diff options
| author | Bartlomiej Zolnierkiewicz <bzolnier@trik.(none)> | 2004-10-22 23:06:43 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@trik.(none)> | 2004-10-22 23:06:43 +0200 |
| commit | de56da83f3b70cb348ae60c9421e6a7dd91f8ac0 (patch) | |
| tree | c62730663df2bc0aaa2d076fc73f16970cb06a89 /include/linux | |
| parent | ae021d4bfcf77d57da773fabae8e738ed4b0321f (diff) | |
[ide] ide-scsi: simplify+speedup DMA support
* add hwif->sg_mapped flag
* add idescsi_map_sg() converting scsi_cmd->sg into
hwif->sg_table (this removes need for rq->bio)
* remove code (de)allocating rq->bio
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/ide.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 2b97d5f6a470..b1e10fea86fc 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -938,6 +938,7 @@ typedef struct hwif_s { unsigned no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */ unsigned no_dsc : 1; /* 0 default, 1 dsc_overlap disabled */ unsigned auto_poll : 1; /* supports nop auto-poll */ + unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ struct device gendev; struct semaphore gendev_rel_sem; /* To deal with device release() */ |