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authorYan Zheng <zheng.yan@oracle.com>2009-06-11 08:51:10 -0400
committerChris Mason <chris.mason@oracle.com>2009-06-11 08:51:34 -0400
commit85d4198e40c289dd623cecd16601fa613559bed7 (patch)
tree8f76a9567063bded47b69f2f39d557307cdf5b54 /fs/btrfs/super.c
parentfd0fb038d5a308c7faddd1701be5e70aaffec98b (diff)
downloadlinux-85d4198e40c289dd623cecd16601fa613559bed7.tar.bz2
Btrfs: check duplicate backrefs for both data and metadata
lookup_inline_extent_backref only checks for duplicate backref for data extents. It assumes backrefs for tree block never conflict. This patch makes lookup_inline_extent_backref check for duplicate backrefs for both data and tree block, so that we can detect potential bug earlier. This is a safety check, strictly speaking it is not required. Signed-off-by: Yan Zheng <zheng.yan@oracle.com> Signed-off-by: Chris Mason <chris.mason@oracle.com>
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