47 lines
1.7 KiB
Diff
47 lines
1.7 KiB
Diff
From a214238d3bb03723f820b0a398928d8e1637c987 Mon Sep 17 00:00:00 2001
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From: Theodore Ts'o <tytso@mit.edu>
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Date: Wed, 9 Dec 2009 21:09:58 -0500
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Subject: [PATCH] ext4: Do not override ext2 or ext3 if built they are built as modules
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The CONFIG_EXT4_USE_FOR_EXT23 option must not try to take over the
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ext2 or ext3 file systems if the those file system drivers are
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configured to be built as mdoules.
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Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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---
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fs/ext4/Kconfig | 2 +-
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fs/ext4/super.c | 4 ++--
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2 files changed, 3 insertions(+), 3 deletions(-)
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--- a/fs/ext4/Kconfig
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+++ b/fs/ext4/Kconfig
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@@ -28,7 +28,7 @@ config EXT4_FS
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config EXT4_USE_FOR_EXT23
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bool "Use ext4 for ext2/ext3 file systems"
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- depends on !EXT3_FS || !EXT2_FS
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+ depends on EXT3_FS=n || EXT2_FS=n
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default y
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help
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Allow the ext4 file system driver code to be used for ext2 or
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--- a/fs/ext4/super.c
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+++ b/fs/ext4/super.c
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@@ -3994,7 +3994,7 @@ static int ext4_get_sb(struct file_syste
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return get_sb_bdev(fs_type, flags, dev_name, data, ext4_fill_super,mnt);
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}
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-#if !defined(CONTIG_EXT2_FS) && defined(CONFIG_EXT4_USE_FOR_EXT23)
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+#if !defined(CONTIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
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static struct file_system_type ext2_fs_type = {
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.owner = THIS_MODULE,
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.name = "ext2",
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@@ -4020,7 +4020,7 @@ static inline void register_as_ext2(void
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static inline void unregister_as_ext2(void) { }
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#endif
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-#if !defined(CONTIG_EXT3_FS) && defined(CONFIG_EXT4_USE_FOR_EXT23)
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+#if !defined(CONTIG_EXT3_FS) && !defined(CONFIG_EXT3_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
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static struct file_system_type ext3_fs_type = {
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.owner = THIS_MODULE,
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.name = "ext3",
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