From: Tao Ma <tm@tao.ma>
To: linux-ext4@vger.kernel.org
Cc: tytso@mit.edu, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, adilger@dilger.ca
Subject: [PATCH V2 19/19] ext4: Enable ext4 inline support.
Date: Tue, 22 Nov 2011 00:39:57 +0800 [thread overview]
Message-ID: <1321893597-11024-19-git-send-email-tm@tao.ma> (raw)
In-Reply-To: <1321893597-11024-1-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 | 1 +
fs/ext4/ialloc.c | 4 ++++
2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index a88bc00..784893a 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1414,6 +1414,7 @@ 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 0x2000 /* data in inode */
#define EXT2_FEATURE_COMPAT_SUPP EXT4_FEATURE_COMPAT_EXT_ATTR
#define EXT2_FEATURE_INCOMPAT_SUPP (EXT4_FEATURE_INCOMPAT_FILETYPE| \
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
prev parent reply other threads:[~2011-11-21 16:39 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-21 16:34 [PATCH V2 00/19] ext4: Add inline data support Tao Ma
2011-11-21 16:39 ` [PATCH V2 01/19] ext4: Move extra inode read to a new function Tao Ma
2011-11-21 16:39 ` [PATCH V2 02/19] ext4: export inline xattr functions Tao Ma
2011-11-21 16:39 ` [PATCH V2 03/19] ext4: Add the basic function for inline data support Tao Ma
2011-11-21 16:39 ` [PATCH V2 04/19] ext4: Add read support for inline data Tao Ma
2011-11-21 16:39 ` [PATCH V2 05/19] ext4: Add normal write " Tao Ma
2011-11-21 16:39 ` [PATCH V2 06/19] ext4: Add journalled " Tao Ma
2011-11-21 16:39 ` [PATCH V2 07/19] ext4: Add delalloc " Tao Ma
2011-11-21 16:39 ` [PATCH V2 08/19] ext4: Create a new function ext4_init_new_dir Tao Ma
2011-11-21 16:39 ` [PATCH V2 09/19] ext4: Refactor __ext4_check_dir_entry to accepts start and size Tao Ma
2011-11-21 16:39 ` [PATCH V2 10/19] ext4: Create __ext4_insert_dentry for dir entry insertion Tao Ma
2011-11-21 16:39 ` [PATCH V2 11/19] ext4: let add_dir_entry handle inline data properly Tao Ma
2011-11-21 16:39 ` [PATCH V2 12/19] ext4: Let ext4_readdir handle inline data Tao Ma
2011-11-21 16:39 ` [PATCH V2 13/19] ext4: Create a new function search_dir Tao Ma
2011-11-21 16:39 ` [PATCH V2 14/19] ext4: let ext4_find_entry handle inline data Tao Ma
2011-11-21 16:39 ` [PATCH V2 15/19] ext4: make ext4_delete_entry generic Tao Ma
2011-11-21 16:39 ` [PATCH V2 16/19] ext4: let ext4_delete_entry handle inline data Tao Ma
2011-11-21 16:39 ` [PATCH V2 17/19] ext4: let empty_dir handle inline dir Tao Ma
2011-11-21 16:39 ` [PATCH V2 18/19] ext4: let ext4_rename " Tao Ma
2011-11-21 16:39 ` Tao Ma [this message]
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