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xfs: convert remaining direct references to m_perag

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Convert the remaining direct lookups of the per ag structures to use
get/put accesses. Ensure that the loops across AGs and prior users
of the interface balance gets and puts correctly.

Signed-off-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
This commit is contained in:
Dave Chinner
2010-01-11 11:47:43 +00:00
committed by Alex Elder
parent 4196ac08c0
commit 44b56e0a1a
4 changed files with 42 additions and 15 deletions
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9
fs/xfs/xfs_mount.c
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@@ -438,18 +438,20 @@ xfs_initialize_perag(
}
/* This ag is preferred for inodes */
pag = &mp->m_perag[index];
pag = xfs_perag_get(mp, index);
pag->pagi_inodeok = 1;
if (index < max_metadata)
pag->pagf_metadata = 1;
xfs_initialize_perag_icache(pag);
xfs_perag_put(pag);
}
} else {
/* Setup default behavior for smaller filesystems */
for (index = 0; index < agcount; index++) {
pag = &mp->m_perag[index];
pag = xfs_perag_get(mp, index);
pag->pagi_inodeok = 1;
xfs_initialize_perag_icache(pag);
xfs_perag_put(pag);
}
}
return index;
@@ -731,12 +733,13 @@ xfs_initialize_perag_data(xfs_mount_t *mp, xfs_agnumber_t agcount)
error = xfs_ialloc_pagi_init(mp, NULL, index);
if (error)
return error;
pag = &mp->m_perag[index];
pag = xfs_perag_get(mp, index);
ifree += pag->pagi_freecount;
ialloc += pag->pagi_count;
bfree += pag->pagf_freeblks;
bfreelst += pag->pagf_flcount;
btree += pag->pagf_btreeblks;
xfs_perag_put(pag);
}
/*
* Overwrite incore superblock counters with just-read data