linux-ext4 - [PATCH 1/5] mke2fs: add inline data support

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Message-Id: <1324219484-22443-2-git-send-email-wenqing.lz@taobao.com>
Date:	Sun, 18 Dec 2011 22:44:40 +0800
From:	Zheng Liu <gnehzuil.liu@...il.com>
To:	linux-ext4@...r.kernel.org
Cc:	Zheng Liu <wenqing.lz@...bao.com>
Subject: [PATCH 1/5] mke2fs: add inline data support

From: Zheng Liu <wenqing.lz@...bao.com>

Make mke2fs support inline data.

Signed-off-by: Zheng Liu <wenqing.lz@...bao.com>
---
 lib/e2p/feature.c    |    2 ++
 lib/ext2fs/ext2_fs.h |    1 +
 lib/ext2fs/ext2fs.h  |    6 ++++--
 misc/mke2fs.c        |    3 ++-
 4 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/e2p/feature.c b/lib/e2p/feature.c
index 63486f3..0d753fe 100644
--- a/lib/e2p/feature.c
+++ b/lib/e2p/feature.c
@@ -85,6 +85,8 @@ static struct feature feature_list[] = {
 			"mmp" },
 	{       E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_FLEX_BG,
 			"flex_bg"},
+	{	E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_INLINEDATA,
+			"inline_data"},
 	{	0, 0, 0 },
 };
 
diff --git a/lib/ext2fs/ext2_fs.h b/lib/ext2fs/ext2_fs.h
index 0f8cde8..0a37b57 100644
--- a/lib/ext2fs/ext2_fs.h
+++ b/lib/ext2fs/ext2_fs.h
@@ -719,6 +719,7 @@ struct ext2_super_block {
 #define EXT4_FEATURE_INCOMPAT_FLEX_BG		0x0200
 #define EXT4_FEATURE_INCOMPAT_EA_INODE		0x0400
 #define EXT4_FEATURE_INCOMPAT_DIRDATA		0x1000
+#define EXT4_FEATURE_INCOMPAT_INLINEDATA	0x8000 /* data in inode */
 
 #define EXT2_FEATURE_COMPAT_SUPP	0
 #define EXT2_FEATURE_INCOMPAT_SUPP    (EXT2_FEATURE_INCOMPAT_FILETYPE| \
diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index 08f1946..8b94ad0 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -566,7 +566,8 @@ typedef struct ext2_icount *ext2_icount_t;
 					 EXT3_FEATURE_INCOMPAT_EXTENTS|\
 					 EXT4_FEATURE_INCOMPAT_FLEX_BG|\
 					 EXT4_FEATURE_INCOMPAT_MMP|\
-					 EXT4_FEATURE_INCOMPAT_64BIT)
+					 EXT4_FEATURE_INCOMPAT_64BIT|\
+					 EXT4_FEATURE_INCOMPAT_INLINE_DATA)
 #else
 #define EXT2_LIB_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE|\
 					 EXT3_FEATURE_INCOMPAT_JOURNAL_DEV|\
@@ -575,7 +576,8 @@ typedef struct ext2_icount *ext2_icount_t;
 					 EXT3_FEATURE_INCOMPAT_EXTENTS|\
 					 EXT4_FEATURE_INCOMPAT_FLEX_BG|\
 					 EXT4_FEATURE_INCOMPAT_MMP|\
-					 EXT4_FEATURE_INCOMPAT_64BIT)
+					 EXT4_FEATURE_INCOMPAT_64BIT|\
+					 EXT4_FEATURE_INCOMPAT_INLINEDATA)
 #endif
 #ifdef CONFIG_QUOTA
 #define EXT2_LIB_FEATURE_RO_COMPAT_SUPP	(EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER|\
diff --git a/misc/mke2fs.c b/misc/mke2fs.c
index 0ef2531..da5d873 100644
--- a/misc/mke2fs.c
+++ b/misc/mke2fs.c
@@ -857,7 +857,8 @@ static __u32 ok_features[3] = {
 		EXT2_FEATURE_INCOMPAT_META_BG|
 		EXT4_FEATURE_INCOMPAT_FLEX_BG|
 		EXT4_FEATURE_INCOMPAT_MMP |
-		EXT4_FEATURE_INCOMPAT_64BIT,
+		EXT4_FEATURE_INCOMPAT_64BIT|
+		EXT4_FEATURE_INCOMPAT_INLINEDATA,
 	/* R/O compat */
 	EXT2_FEATURE_RO_COMPAT_LARGE_FILE|
 		EXT4_FEATURE_RO_COMPAT_HUGE_FILE|
-- 
1.7.4.1

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