---

yaml --- r: 234959 b: refs/heads/master c: fd89d5f h: refs/heads/master i: 234957: 25cf333 234955: 883c9d9 234951: 53ad36c 234943: a94e191 v: v3
git-mirror · Feb 1, 2011 · 9536492 · 9536492
1 parent be3086c
commit 9536492
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Showing 2 changed files with 7 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 40f38ffb72cd58452dc5afc25ca5215bb90538a4
+refs/heads/master: fd89d5f2030ac83324330bfd0bc73abf1beadaa6
diff --git a/trunk/fs/ext4/super.c b/trunk/fs/ext4/super.c
@@ -3507,7 +3507,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	percpu_counter_set(&sbi->s_dirtyblocks_counter, 0);
 
 no_journal:
-	EXT4_SB(sb)->dio_unwritten_wq = create_workqueue("ext4-dio-unwritten");
+	/*
+	 * The maximum number of concurrent works can be high and
+	 * concurrency isn't really necessary.  Limit it to 1.
+	 */
+	EXT4_SB(sb)->dio_unwritten_wq =
+		alloc_workqueue("ext4-dio-unwritten", WQ_MEM_RECLAIM, 1);
 	if (!EXT4_SB(sb)->dio_unwritten_wq) {
 		printk(KERN_ERR "EXT4-fs: failed to create DIO workqueue\n");
 		goto failed_mount_wq;