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xfs: pass perag to xfs_alloc_read_agf()

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xfs_alloc_read_agf() initialises the perag if it hasn't been done
yet, so it makes sense to pass it the perag rather than pull a
reference from the buffer. This allows callers to be per-ag centric
rather than passing mount/agno pairs everywhere.

Whilst modifying the xfs_reflink_find_shared() function definition,
declare it static and remove the extern declaration as it is an
internal function only these days.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
This commit is contained in:
Dave Chinner
2022-07-07 19:07:40 +10:00
committed by Dave Chinner
parent 76b47e528e
commit 08d3e84fee
20 changed files with 70 additions and 83 deletions
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2
fs/xfs/libxfs/xfs_rmap_btree.c
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@ -652,7 +652,7 @@ xfs_rmapbt_calc_reserves(
if (!xfs_has_rmapbt(mp))
return 0;
error = xfs_alloc_read_agf(mp, tp, pag->pag_agno, 0, &agbp);
error = xfs_alloc_read_agf(pag, tp, 0, &agbp);
if (error)
return error;