From 48448ca24e00e530e59d774bfdb3c2a76616330c Mon Sep 17 00:00:00 2001
From: jkar8572 <jkar8572>
Date: Tue, 25 Sep 2001 15:56:59 +0000
Subject: repquota now buffers entries to be printed when resolving is needed
 (major speedup). Workaround for bug in RH 7.1 kernel (Anders Blomdell)

---
 quotasys.c | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

(limited to 'quotasys.c')

diff --git a/quotasys.c b/quotasys.c
index b76cf23..d74ca30 100644
--- a/quotasys.c
+++ b/quotasys.c
@@ -481,8 +481,27 @@ int kern_quota_format(void)
 	else if (quotactl(QCMD(Q_GETSTATS, 0), NULL, 0, (void *)&stats) < 0) {
 		if (errno == ENOSYS || errno == ENOTSUP)	/* Quota not compiled? */
 			return QF_ERROR;
-		if (errno == EINVAL || errno == EFAULT || errno == EPERM)	/* Old quota compiled? */
-			return ret | (1 << QF_VFSOLD);
+		if (errno == EINVAL || errno == EFAULT || errno == EPERM) {	/* Old quota compiled? */
+			/* RedHat 7.1 (2.4.2-2) newquota check 
+			 * Q_GETSTATS in it's old place, Q_GETQUOTA in the new place
+			 * (they haven't moved Q_GETSTATS to its new value) */
+			int err_stat = 0;
+			int err_quota = 0;
+ 			char tmp[1024];         /* Just temporary buffer */
+
+			if (quotactl(QCMD(Q_V1_GETSTATS, 0), NULL, 0, (void *)&stats))
+				err_stat = errno;
+			if (quotactl(QCMD(Q_V1_GETQUOTA, 0), "", 0, tmp))
+				err_quota = errno;
+
+			/* On a RedHat 2.4.2-2 	we expect 0, EINVAL
+			 * On a 2.4.x 		we expect 0, ENOENT
+			 * On a 2.4.x-ac	we wont get here */
+			if (err_stat == 0 && err_quota == EINVAL)
+				return ret | (1 << QF_VFSV0);	/* New format supported */
+			else
+				return ret | (1 << QF_VFSOLD);
+		}
 		die(4, _("Error while detecting kernel quota version: %s\n"), strerror(errno));
 	}
 	/* We might do some more generic checks in future but this should be enough for now */
-- 
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