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author | Steven Rostedt <srostedt@redhat.com> | 2010-05-14 09:29:52 -0400 |
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committer | Steven Rostedt <rostedt@goodmis.org> | 2010-05-14 09:29:52 -0400 |
commit | 23e117fa44429cc054cb27d5621d64e4ced91e52 (patch) | |
tree | a4b9d0902b9c6f009b2c297515221c1b9bed3af8 /drivers/scsi/ibmvscsi/ibmvscsi.c | |
parent | 668eb65f092902eb7dd526af73d4a7f025a94612 (diff) | |
parent | a93d2f1744206827ccf416e2cdc5018aa503314e (diff) | |
download | blackbird-op-linux-23e117fa44429cc054cb27d5621d64e4ced91e52.tar.gz blackbird-op-linux-23e117fa44429cc054cb27d5621d64e4ced91e52.zip |
Merge branch 'sched/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-4
Diffstat (limited to 'drivers/scsi/ibmvscsi/ibmvscsi.c')
-rw-r--r-- | drivers/scsi/ibmvscsi/ibmvscsi.c | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index ff5ec5ac1fb5..88bad0e81bdd 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -323,16 +323,6 @@ static void set_srp_direction(struct scsi_cmnd *cmd, srp_cmd->buf_fmt = fmt; } -static void unmap_sg_list(int num_entries, - struct device *dev, - struct srp_direct_buf *md) -{ - int i; - - for (i = 0; i < num_entries; ++i) - dma_unmap_single(dev, md[i].va, md[i].len, DMA_BIDIRECTIONAL); -} - /** * unmap_cmd_data: - Unmap data pointed in srp_cmd based on the format * @cmd: srp_cmd whose additional_data member will be unmapped @@ -350,24 +340,9 @@ static void unmap_cmd_data(struct srp_cmd *cmd, if (out_fmt == SRP_NO_DATA_DESC && in_fmt == SRP_NO_DATA_DESC) return; - else if (out_fmt == SRP_DATA_DESC_DIRECT || - in_fmt == SRP_DATA_DESC_DIRECT) { - struct srp_direct_buf *data = - (struct srp_direct_buf *) cmd->add_data; - dma_unmap_single(dev, data->va, data->len, DMA_BIDIRECTIONAL); - } else { - struct srp_indirect_buf *indirect = - (struct srp_indirect_buf *) cmd->add_data; - int num_mapped = indirect->table_desc.len / - sizeof(struct srp_direct_buf); - if (num_mapped <= MAX_INDIRECT_BUFS) { - unmap_sg_list(num_mapped, dev, &indirect->desc_list[0]); - return; - } - - unmap_sg_list(num_mapped, dev, evt_struct->ext_list); - } + if (evt_struct->cmnd) + scsi_dma_unmap(evt_struct->cmnd); } static int map_sg_list(struct scsi_cmnd *cmd, int nseg, |