cciss: simplify scatter gather code
cciss: simplify scatter gather code.
Instead of allocating an array of pointers to a structure
containing an SGDescriptor structure, and two other elements
that aren't really used, just allocate SGDescriptor structs.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h
index 2b07bda..ac454fd 100644
--- a/drivers/block/cciss.h
+++ b/drivers/block/cciss.h
@@ -55,12 +55,6 @@
char device_initialized; /* indicates whether dev is initialized */
} drive_info_struct;
-struct Cmd_sg_list {
- SGDescriptor_struct *sgchain;
- dma_addr_t sg_chain_dma;
- int chain_block_size;
-};
-
struct ctlr_info
{
int ctlr;
@@ -89,7 +83,7 @@
int maxsgentries;
int chainsize;
int max_cmd_sgentries;
- struct Cmd_sg_list **cmd_sg_list;
+ SGDescriptor_struct **cmd_sg_list;
# define DOORBELL_INT 0
# define PERF_MODE_INT 1