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xfs: add helper for updating checksums on xfs_bufs

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Many/most callers of xfs_update_cksum() pass bp->b_addr and
BBTOB(bp->b_length) as the first 2 args.  Add a helper
which can just accept the bp and the crc offset, and work
it out on its own, for brevity.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Eric Sandeen
2014-02-27 15:18:23 +11:00
committed by Dave Chinner
parent 5158217058
commit f1dbcd7e38
12 changed files with 20 additions and 15 deletions
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6
fs/xfs/xfs_btree.c
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@@ -234,8 +234,7 @@ xfs_btree_lblock_calc_crc(
return;
if (bip)
block->bb_u.l.bb_lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
XFS_BTREE_LBLOCK_CRC_OFF);
xfs_buf_update_cksum(bp, XFS_BTREE_LBLOCK_CRC_OFF);
}
bool
@@ -267,8 +266,7 @@ xfs_btree_sblock_calc_crc(
return;
if (bip)
block->bb_u.s.bb_lsn = cpu_to_be64(bip->bli_item.li_lsn);
xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
XFS_BTREE_SBLOCK_CRC_OFF);
xfs_buf_update_cksum(bp, XFS_BTREE_SBLOCK_CRC_OFF);
}
bool