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由 Liu Bo 提交于
This is similar to btrfs_submit_compressed_read(), if we fail after bio is allocated, then we can use bio_endio() and errors are saved in bio->bi_error. But please note that we don't return errors to its caller because the caller assumes it won't call endio to cleanup on error. Signed-off-by: NLiu Bo <bo.li.liu@oracle.com> Signed-off-by: NDavid Sterba <dsterba@suse.com>
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