Add module parameter for users who need more outstanding I/O.
Signed-off-by: Ed L. Cashin <[email protected]>
---
drivers/block/aoe/aoecmd.c | 10 +++++++---
1 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 8d6540b..9de0024 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -17,6 +17,11 @@ static int aoe_deadsecs = 60 * 3;
module_param(aoe_deadsecs, int, 0644);
MODULE_PARM_DESC(aoe_deadsecs, "After aoe_deadsecs seconds, give up and fail dev.");
+static int aoe_maxout = 16;
+module_param(aoe_maxout, int, 0644);
+MODULE_PARM_DESC(aoe_maxout,
+ "Only aoe_maxout outstanding packets for every MAC on eX.Y.");
+
static struct sk_buff *
new_skb(ulong len)
{
@@ -967,7 +972,6 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
struct aoeif *ifp;
ulong flags, sysminor, aoemajor;
struct sk_buff *sl;
- enum { MAXFRAMES = 16 };
u16 n;
h = aoe_hdr(skb);
@@ -992,8 +996,8 @@ aoecmd_cfg_rsp(struct sk_buff *skb)
}
n = be16_to_cpu(ch->bufcnt);
- if (n > MAXFRAMES) /* keep it reasonable */
- n = MAXFRAMES;
+ if (n > aoe_maxout) /* keep it reasonable */
+ n = aoe_maxout;
d = aoedev_by_sysminor_m(sysminor);
if (d == NULL) {
--
1.5.2.1
-
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