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ext4: check for inconsistent extents between index and leaf block
commit 9c6e071 upstream. Now that we can check out overlapping extents in leaf block and out-of-order index extents in index block. But the .ee_block in the first extent of one leaf block should equal to the .ei_block in it's parent index extent entry. This patch add a check to verify such inconsistent between the index and leaf block. Signed-off-by: Zhang Yi <yi.zhang@huawei.com> Link: https://lore.kernel.org/r/20210908120850.4012324-3-yi.zhang@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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