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authorJens Axboe <jens.axboe@oracle.com>2007-10-16 11:12:37 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-16 11:12:37 +0200
commit0cde8d9510e242c73b2d68f9949cd3c456c863b4 (patch)
tree12f2b2fb9de0db6b9293214fcbd790965195fd38 /drivers/scsi
parent4c2f6d4c282c4d5210221697b9895ad90bc697cb (diff)
scsi: simplify scsi_free_sgtable()
Just pass in the command, no point in passing in the scatterlist and scatterlist pool index seperately. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/scsi_lib.c9
-rw-r--r--drivers/scsi/scsi_tgt_lib.c4
2 files changed, 7 insertions, 6 deletions
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 960f949b8f8..7e1dcc57f11 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -741,13 +741,14 @@ struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *cmd, gfp_t gfp_mask)
EXPORT_SYMBOL(scsi_alloc_sgtable);
-void scsi_free_sgtable(struct scatterlist *sgl, int index)
+void scsi_free_sgtable(struct scsi_cmnd *cmd)
{
+ struct scatterlist *sgl = cmd->request_buffer;
struct scsi_host_sg_pool *sgp;
- BUG_ON(index >= SG_MEMPOOL_NR);
+ BUG_ON(cmd->sglist_len >= SG_MEMPOOL_NR);
- sgp = scsi_sg_pools + index;
+ sgp = scsi_sg_pools + cmd->sglist_len;
mempool_free(sgl, sgp->pool);
}
@@ -773,7 +774,7 @@ EXPORT_SYMBOL(scsi_free_sgtable);
static void scsi_release_buffers(struct scsi_cmnd *cmd)
{
if (cmd->use_sg)
- scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
+ scsi_free_sgtable(cmd);
/*
* Zero these out. They now point to freed memory, and it is
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
index 66c692ffa30..a91761c3645 100644
--- a/drivers/scsi/scsi_tgt_lib.c
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -332,7 +332,7 @@ static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd)
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_free_sgtable(cmd);
queue_work(scsi_tgtd, &tcmd->work);
}
@@ -373,7 +373,7 @@ static int scsi_tgt_init_cmd(struct scsi_cmnd *cmd, gfp_t gfp_mask)
}
eprintk("cmd %p cnt %d\n", cmd, cmd->use_sg);
- scsi_free_sgtable(cmd->request_buffer, cmd->sglist_len);
+ scsi_free_sgtable(cmd);
return -EINVAL;
}