From: "Ed L. Cashin" <ecashin@coraid.com>
To: linux-kernel@vger.kernel.org
Cc: Greg K-H <greg@kroah.com>, ecashin@coraid.com
Subject: [PATCH 10/12] add module parameter for users who need more outstanding I/O
Date: Tue, 26 Jun 2007 14:50:12 -0400 [thread overview]
Message-ID: <772666addf79d3a3675f5f460228532fcd8f7364.1182883861.git.ecashin@coraid.com> (raw)
In-Reply-To: <1d8423c28c48a6d26516cdc707dbcdf015a4e347.1182883861.git.ecashin@coraid.com>
Add module parameter for users who need more outstanding I/O.
Signed-off-by: Ed L. Cashin <ecashin@coraid.com>
---
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
next prev parent reply other threads:[~2007-06-26 19:06 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-26 18:50 [PATCH 01/12] bring driver version number to 47 Ed L. Cashin
2007-06-26 18:50 ` [PATCH 03/12] mac_addr: avoid 64-bit arch compiler warnings Ed L. Cashin
2007-06-26 18:50 ` [PATCH 02/12] handle multiple network paths to AoE device Ed L. Cashin
2007-07-03 4:29 ` Andrew Morton
2007-07-11 14:46 ` Ed L. Cashin
2007-07-16 22:17 ` [PATCH] stacked ifs (was Re: [PATCH 02/12] handle multiple network paths to AoE device) Ed L. Cashin
2007-07-16 22:31 ` Andrew Morton
2007-07-17 0:01 ` Greg KH
2007-07-18 15:24 ` Jan Engelhardt
2007-06-26 18:50 ` [PATCH 05/12] eliminate goto and improve readability Ed L. Cashin
2007-06-26 18:50 ` [PATCH 07/12] use a dynamic pool of sk_buffs to keep up with fast targets Ed L. Cashin
2007-07-03 4:36 ` Andrew Morton
2007-07-03 4:40 ` David Miller
2007-07-03 18:45 ` Matt Mackall
2007-07-03 19:18 ` Stephen Hemminger
2007-07-06 17:09 ` Ed L. Cashin
2007-06-26 18:50 ` [PATCH 06/12] user can ask driver to forget previously detected devices Ed L. Cashin
2007-06-26 18:50 ` [PATCH 04/12] clean up udev configuration example Ed L. Cashin
2007-06-26 18:50 ` [PATCH 12/12] the aoeminor doesn't need a long format Ed L. Cashin
2007-06-26 19:51 ` Randy Dunlap
2007-06-26 19:59 ` Ed L. Cashin
2007-06-26 18:50 ` Ed L. Cashin [this message]
2007-07-03 4:41 ` [PATCH 10/12] add module parameter for users who need more outstanding I/O Andrew Morton
2007-06-26 18:50 ` [PATCH 11/12] remove extra space in prototypes for consistency Ed L. Cashin
2007-06-26 18:50 ` [PATCH 09/12] remove race between use and initialization of locks Ed L. Cashin
2007-07-03 4:38 ` Andrew Morton
2007-06-26 18:50 ` [PATCH 08/12] only schedule work once Ed L. Cashin
2007-07-03 4:37 ` Andrew Morton
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