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authorJoe Carnuccio <joe.carnuccio@qlogic.com>2014-09-25 05:16:33 -0400
committerChristoph Hellwig <hch@lst.de>2014-09-25 14:25:01 +0200
commitaa2dc3727a934e63a74e6dd5f017d263d9baa70a (patch)
treee4138ffe708ef11b8c988cb16288545ec0628bb9
parent299f5e27ac5fac42f5be38a1cdf004b4e8217cbf (diff)
downloadop-kernel-dev-aa2dc3727a934e63a74e6dd5f017d263d9baa70a.zip
op-kernel-dev-aa2dc3727a934e63a74e6dd5f017d263d9baa70a.tar.gz
qla2xxx: ISP27xx optimize fwdump entry table lookup.
Since the entry call array is sorted in order of entry type opcode, the search can be terminated as soon as the search key is exceeded. Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--drivers/scsi/qla2xxx/qla_tmpl.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_tmpl.c b/drivers/scsi/qla2xxx/qla_tmpl.c
index 252de5d..29271cc 100644
--- a/drivers/scsi/qla2xxx/qla_tmpl.c
+++ b/drivers/scsi/qla2xxx/qla_tmpl.c
@@ -726,7 +726,7 @@ qla27xx_fwdt_entry_other(struct scsi_qla_host *vha,
}
struct qla27xx_fwdt_entry_call {
- int type;
+ uint type;
int (*call)(
struct scsi_qla_host *,
struct qla27xx_fwdt_entry *,
@@ -759,15 +759,17 @@ static struct qla27xx_fwdt_entry_call ql27xx_fwdt_entry_call_list[] = {
{ -1 , qla27xx_fwdt_entry_other }
};
-static inline int (*qla27xx_find_entry(int type))
+static inline int (*qla27xx_find_entry(uint type))
(struct scsi_qla_host *, struct qla27xx_fwdt_entry *, void *, ulong *)
{
struct qla27xx_fwdt_entry_call *list = ql27xx_fwdt_entry_call_list;
- while (list->type != -1 && list->type != type)
+ while (list->type < type)
list++;
- return list->call;
+ if (list->type == type)
+ return list->call;
+ return qla27xx_fwdt_entry_other;
}
static inline void *
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