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author | David S. Miller <davem@davemloft.net> | 2008-02-23 20:38:20 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2008-02-23 20:38:20 -0800 |
commit | 8d3c202be23c5a915f7053ebd4e96f44700c6a62 (patch) | |
tree | e0f017aff86d3ad0b858fe85f44e11096087ed00 /include/scsi/scsi_host.h | |
parent | 1b04ab4597725f75f94942da9aa40daa7b9a4bd9 (diff) | |
parent | 038eb0ea04b245351be34b0ae76b55eee4603989 (diff) | |
download | op-kernel-dev-8d3c202be23c5a915f7053ebd4e96f44700c6a62.zip op-kernel-dev-8d3c202be23c5a915f7053ebd4e96f44700c6a62.tar.gz |
Merge branch 'master' of ../linux-2.6/
Diffstat (limited to 'include/scsi/scsi_host.h')
-rw-r--r-- | include/scsi/scsi_host.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index d1299e9..530ff4c 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -6,6 +6,7 @@ #include <linux/types.h> #include <linux/workqueue.h> #include <linux/mutex.h> +#include <scsi/scsi.h> struct request_queue; struct block_device; @@ -25,12 +26,15 @@ struct blk_queue_tags; * NONE: Self evident. Host adapter is not capable of scatter-gather. * ALL: Means that the host adapter module can do scatter-gather, * and that there is no limit to the size of the table to which - * we scatter/gather data. + * we scatter/gather data. The value we set here is the maximum + * single element sglist. To use chained sglists, the adapter + * has to set a value beyond ALL (and correctly use the chain + * handling API. * Anything else: Indicates the maximum number of chains that can be * used in one scatter-gather request. */ #define SG_NONE 0 -#define SG_ALL 0xff +#define SG_ALL SCSI_MAX_SG_SEGMENTS #define MODE_UNKNOWN 0x00 #define MODE_INITIATOR 0x01 |