---

yaml --- r: 346469 b: refs/heads/master c: aa304fd h: refs/heads/master i: 346467: c2ce69d v: v3
git-mirror · Dec 18, 2012 · 281a26c · 281a26c
1 parent f0179c8
commit 281a26c
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4ba9aa7f9819bafb304f09dee90bb1fa40627358
+refs/heads/master: aa304fdefa568d63c862df7abe55d39811845c7c
diff --git a/trunk/drivers/block/aoe/aoeblk.c b/trunk/drivers/block/aoe/aoeblk.c
@@ -16,11 +16,18 @@
 #include <linux/netdevice.h>
 #include <linux/mutex.h>
 #include <linux/export.h>
+#include <linux/moduleparam.h>
 #include "aoe.h"
 
 static DEFINE_MUTEX(aoeblk_mutex);
 static struct kmem_cache *buf_pool_cache;
 
+/* GPFS needs a larger value than the default. */
+static int aoe_maxsectors;
+module_param(aoe_maxsectors, int, 0644);
+MODULE_PARM_DESC(aoe_maxsectors,
+	"When nonzero, set the maximum number of sectors per I/O request");
+
 static ssize_t aoedisk_show_state(struct device *dev,
 				  struct device_attribute *attr, char *page)
 {
@@ -248,6 +255,8 @@ aoeblk_gdalloc(void *vp)
 	d->blkq = gd->queue = q;
 	q->queuedata = d;
 	d->gd = gd;
+	if (aoe_maxsectors)
+		blk_queue_max_hw_sectors(q, aoe_maxsectors);
 	gd->major = AOE_MAJOR;
 	gd->first_minor = d->sysminor;
 	gd->fops = &aoe_bdops;