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f2fs: add F2FS_IOC_GETVERSION support

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In this patch we add the FS_IOC_GETVERSION ioctl for getting i_generation from
inode, after that, users can list file's generation number by using "lsattr -v".

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2015-01-23 20:36:04 +08:00
committed by Jaegeuk Kim
parent bc4a1f873b
commit d49f3e8902
2 changed files with 10 additions and 0 deletions
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fs/f2fs/f2fs.h
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@@ -202,6 +202,7 @@ static inline bool __has_cursum_space(struct f2fs_summary_block *sum, int size,
*/
#define F2FS_IOC_GETFLAGS FS_IOC_GETFLAGS
#define F2FS_IOC_SETFLAGS FS_IOC_SETFLAGS
#define F2FS_IOC_GETVERSION FS_IOC_GETVERSION
#define F2FS_IOCTL_MAGIC 0xf5
#define F2FS_IOC_START_ATOMIC_WRITE _IO(F2FS_IOCTL_MAGIC, 1)