[PATCH 2 of 4] Factor per-ag radix tree intialisation

[David Chinner <dgc@xxxxxxx>]

Factor out common intialisation code.

Signed-off-by: Dave Chinner <dgc@xxxxxxx>
---
 fs/xfs/xfs_mount.c |   23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

Index: 2.6.x-xfs-new/fs/xfs/xfs_mount.c
===================================================================
--- 2.6.x-xfs-new.orig/fs/xfs/xfs_mount.c       2007-08-09 13:03:53.000000000 
+1000
+++ 2.6.x-xfs-new/fs/xfs/xfs_mount.c    2007-08-09 13:07:53.410065825 +1000
@@ -337,6 +337,17 @@ xfs_mount_validate_sb(
        return 0;
 }
 
+STATIC void
+xfs_initialize_perag_icache(
+       xfs_perag_t     *pag)
+{
+       if (!pag->pag_ici_init) {
+               rwlock_init(&pag->pag_ici_lock);
+               INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC);
+               pag->pag_ici_init = 1;
+       }
+}
+
 xfs_agnumber_t
 xfs_initialize_perag(
        bhv_vfs_t       *vfs,
@@ -391,22 +402,14 @@ xfs_initialize_perag(
                        pag->pagi_inodeok = 1;
                        if (index < max_metadata)
                                pag->pagf_metadata = 1;
-                       if (!pag->pag_ici_init) {
-                               rwlock_init(&pag->pag_ici_lock);
-                               INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC);
-                               pag->pag_ici_init = 1;
-                       }
+                       xfs_initialize_perag_icache(pag);
                }
        } else {
                /* Setup default behavior for smaller filesystems */
                for (index = 0; index < agcount; index++) {
                        pag = &mp->m_perag[index];
                        pag->pagi_inodeok = 1;
-                       if (!pag->pag_ici_init) {
-                               rwlock_init(&pag->pag_ici_lock);
-                               INIT_RADIX_TREE(&pag->pag_ici_root, GFP_ATOMIC);
-                               pag->pag_ici_init = 1;
-                       }
+                       xfs_initialize_perag_icache(pag);
                }
        }
        return index;