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f2fs: support in-memory inode checksum when checking consistency

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Enable in-memory inode checksum to protect metadata blocks from
in-memory scribbles when checking consistency, which has no
performance requirements.

Signed-off-by: Weichao Guo <guoweichao@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Weichao Guo
2018-03-09 23:10:21 +08:00
committed by Jaegeuk Kim
parent 4e423832a6
commit 54c55c4e4f
3 changed files with 21 additions and 1 deletions
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4
fs/f2fs/node.h
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@@ -444,6 +444,10 @@ static inline void set_mark(struct page *page, int mark, int type)
else
flag &= ~(0x1 << type);
rn->footer.flag = cpu_to_le32(flag);
#ifdef CONFIG_F2FS_CHECK_FS
f2fs_inode_chksum_set(F2FS_P_SB(page), page);
#endif
}
#define set_dentry_mark(page, mark) set_mark(page, mark, DENT_BIT_SHIFT)
#define set_fsync_mark(page, mark) set_mark(page, mark, FSYNC_BIT_SHIFT)