd);
goto unmap_rq;
+ }
+ /*
+ * we use REQ_TYPE_BLOCK_PC so scsi_init_io doesn't set the
+ * length for us.
+ */
+ cmd->sdb.length = rq->data_len;
return 0;
}
cmd = rq->special;
- dprintk("cmd %p scb %x result %d len %d bufflen %u %lu %x\n",
- cmd, cmd->cmnd[0], result, len, cmd->request_bufflen,
+ dprintk("cmd %p scb %x result %d len %d bufflen %u %u %x\n",
+ cmd, cmd->cmnd[0], result, len, scsi_bufflen(cmd),
rq_data_dir(rq), cmd->cmnd[0]);
if (result == TASK_ABORTED) {
struct Scsi_Host *shost;
int err = -EINVAL;
- dprintk("%d %d %llx\n", host_no, result, (unsigned long long) mid);
+ dprintk("%d %d%llx\n", host_no, result, (unsigned long long)itn_id);
shost = scsi_host_lookup(host_no);
if (IS_ERR(shost)) {
{
int err;
- scsi_tgt_cmd_cache = kmem_cache_create("scsi_tgt_cmd",
- sizeof(struct scsi_tgt_cmd),
- 0, 0, NULL);
+ scsi_tgt_cmd_cache = KMEM_CACHE(scsi_tgt_cmd, 0);
if (!scsi_tgt_cmd_cache)
return -ENOMEM;