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add 2.6.32 patches to use ext4 for ext2/3

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@24082 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
kaloz
2010-11-22 12:03:23 +00:00
parent e71ac4855b
commit d5e6bde258
3 changed files with 202 additions and 0 deletions
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46
target/linux/generic/patches-2.6.32/041-ext4_do_not_override_ext23.patch Normal file
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@@ -0,0 +1,46 @@
From a214238d3bb03723f820b0a398928d8e1637c987 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Wed, 9 Dec 2009 21:09:58 -0500
Subject: [PATCH] ext4: Do not override ext2 or ext3 if built they are built as modules
The CONFIG_EXT4_USE_FOR_EXT23 option must not try to take over the
ext2 or ext3 file systems if the those file system drivers are
configured to be built as mdoules.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/Kconfig | 2 +-
fs/ext4/super.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -28,7 +28,7 @@ config EXT4_FS
config EXT4_USE_FOR_EXT23
bool "Use ext4 for ext2/ext3 file systems"
- depends on !EXT3_FS || !EXT2_FS
+ depends on EXT3_FS=n || EXT2_FS=n
default y
help
Allow the ext4 file system driver code to be used for ext2 or
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3989,7 +3989,7 @@ static int ext4_get_sb(struct file_syste
return get_sb_bdev(fs_type, flags, dev_name, data, ext4_fill_super,mnt);
}
-#if !defined(CONTIG_EXT2_FS) && defined(CONFIG_EXT4_USE_FOR_EXT23)
+#if !defined(CONTIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
static struct file_system_type ext2_fs_type = {
.owner = THIS_MODULE,
.name = "ext2",
@@ -4015,7 +4015,7 @@ static inline void register_as_ext2(void
static inline void unregister_as_ext2(void) { }
#endif
-#if !defined(CONTIG_EXT3_FS) && defined(CONFIG_EXT4_USE_FOR_EXT23)
+#if !defined(CONTIG_EXT3_FS) && !defined(CONFIG_EXT3_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
static struct file_system_type ext3_fs_type = {
.owner = THIS_MODULE,
.name = "ext3",