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由 Eric Sandeen 提交于
XFS_BROOT_SIZE_ADJ is an undocumented macro which accounts for the difference in size between the on-disk and in-core btree root. It's much clearer to just use the newly-added XFS_BMAP_BMDR_SPACE macro which gives us the on-disk size directly. In one case, we must test that the if_broot exists before applying the macro, however. Signed-off-by: NEric Sandeen <sandeen@redhat.com> Reviewed-by: NDave Chinner <dchinner@redhat.com> Reviewed-by: NBen Myers <bpm@sgi.com> Signed-off-by: NBen Myers <bpm@sgi.com>
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