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authorChao Yu <yuchao0@huawei.com>2017-07-31 20:19:09 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2017-08-03 19:09:26 -0700
commit704956ecf5bcdc14d14650f39f2b545b34c96265 (patch)
tree7d1671f472ed05961a350510d09c4b2273e6a789 /fs/f2fs/super.c
parent4f31d26b0c17f2aae6a6afeb823a87e20671ab4b (diff)
f2fs: support inode checksum
This patch adds to support inode checksum in f2fs. Signed-off-by: Chao Yu <yuchao0@huawei.com> [Jaegeuk Kim: fix verification flow] Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 4c28576c5b30..fc757c8861b7 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1993,6 +1993,11 @@ try_onemore:
sb->s_fs_info = sbi;
sbi->raw_super = raw_super;
+ /* precompute checksum seed for metadata */
+ if (f2fs_sb_has_inode_chksum(sb))
+ sbi->s_chksum_seed = f2fs_chksum(sbi, ~0, raw_super->uuid,
+ sizeof(raw_super->uuid));
+
/*
* The BLKZONED feature indicates that the drive was formatted with
* zone alignment optimization. This is optional for host-aware