diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 09:08:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 09:08:13 -0700 |
| commit | b6257a9036f06878a0f02354d5a07f155e1cfee0 (patch) | |
| tree | c0e12e3568199b748ebc7c1f9cf4005ae5da5f36 /drivers/scsi/ide-scsi.c | |
| parent | c548f08a4f7b89b93c805e0c4024b8302afa7121 (diff) | |
| parent | f5c0dde4c66421a3a2d7d6fa604a712c9b0744e5 (diff) | |
Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block
* 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block:
[SCSI] Remove full sg table memset()
[SCSI] ide-scsi: remove usage of sg_last()
Fix loop terminating conditions in fill_sg().
[BLOCK] Clear sg entry before filling in blk_rq_map_sg()
IA64: iommu uses sg_next with an invalid sg element
cciss: disable DMA refetch on Smart Array P600
swiotlb: fix map_sg failure handling
SPARC64: fix iommu sg chaining
[SCSI] ide-scsi: use scsi_sg_count() instead of ->use_sg
Diffstat (limited to 'drivers/scsi/ide-scsi.c')
| -rw-r--r-- | drivers/scsi/ide-scsi.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index d297f64cd43..fa7ba64483f 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -70,7 +70,7 @@ typedef struct idescsi_pc_s { u8 *buffer; /* Data buffer */ u8 *current_position; /* Pointer into the above buffer */ struct scatterlist *sg; /* Scatter gather table */ - struct scatterlist *last_sg; /* Last sg element */ + unsigned int sg_cnt; /* Number of entries in sg */ int b_count; /* Bytes transferred from current entry */ struct scsi_cmnd *scsi_cmd; /* SCSI command */ void (*done)(struct scsi_cmnd *); /* Scsi completion routine */ @@ -192,7 +192,7 @@ static void idescsi_input_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsigne } bcount -= count; pc->b_count += count; if (pc->b_count == pc->sg->length) { - if (pc->sg == pc->last_sg) + if (!--pc->sg_cnt) break; pc->sg = sg_next(pc->sg); pc->b_count = 0; @@ -229,7 +229,7 @@ static void idescsi_output_buffers (ide_drive_t *drive, idescsi_pc_t *pc, unsign } bcount -= count; pc->b_count += count; if (pc->b_count == pc->sg->length) { - if (pc->sg == pc->last_sg) + if (!--pc->sg_cnt) break; pc->sg = sg_next(pc->sg); pc->b_count = 0; @@ -807,7 +807,7 @@ static int idescsi_queue (struct scsi_cmnd *cmd, memcpy (pc->c, cmd->cmnd, cmd->cmd_len); pc->buffer = NULL; pc->sg = scsi_sglist(cmd); - pc->last_sg = sg_last(pc->sg, cmd->use_sg); + pc->sg_cnt = scsi_sg_count(cmd); pc->b_count = 0; pc->request_transfer = pc->buffer_size = scsi_bufflen(cmd); pc->scsi_cmd = cmd; |