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From: Tao Ma <tm@tao.ma>
To: linux-ext4@vger.kernel.org
Cc: adilger@dilger.ca, tytso@mit.edu, linux-kernel@vger.kernel.org,
	linux-fsdevel@vger.kernel.org
Subject: [PATCH V3 21/21] ext4: Enable ext4 inline support.
Date: Sun, 18 Dec 2011 22:24:38 +0800	[thread overview]
Message-ID: <1324218278-2460-21-git-send-email-tm@tao.ma> (raw)
In-Reply-To: <1324218278-2460-1-git-send-email-tm@tao.ma>

From: Tao Ma <boyu.mt@taobao.com>

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
---
 fs/ext4/ext4.h   |    4 +++-
 fs/ext4/ialloc.c |    4 ++++
 2 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 48185ba..ca1f79f 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1416,6 +1416,7 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
 #define EXT4_FEATURE_INCOMPAT_FLEX_BG		0x0200
 #define EXT4_FEATURE_INCOMPAT_EA_INODE		0x0400 /* EA in inode */
 #define EXT4_FEATURE_INCOMPAT_DIRDATA		0x1000 /* data in dirent */
+#define EXT4_FEATURE_INCOMPAT_INLINEDATA	0x8000 /* data in inode */
 
 #define EXT2_FEATURE_COMPAT_SUPP	EXT4_FEATURE_COMPAT_EXT_ATTR
 #define EXT2_FEATURE_INCOMPAT_SUPP	(EXT4_FEATURE_INCOMPAT_FILETYPE| \
@@ -1439,7 +1440,8 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
 					 EXT4_FEATURE_INCOMPAT_EXTENTS| \
 					 EXT4_FEATURE_INCOMPAT_64BIT| \
 					 EXT4_FEATURE_INCOMPAT_FLEX_BG| \
-					 EXT4_FEATURE_INCOMPAT_MMP)
+					 EXT4_FEATURE_INCOMPAT_MMP |	\
+					 EXT4_FEATURE_INCOMPAT_INLINEDATA)
 #define EXT4_FEATURE_RO_COMPAT_SUPP	(EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
 					 EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
 					 EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 00beb4f..4f7fe21 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -897,6 +897,10 @@ got:
 
 	ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize;
 
+	ei->i_inline_off = 0;
+	if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_INLINEDATA))
+		ext4_set_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA);
+
 	ret = inode;
 	dquot_initialize(inode);
 	err = dquot_alloc_inode(inode);
-- 
1.7.0.4


  parent reply	other threads:[~2011-12-18 14:38 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-18 14:20 [PATCH V3 00/21] ext4: Add inline data support Tao Ma
2011-12-18 14:24 ` [PATCH V3 01/21] ext4: Move extra inode read to a new function Tao Ma
2011-12-18 14:24   ` [PATCH V3 02/21] ext4: export inline xattr functions Tao Ma
2011-12-18 14:24   ` [PATCH V3 03/21] ext4: Add the basic function for inline data support Tao Ma
2011-12-18 14:24   ` [PATCH V3 04/21] ext4: Add read support for inline data Tao Ma
2011-12-18 14:24   ` [PATCH V3 05/21] ext4: Add normal write " Tao Ma
2011-12-18 14:24   ` [PATCH V3 06/21] ext4: Add journalled " Tao Ma
2011-12-18 14:24   ` [PATCH V3 07/21] ext4: Add delalloc " Tao Ma
2011-12-18 14:24   ` [PATCH V3 08/21] ext4: Create a new function ext4_init_new_dir Tao Ma
2011-12-18 14:24   ` [PATCH V3 09/21] ext4: Refactor __ext4_check_dir_entry to accepts start and size Tao Ma
2011-12-18 14:24   ` [PATCH V3 10/21] ext4: Create __ext4_insert_dentry for dir entry insertion Tao Ma
2011-12-18 14:24   ` [PATCH V3 11/21] ext4: let add_dir_entry handle inline data properly Tao Ma
2011-12-18 14:24   ` [PATCH V3 12/21] ext4: Let ext4_readdir handle inline data Tao Ma
2011-12-18 14:24   ` [PATCH V3 13/21] ext4: Create a new function search_dir Tao Ma
2011-12-18 14:24   ` [PATCH V3 14/21] ext4: let ext4_find_entry handle inline data Tao Ma
2011-12-18 14:24   ` [PATCH V3 15/21] ext4: make ext4_delete_entry generic Tao Ma
2011-12-18 14:24   ` [PATCH V3 16/21] ext4: let ext4_delete_entry handle inline data Tao Ma
2011-12-18 14:24   ` [PATCH V3 17/21] ext4: let empty_dir handle inline dir Tao Ma
2011-12-18 14:24   ` [PATCH V3 18/21] ext4: let ext4_rename " Tao Ma
2011-12-18 14:24   ` [PATCH V3 19/21] ext4: Let fiemap work with inline data Tao Ma
2011-12-18 14:24   ` [PATCH V3 20/21] ext4: Evict inline data out if we needs to strore xattr in inode Tao Ma
2011-12-18 14:24   ` Tao Ma [this message]
2011-12-19  8:32   ` [PATCH V3 01/21] ext4: Move extra inode read to a new function Andreas Dilger
2011-12-19 14:27     ` Tao Ma

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