53 lines
1.7 KiB
Diff
53 lines
1.7 KiB
Diff
From b79218242b786a2c02bcac9f53fdae45e2e61e90 Mon Sep 17 00:00:00 2001
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From: Brian Foster <bfoster@redhat.com>
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Date: Thu, 28 Apr 2022 15:39:02 -0400
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Subject: [PATCH] xfs: fold perag loop iteration logic into helper function
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Source kernel commit: bf2307b195135ed9c95eebb38920d8bd41843092
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Fold the loop iteration logic into a helper in preparation for
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further fixups. No functional change in this patch.
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Signed-off-by: Brian Foster <bfoster@redhat.com>
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Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Reviewed-by: Darrick J. Wong <djwong@kernel.org>
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Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
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---
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libxfs/xfs_ag.h | 16 +++++++++++++---
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1 file changed, 13 insertions(+), 3 deletions(-)
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diff --git a/libxfs/xfs_ag.h b/libxfs/xfs_ag.h
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index 2522f76..95570df 100644
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--- a/libxfs/xfs_ag.h
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+++ b/libxfs/xfs_ag.h
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@@ -126,12 +126,22 @@ void xfs_perag_put(struct xfs_perag *pag);
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* for_each_perag_from() because they terminate at sb_agcount where there are
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* no perag structures in tree beyond end_agno.
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*/
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+static inline struct xfs_perag *
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+xfs_perag_next(
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+ struct xfs_perag *pag,
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+ xfs_agnumber_t *next_agno)
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+{
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+ struct xfs_mount *mp = pag->pag_mount;
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+
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+ *next_agno = pag->pag_agno + 1;
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+ xfs_perag_put(pag);
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+ return xfs_perag_get(mp, *next_agno);
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+}
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+
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#define for_each_perag_range(mp, next_agno, end_agno, pag) \
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for ((pag) = xfs_perag_get((mp), (next_agno)); \
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(pag) != NULL && (next_agno) <= (end_agno); \
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- (next_agno) = (pag)->pag_agno + 1, \
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- xfs_perag_put(pag), \
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- (pag) = xfs_perag_get((mp), (next_agno)))
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+ (pag) = xfs_perag_next((pag), &(next_agno)))
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#define for_each_perag_from(mp, next_agno, pag) \
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for_each_perag_range((mp), (next_agno), (mp)->m_sb.sb_agcount, (pag))
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--
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1.8.3.1
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