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f2fs: add feature facility in superblock

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This patch introduces a feature in superblock, which will indicate any new
features for f2fs.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-04-13 15:10:36 -07:00
parent b5492af78c
commit 76f105a2db
2 changed files with 9 additions and 1 deletions
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3
include/linux/f2fs_fs.h
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@ -90,7 +90,8 @@ struct f2fs_super_block {
__le32 cp_payload;
__u8 version[VERSION_LEN]; /* the kernel version */
__u8 init_version[VERSION_LEN]; /* the initial kernel version */
__u8 reserved[892]; /* valid reserved region */
__le32 feature; /* defined features */
__u8 reserved[888]; /* valid reserved region */
} __packed;
/*