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由 Christoph Hellwig 提交于
If xfs_map_blocks returns EAGAIN because of lock contention we must redirty the page and not disard the pagecache content and return an error from writepage. We used to do this correctly, but the logic got lost during the recent reshuffle of the writepage code. Signed-off-by: NChristoph Hellwig <hch@lst.de> Reported-by: NMike Gao <ygao.linux@gmail.com> Tested-by: NMike Gao <ygao.linux@gmail.com> Reviewed-by: NDave Chinner <dchinner@redhat.com> Signed-off-by: NDave Chinner <dchinner@redhat.com>
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