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f2fs: add inline_data recovery routine

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This patch adds a inline_data recovery routine with the following policy.

[prev.] [next] of inline_data flag
   o       o  -> recover inline_data
   o       x  -> remove inline_data, and then recover data blocks
   x       o  -> remove inline_data, and then recover inline_data
   x       x  -> recover data blocks

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim
2013-12-26 12:49:48 +09:00
parent 0dbdc2ae9b
commit 1e1bb4baf1
5 changed files with 58 additions and 5 deletions
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3
include/linux/f2fs_fs.h
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@@ -155,12 +155,11 @@ struct f2fs_extent {
#define F2FS_INLINE_XATTR 0x01 /* file inline xattr flag */
#define F2FS_INLINE_DATA 0x02 /* file inline data flag */
#define MAX_INLINE_DATA (sizeof(__le32) * (DEF_ADDRS_PER_INODE - \
F2FS_INLINE_XATTR_ADDRS - 1))
#define INLINE_DATA_OFFSET (PAGE_CACHE_SIZE - sizeof(struct node_footer) \
- sizeof(__le32)*(DEF_ADDRS_PER_INODE + 5 - 1))
- sizeof(__le32) * (DEF_ADDRS_PER_INODE + 5 - 1))
struct f2fs_inode {
__le16 i_mode; /* file mode */