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由 From: Nick Piggin 提交于
Node may not be inserted over existing node. This causes inode tree corruption and I was seeing crashes in inode_tree_del which I can not reproduce after this patch. The other way to fix this would be to tie inode lifetime in the rbtree with inode while not in freeing state. I had a look at this but it is not so trivial at this point. At least this patch gets things working again. Signed-off-by: NNick Piggin <npiggin@suse.de> Cc: Chris Mason <chris.mason@oracle.com> Acked-by: NYan Zheng <zheng.yan@oracle.com> Signed-off-by: NJens Axboe <jens.axboe@oracle.com>
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