xfs: convert remaining direct references to m_perag

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>

1 files changed, 6 insertions, 3 deletions

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index eb403b40e120..9055b60730d0 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -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