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authorMing Lin <ming.l@ssi.samsung.com>2016-04-04 14:48:10 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2016-04-15 16:53:14 -0400
commit65e8617fba17732b4c68d3369a621725838b6f28 (patch)
treee9adae8498a721ad58c7917283076e3bdbd73a2b /include/scsi
parent001d63be61c3b5a0413a46bacafbfc60c353951a (diff)
downloadblackbird-op-linux-65e8617fba17732b4c68d3369a621725838b6f28.tar.gz
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scsi: rename SCSI_MAX_{SG, SG_CHAIN}_SEGMENTS
Rename SCSI_MAX_SG_SEGMENTS to SG_CHUNK_SIZE, which means the amount we fit into a single scatterlist chunk. Rename SCSI_MAX_SG_CHAIN_SEGMENTS to SG_MAX_SEGMENTS. Will move these 2 generic definitions to scatterlist.h later. Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Bart Van Assche <bart.vanassche@sandisk.com> (for ib_srp changes) Signed-off-by: Ming Lin <ming.l@ssi.samsung.com> Acked-by: Tejun Heo <tj@kernel.org> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi.h8
-rw-r--r--include/scsi/scsi_host.h2
2 files changed, 5 insertions, 5 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index e0a3398b1547..74dafa75bae7 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -24,16 +24,16 @@ enum scsi_timeouts {
* to SG_MAX_SINGLE_ALLOC to pack correctly at the highest order. The
* minimum value is 32
*/
-#define SCSI_MAX_SG_SEGMENTS 128
+#define SG_CHUNK_SIZE 128
/*
- * Like SCSI_MAX_SG_SEGMENTS, but for archs that have sg chaining. This limit
+ * Like SG_CHUNK_SIZE, but for archs that have sg chaining. This limit
* is totally arbitrary, a setting of 2048 will get you at least 8mb ios.
*/
#ifdef CONFIG_ARCH_HAS_SG_CHAIN
-#define SCSI_MAX_SG_CHAIN_SEGMENTS 2048
+#define SG_MAX_SEGMENTS 2048
#else
-#define SCSI_MAX_SG_CHAIN_SEGMENTS SCSI_MAX_SG_SEGMENTS
+#define SG_MAX_SEGMENTS SG_CHUNK_SIZE
#endif
/*
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index fcfa3d7f5e7e..76e9d278c334 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -37,7 +37,7 @@ struct blk_queue_tags;
* used in one scatter-gather request.
*/
#define SG_NONE 0
-#define SG_ALL SCSI_MAX_SG_SEGMENTS
+#define SG_ALL SG_CHUNK_SIZE
#define MODE_UNKNOWN 0x00
#define MODE_INITIATOR 0x01
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