patch-2.0.31 linux/fs/dquot.c

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diff -u --recursive --new-file v2.0.30/linux/fs/dquot.c linux/fs/dquot.c
@@ -19,6 +19,8 @@
  * 
  * Fixes:   Dmitry Gorodchanin <begemot@bgm.rosprint.net>, 11 Feb 96
  *	    removed race conditions in dqput(), dqget() and iput(). 
+ *          Nick Kralevich <nickkral@cal.alumni.berkeley.edu>, 21 Jul 97
+ *          Fixed a condition where user and group quotas could get mixed up.
  *
  * (C) Copyright 1994, 1995 Marco van Wieringen 
  *
@@ -549,12 +551,14 @@
 repeat:
 	dquot = *(hash(dev, id, type));
 	while (dquot) {
-		if (dquot->dq_dev != dev || dquot->dq_id != id) {
+		if (dquot->dq_dev != dev || dquot->dq_id != id ||
+		    dquot->dq_type != type) {
 			dquot = dquot->dq_hash_next;
 			continue;
 		}
 		wait_on_dquot(dquot);
-		if (dquot->dq_dev != dev || dquot->dq_id != id)
+		if (dquot->dq_dev != dev || dquot->dq_id != id ||
+		    dquot->dq_type != type)
 			goto repeat;
 		if (!dquot->dq_count)
 			nr_free_dquots--;

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