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由 Qu Wenruo 提交于
This function needs some extra checks on locked pages and eb. For error handling we need to unlock locked pages and the eb. There is a rare >0 return value branch, where all pages get locked while write bio is not flushed. Thankfully it's handled by the only caller, btree_write_cache_pages(), as later write_one_eb() call will trigger submit_one_bio(). So there shouldn't be any problem. Signed-off-by: NQu Wenruo <wqu@suse.com> Reviewed-by: NDavid Sterba <dsterba@suse.com> Signed-off-by: NDavid Sterba <dsterba@suse.com>
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