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    From"Ed L. Cashin" <>
    DateTue, 26 Jun 2007 14:50:12 -0400
    Subject[PATCH 10/12] add module parameter for users who need more outstanding I/O
    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
    -
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