Merge git://oss.sgi.com:8090/xfs/linux-2.6

* git://oss.sgi.com:8090/xfs/linux-2.6: (45 commits)
  [XFS] Fix use after free in xfs_log_done().
  [XFS] Make xfs_bmap_*_count_leaves void.
  [XFS] Use KM_NOFS for debug trace buffers
  [XFS] use KM_MAYFAIL in xfs_mountfs
  [XFS] refactor xfs_mount_free
  [XFS] don't call xfs_freesb from xfs_unmountfs
  [XFS] xfs_unmountfs should return void
  [XFS] cleanup xfs_mountfs
  [XFS] move root inode IRELE into xfs_unmountfs
  [XFS] stop using file_update_time
  [XFS] optimize xfs_ichgtime
  [XFS] update timestamp in xfs_ialloc manually
  [XFS] remove the sema_t from XFS.
  [XFS] replace dquot flush semaphore with a completion
  [XFS] replace inode flush semaphore with a completion
  [XFS] extend completions to provide XFS object flush requirements
  [XFS] replace the XFS buf iodone semaphore with a completion
  [XFS] clean up stale references to semaphores
  [XFS] use get_unaligned_* helpers
  [XFS] Fix compile failure in xfs_buf_trace()
  ...

1 files changed, 39 insertions, 66 deletions

diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c
index aeb87ca69fcc..cc593a84c345 100644
--- a/fs/xfs/xfs_btree.c
+++ b/fs/xfs/xfs_btree.c
@@ -46,38 +46,11 @@ kmem_zone_t	*xfs_btree_cur_zone;
 /*
  * Btree magic numbers.
  */
-const __uint32_t xfs_magics[XFS_BTNUM_MAX] =
-{
+const __uint32_t xfs_magics[XFS_BTNUM_MAX] = {
         XFS_ABTB_MAGIC, XFS_ABTC_MAGIC, XFS_BMAP_MAGIC, XFS_IBT_MAGIC
 };
 
 /*
- * Prototypes for internal routines.
- */
-
-/*
- * Checking routine: return maxrecs for the block.
- */
-STATIC int                              /* number of records fitting in block */
-xfs_btree_maxrecs(
-        xfs_btree_cur_t         *cur,   /* btree cursor */
-        xfs_btree_block_t       *block);/* generic btree block pointer */
-
-/*
- * Internal routines.
- */
-
-/*
- * Retrieve the block pointer from the cursor at the given level.
- * This may be a bmap btree root or from a buffer.
- */
-STATIC xfs_btree_block_t *                      /* generic btree block pointer */
-xfs_btree_get_block(
-        xfs_btree_cur_t         *cur,   /* btree cursor */
-        int                     level,  /* level in btree */
-        struct xfs_buf          **bpp); /* buffer containing the block */
-
-/*
  * Checking routine: return maxrecs for the block.
  */
 STATIC int                              /* number of records fitting in block */
@@ -457,35 +430,6 @@ xfs_btree_dup_cursor(
 }
 
 /*
- * Change the cursor to point to the first record at the given level.
- * Other levels are unaffected.
- */
-int                                     /* success=1, failure=0 */
-xfs_btree_firstrec(
-        xfs_btree_cur_t         *cur,   /* btree cursor */
-        int                     level)  /* level to change */
-{
-        xfs_btree_block_t       *block; /* generic btree block pointer */
-        xfs_buf_t               *bp;    /* buffer containing block */
-
-        /*
-         * Get the block pointer for this level.
-         */
-        block = xfs_btree_get_block(cur, level, &bp);
-        xfs_btree_check_block(cur, block, level, bp);
-        /*
-         * It's empty, there is no such record.
-         */
-        if (!block->bb_h.bb_numrecs)
-                return 0;
-        /*
-         * Set the ptr value to 1, that's the first record/key.
-         */
-        cur->bc_ptrs[level] = 1;
-        return 1;
-}
-
-/*
  * Retrieve the block pointer from the cursor at the given level.
  * This may be a bmap btree root or from a buffer.
  */
@@ -626,6 +570,13 @@ xfs_btree_init_cursor(
                 cur->bc_private.a.agbp = agbp;
                 cur->bc_private.a.agno = agno;
                 break;
+        case XFS_BTNUM_INO:
+                /*
+                 * Inode allocation btree fields.
+                 */
+                cur->bc_private.a.agbp = agbp;
+                cur->bc_private.a.agno = agno;
+                break;
         case XFS_BTNUM_BMAP:
                 /*
                  * Bmap btree fields.
@@ -638,13 +589,6 @@ xfs_btree_init_cursor(
                 cur->bc_private.b.flags = 0;
                 cur->bc_private.b.whichfork = whichfork;
                 break;
-        case XFS_BTNUM_INO:
-                /*
-                 * Inode allocation btree fields.
-                 */
-                cur->bc_private.i.agbp = agbp;
-                cur->bc_private.i.agno = agno;
-                break;
         default:
                 ASSERT(0);
         }
@@ -671,6 +615,35 @@ xfs_btree_islastblock(
 }
 
 /*
+ * Change the cursor to point to the first record at the given level.
+ * Other levels are unaffected.
+ */
+int                                     /* success=1, failure=0 */
+xfs_btree_firstrec(
+        xfs_btree_cur_t         *cur,   /* btree cursor */
+        int                     level)  /* level to change */
+{
+        xfs_btree_block_t       *block; /* generic btree block pointer */
+        xfs_buf_t               *bp;    /* buffer containing block */
+
+        /*
+         * Get the block pointer for this level.
+         */
+        block = xfs_btree_get_block(cur, level, &bp);
+        xfs_btree_check_block(cur, block, level, bp);
+        /*
+         * It's empty, there is no such record.
+         */
+        if (!block->bb_h.bb_numrecs)
+                return 0;
+        /*
+         * Set the ptr value to 1, that's the first record/key.
+         */
+        cur->bc_ptrs[level] = 1;
+        return 1;
+}
+
+/*
  * Change the cursor to point to the last record in the current block
  * at the given level.  Other levels are unaffected.
  */
@@ -890,12 +863,12 @@ xfs_btree_readahead_core(
         case XFS_BTNUM_INO:
                 i = XFS_BUF_TO_INOBT_BLOCK(cur->bc_bufs[lev]);
                 if ((lr & XFS_BTCUR_LEFTRA) && be32_to_cpu(i->bb_leftsib) != NULLAGBLOCK) {
-                        xfs_btree_reada_bufs(cur->bc_mp, cur->bc_private.i.agno,
+                        xfs_btree_reada_bufs(cur->bc_mp, cur->bc_private.a.agno,
                                 be32_to_cpu(i->bb_leftsib), 1);
                         rval++;
                 }
                 if ((lr & XFS_BTCUR_RIGHTRA) && be32_to_cpu(i->bb_rightsib) != NULLAGBLOCK) {
-                        xfs_btree_reada_bufs(cur->bc_mp, cur->bc_private.i.agno,
+                        xfs_btree_reada_bufs(cur->bc_mp, cur->bc_private.a.agno,
                                 be32_to_cpu(i->bb_rightsib), 1);
                         rval++;
                 }