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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-10-24 06:48:09 +0400 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-11-05 04:34:11 +0300 |
| commit | b3d208f96d6bb21247108a956dead6a028d5cdb2 (patch) | |
| tree | 0adfa5781bae898208c62a94c6087322f16a94be /include/linux/f2fs_fs.h | |
| parent | 1f7732fe6cc0c37befc74cef1d289cd2272b7a5c (diff) | |
| download | linux-b3d208f96d6bb21247108a956dead6a028d5cdb2.tar.xz | |
f2fs: revisit inline_data to avoid data races and potential bugs
This patch simplifies the inline_data usage with the following rule.
1. inline_data is set during the file creation.
2. If new data is requested to be written ranges out of inline_data,
f2fs converts that inode permanently.
3. There is no cases which converts non-inline_data inode to inline_data.
4. The inline_data flag should be changed under inode page lock.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'include/linux/f2fs_fs.h')
| -rw-r--r-- | include/linux/f2fs_fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 63f8303b79ba..cc1064f3153f 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -172,6 +172,7 @@ struct f2fs_extent { #define F2FS_INLINE_XATTR 0x01 /* file inline xattr flag */ #define F2FS_INLINE_DATA 0x02 /* file inline data flag */ #define F2FS_INLINE_DENTRY 0x04 /* file inline dentry flag */ +#define F2FS_DATA_EXIST 0x08 /* file inline data exist flag */ #define MAX_INLINE_DATA (sizeof(__le32) * (DEF_ADDRS_PER_INODE - \ F2FS_INLINE_XATTR_ADDRS - 1)) |