From: Tore Anderson <tore@fud.no>
To: sct@redhat.com, akpm@osdl.org, adilger@clusterfs.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 2.6] ext3: fix documentation of online resizing
Date: Sun, 8 Jan 2006 22:29:12 +0100 [thread overview]
Message-ID: <20060108212912.GB5717@fud.no> (raw)
Undocument the non-working resize= mount option in ext3, and add some
references to the ext2resize package instead, which appears to be the
only proper way of doing online resizing of ext3 filesystems.
Signed-off-by: Tore Anderson <tore@fud.no>
---
I first thought online resizing was supposed to be done like in JFS
(using mount -o remount,resize=nblocks), and fixed fs/ext3/super.c so
the resize option was recognized properly. However, the feature
simply didn't work (mount ended up in blocking I/O sleep with nothing
happening), so I assume the option is intentionally disabled.
diff --git a/Documentation/filesystems/ext3.txt b/Documentation/filesystems/ext3.txt
index 9840d5b..c665644 100644
--- a/Documentation/filesystems/ext3.txt
+++ b/Documentation/filesystems/ext3.txt
@@ -77,8 +77,6 @@ reservation
noreservation
-resize=
-
bsddf (*) Make 'df' act like BSD.
minixdf Make 'df' act like Minix.
@@ -168,6 +166,7 @@ see manual pages to know more.
tune2fs: create a ext3 journal on a ext2 partition with the -j flags
mke2fs: create a ext3 partition with the -j flags
debugfs: ext2 and ext3 file system debugger
+ext2online: online (mounted) ext2 and ext3 filesystem resizer
References
==========
@@ -176,6 +175,7 @@ kernel source: file:/usr/src/linux/fs/ex
file:/usr/src/linux/fs/jbd
programs: http://e2fsprogs.sourceforge.net
+ http://ext2resize.sourceforge.net
useful link:
http://www.zip.com.au/~akpm/linux/ext3/ext3-usage.html
--
Tore Anderson
reply other threads:[~2006-01-08 21:29 UTC|newest]
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