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| author | Dave Chinner <dchinner@redhat.com> | 2021-06-02 10:48:24 +1000 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2021-06-02 10:48:24 +1000 |
| commit | 6f4118fc6482b1989cdcb19a1a0ab53b2dca7ab9 (patch) | |
| tree | d9e8f843ce4746975be4c84dd83a179df94e1e48 /fs/xfs/libxfs/xfs_ag.h | |
| parent | 934933c3eec9e4a5826d3d7a47aca0742337fded (diff) | |
| download | lwn-6f4118fc6482b1989cdcb19a1a0ab53b2dca7ab9.tar.gz lwn-6f4118fc6482b1989cdcb19a1a0ab53b2dca7ab9.zip | |
xfs: convert xfs_iwalk to use perag references
Rather than manually walking the ags and passing agnunbers around,
pass the perag for the AG we are currently working on around in the
iwalk structure.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'fs/xfs/libxfs/xfs_ag.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_ag.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/fs/xfs/libxfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h index 33783120263c..f87a60a4a849 100644 --- a/fs/xfs/libxfs/xfs_ag.h +++ b/fs/xfs/libxfs/xfs_ag.h @@ -117,19 +117,23 @@ void xfs_perag_put(struct xfs_perag *pag); /* * Perag iteration APIs */ -#define for_each_perag(mp, next_agno, pag) \ - for ((next_agno) = 0, (pag) = xfs_perag_get((mp), 0); \ +#define for_each_perag_from(mp, next_agno, pag) \ + for ((pag) = xfs_perag_get((mp), (next_agno)); \ (pag) != NULL; \ (next_agno) = (pag)->pag_agno + 1, \ xfs_perag_put(pag), \ (pag) = xfs_perag_get((mp), (next_agno))) -#define for_each_perag_tag(mp, next_agno, pag, tag) \ - for ((next_agno) = 0, (pag) = xfs_perag_get_tag((mp), 0, (tag)); \ +#define for_each_perag(mp, agno, pag) \ + (agno) = 0; \ + for_each_perag_from((mp), (agno), (pag)) + +#define for_each_perag_tag(mp, agno, pag, tag) \ + for ((agno) = 0, (pag) = xfs_perag_get_tag((mp), 0, (tag)); \ (pag) != NULL; \ - (next_agno) = (pag)->pag_agno + 1, \ + (agno) = (pag)->pag_agno + 1, \ xfs_perag_put(pag), \ - (pag) = xfs_perag_get_tag((mp), (next_agno), (tag))) + (pag) = xfs_perag_get_tag((mp), (agno), (tag))) struct aghdr_init_data { /* per ag data */ |