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Commit 135dcc10 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Darrick J. Wong
Browse files

xfs: allow unaligned extent records in xfs_bmbt_disk_set_all 



To make life a little simpler make xfs_bmbt_set_all unaligned access
aware so that we can use it directly on the destination buffer.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarBrian Foster <bfoster@redhat.com>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
parent 43518812

fs/xfs/libxfs/xfs_bmap_btree.c

+4 −4
Original line number Diff line number Diff line
@@ -199,14 +199,14 @@ xfs_bmbt_disk_set_all( 
	ASSERT(!(s->br_blockcount & xfs_mask64hi(64-BMBT_BLOCKCOUNT_BITLEN)));

	ASSERT(!(s->br_startblock & xfs_mask64hi(64-BMBT_STARTBLOCK_BITLEN)));



	r->l0 = cpu_to_be64(

	put_unaligned_be64(

		((xfs_bmbt_rec_base_t)extent_flag << 63) |

		 ((xfs_bmbt_rec_base_t)s->br_startoff << 9) |

		 ((xfs_bmbt_rec_base_t)s->br_startblock >> 43));

	r->l1 = cpu_to_be64(

		 ((xfs_bmbt_rec_base_t)s->br_startblock >> 43), &r->l0);

	put_unaligned_be64(

		((xfs_bmbt_rec_base_t)s->br_startblock << 21) |

		 ((xfs_bmbt_rec_base_t)s->br_blockcount &

		  (xfs_bmbt_rec_base_t)xfs_mask64lo(21)));

		  (xfs_bmbt_rec_base_t)xfs_mask64lo(21)), &r->l1);

}



/*