Messages in this thread Patch in this message | | | From | Jens Axboe <> | Subject | [PATCH 8/10] scsi: simplify scsi_free_sgtable() | Date | Wed, 16 May 2007 10:31:38 +0200 |
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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> --- drivers/scsi/scsi_lib.c | 9 +++++---- drivers/scsi/scsi_tgt_lib.c | 4 ++-- include/scsi/scsi_cmnd.h | 2 +- 3 files changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 9355c5b..332fb74 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -745,13 +745,14 @@ 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); } @@ -777,7 +778,7 @@ 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 2570f48..d6e58e5 100644 --- a/drivers/scsi/scsi_tgt_lib.c +++ b/drivers/scsi/scsi_tgt_lib.c @@ -329,7 +329,7 @@ static void scsi_tgt_cmd_done(struct scsi_cmnd *cmd) scsi_tgt_uspace_send_status(cmd, 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); } @@ -370,7 +370,7 @@ 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; } diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index a2e0c10..d7db992 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -133,6 +133,6 @@ extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count, extern void scsi_kunmap_atomic_sg(void *virt); extern struct scatterlist *scsi_alloc_sgtable(struct scsi_cmnd *, gfp_t); -extern void scsi_free_sgtable(struct scatterlist *, int); +extern void scsi_free_sgtable(struct scsi_cmnd *); #endif /* _SCSI_SCSI_CMND_H */ -- 1.5.2.rc1 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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