---------------------
PatchSet 795
Date: 2002/01/11 22:35:08
Author: sct
Log:
Allow filesystems to pass -EAGAIN back up to write_dquot if they want to defer
the quota write for now.

Members: 
	fs/dquot.c:1.1->1.1.6.1 [quota-branch]

--- linux-2.4.21-pre3-rmap-ext3merge/fs/dquot.c.=K0021=.orig	2003-01-23 16:30:32.000000000 +0000
+++ linux-2.4.21-pre3-rmap-ext3merge/fs/dquot.c	2003-01-23 16:32:22.000000000 +0000
@@ -287,10 +287,17 @@
 	if (filp)
 		ret = filp->f_op->write(filp, (char *)&dqbuf, 
 					sizeof(struct dqblk), &offset);
-	if (ret != sizeof(struct dqblk))
-		printk(KERN_WARNING "VFS: dquota write failed on dev %s\n",
-			kdevname(dquot->dq_dev));
-
+	if (ret != sizeof(struct dqblk)) {
+		switch (ret) {
+		case -EAGAIN:
+			dquot->dq_flags |= DQ_MOD;
+			break;
+		default:
+			printk(KERN_WARNING
+			       "VFS: dquota write failed on dev %s\n",
+			       kdevname(dquot->dq_dev));
+		}
+	}
 	set_fs(fs);
 	up(sem);
 	dqstats.writes++;