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nilfs2: verify btree node after reading

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This inserts sanity checks soon after read btree node from disk.  This
allows early detection of broken btree nodes, and helps to narrow down
problems due to file system corruption.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi
2010-07-16 23:52:40 +09:00
parent cfa913a507
commit 1d5385b9f3
3 changed files with 56 additions and 5 deletions
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fs/nilfs2/btree.h
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@@ -80,4 +80,6 @@ int nilfs_btree_convert_and_insert(struct nilfs_bmap *, __u64, __u64,
const __u64 *, const __u64 *, int);
void nilfs_btree_init_gc(struct nilfs_bmap *);
int nilfs_btree_broken_node_block(struct buffer_head *bh);
#endif /* _NILFS_BTREE_H */