linux-ext4 - [PATCH -v2] ext4: speed up _require_ext4_bigalloc and _require_ext4_mkfs

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1410178541-15192-1-git-send-email-tytso@mit.edu>
Date:	Mon,  8 Sep 2014 08:15:41 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	fstests@...r.kernel.org
Cc:	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	david@...morbit.com, Theodore Ts'o <tytso@....edu>
Subject: [PATCH -v2] ext4: speed up _require_ext4_bigalloc and _require_ext4_mkfs_bigalloc

We don't need to make a full-sized file system in order to test
whether "mkfs.ext4 -O bigalloc" works.

Signed-off-by: Theodore Ts'o <tytso@....edu>
---
 common/rc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/rc b/common/rc
index 285bd7c..0baac86 100644
--- a/common/rc
+++ b/common/rc
@@ -1189,7 +1189,7 @@ _require_xfs_crc()
 #
 _require_ext4_mkfs_bigalloc()
 {
-	_scratch_mkfs_ext4 -O bigalloc >/dev/null 2>&1 \
+	$MKFS_EXT4_PROG -F -O bigalloc -n $SCRATCH_DEV 200k >/dev/null 2>&1 \
 	   || _notrun "mkfs.ext4 doesn't have bigalloc feature"
 }
 
@@ -1197,7 +1197,7 @@ _require_ext4_mkfs_bigalloc()
 #
 _require_ext4_bigalloc()
 {
-	_scratch_mkfs_ext4 -O bigalloc >/dev/null 2>&1
+	$MKFS_EXT4_PROG -F -O bigalloc $SCRATCH_DEV 200k >/dev/null 2>&1
 	_scratch_mount >/dev/null 2>&1 \
 	   || _notrun "Ext4 kernel doesn't support bigalloc feature"
 	umount $SCRATCH_MNT
-- 
2.1.0

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html