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Subject[patch] ext3: remove btree_dir
Remove support for EXT3_FEATURE_RO_COMPAT_BTREE_DIR, so mount can
safely fail out when some new feature added using 0x0004.

Signed-off-by: Qi Yong <qiyong@fc-cn.com>
---

diff --git a/include/linux/ext2_fs.h b/include/linux/ext2_fs.h
index facf34e..d63d2ec 100644
--- a/include/linux/ext2_fs.h
+++ b/include/linux/ext2_fs.h
@@ -463,7 +463,6 @@ #define EXT2_FEATURE_COMPAT_ANY 0xffff

#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001
#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE 0x0002
-#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR 0x0004
#define EXT2_FEATURE_RO_COMPAT_ANY 0xffffffff

#define EXT2_FEATURE_INCOMPAT_COMPRESSION 0x0001
@@ -477,8 +476,7 @@ #define EXT2_FEATURE_COMPAT_SUPP EXT2_FE
#define EXT2_FEATURE_INCOMPAT_SUPP (EXT2_FEATURE_INCOMPAT_FILETYPE| \
EXT2_FEATURE_INCOMPAT_META_BG)
#define EXT2_FEATURE_RO_COMPAT_SUPP (EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
- EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
- EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
+ EXT2_FEATURE_RO_COMPAT_LARGE_FILE)
#define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED ~EXT2_FEATURE_RO_COMPAT_SUPP
#define EXT2_FEATURE_INCOMPAT_UNSUPPORTED ~EXT2_FEATURE_INCOMPAT_SUPP

diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 5607e64..7974c44 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -553,7 +553,6 @@ #define EXT3_FEATURE_COMPAT_DIR_INDEX 0

#define EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001
#define EXT3_FEATURE_RO_COMPAT_LARGE_FILE 0x0002
-#define EXT3_FEATURE_RO_COMPAT_BTREE_DIR 0x0004

#define EXT3_FEATURE_INCOMPAT_COMPRESSION 0x0001
#define EXT3_FEATURE_INCOMPAT_FILETYPE 0x0002
@@ -566,8 +565,7 @@ #define EXT3_FEATURE_INCOMPAT_SUPP (EXT3
EXT3_FEATURE_INCOMPAT_RECOVER| \
EXT3_FEATURE_INCOMPAT_META_BG)
#define EXT3_FEATURE_RO_COMPAT_SUPP (EXT3_FEATURE_RO_COMPAT_SPARSE_SUPER| \
- EXT3_FEATURE_RO_COMPAT_LARGE_FILE| \
- EXT3_FEATURE_RO_COMPAT_BTREE_DIR)
+ EXT3_FEATURE_RO_COMPAT_LARGE_FILE)

/*
* Default values for user and/or group using reserved blocks
--
Qi Yong
-
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