diff options
| author | Jens Axboe <jens.axboe@oracle.com> | 2007-08-07 03:02:51 -0400 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-16 05:12:53 -0400 |
| commit | a8474ce23a73185dd2bae4c884b1716474032d31 (patch) | |
| tree | 63501846b8aaef02579a868f6d5118b6a07c4a5e /include/scsi/scsi.h | |
| parent | 0cde8d9510e242c73b2d68f9949cd3c456c863b4 (diff) | |
SCSI: support for allocating large scatterlists
This is what enables large commands. If we need to allocate an
sgtable that doesn't fit in a single page, allocate several
SCSI_MAX_SG_SEGMENTS sized tables and chain them together.
SCSI defaults to large chained sg tables, if the arch supports it.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'include/scsi/scsi.h')
| -rw-r--r-- | include/scsi/scsi.h | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h index 9f8f80ab0c8b..702fcfeb37f1 100644 --- a/include/scsi/scsi.h +++ b/include/scsi/scsi.h | |||
| @@ -11,13 +11,6 @@ | |||
| 11 | #include <linux/types.h> | 11 | #include <linux/types.h> |
| 12 | 12 | ||
| 13 | /* | 13 | /* |
| 14 | * The maximum sg list length SCSI can cope with | ||
| 15 | * (currently must be a power of 2 between 32 and 256) | ||
| 16 | */ | ||
| 17 | #define SCSI_MAX_PHYS_SEGMENTS MAX_PHYS_SEGMENTS | ||
| 18 | |||
| 19 | |||
| 20 | /* | ||
| 21 | * SCSI command lengths | 14 | * SCSI command lengths |
| 22 | */ | 15 | */ |
| 23 | 16 | ||