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Btrfs: add WARN_ONCE to detect unexpected error from merge_extent_mapping
authorLiu Bo <bo.li.liu@oracle.com>
Fri, 15 Dec 2017 06:36:53 +0000 (23:36 -0700)
committerJack Vogel <jack.vogel@oracle.com>
Thu, 1 Feb 2018 23:34:05 +0000 (15:34 -0800)
commite2a2af61bf91599257476b10009f21fd8b127613
treeb9b2c5875a31d0bcddb766ba09ebc8aa438ad6e6tree
parentd4ed2dd3a8208eb0154b8a40f56659de5ac84817commit | diff
Btrfs: add WARN_ONCE to detect unexpected error from merge_extent_mapping

Orabug: 27446668

This is a subtle case, so in order to understand the problem, it'd be
good to know the content of existing and em when any error occurs.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
fs/btrfs/inode.c diff | blob | history
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