[XFS] move v_trace from bhv_vnode to xfs_inode

struct bhv_vnode is on it's way out, so move the trace buffer to the XFS
inode. Note that this makes the tracing macros rather misnamed, but this
kind of fallout will be fixed up incrementally later on.

SGI-PV: 969608
SGI-Modid: xfs-linux-melb:xfs-kern:29498a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

1 files changed, 17 insertions, 23 deletions

diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 47bca4e4696..bb0c4a932fd 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -403,7 +403,7 @@ xfs_fs_write_inode(
 {
         int                     error = 0, flags = FLUSH_INODE;
 
-        vn_trace_entry(vn_from_inode(inode), __FUNCTION__,
+        vn_trace_entry(XFS_I(inode), __FUNCTION__,
                         (inst_t *)__return_address);
         if (sync) {
                 filemap_fdatawait(inode->i_mapping);
@@ -425,34 +425,27 @@ STATIC void
 xfs_fs_clear_inode(
         struct inode            *inode)
 {
-        bhv_vnode_t             *vp = vn_from_inode(inode);
-
-        vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
-
-        XFS_STATS_INC(vn_rele);
-        XFS_STATS_INC(vn_remove);
-        XFS_STATS_INC(vn_reclaim);
-        XFS_STATS_DEC(vn_active);
+        xfs_inode_t             *ip = XFS_I(inode);
 
         /*
-         * This can happen because xfs_iget_core calls xfs_idestroy if we
+         * ip can be null when xfs_iget_core calls xfs_idestroy if we
          * find an inode with di_mode == 0 but without IGET_CREATE set.
          */
-        if (XFS_I(inode))
-                xfs_inactive(XFS_I(inode));
-
-
-        if (XFS_I(inode)) {
-                xfs_iflags_clear(XFS_I(inode), XFS_IMODIFIED);
-                if (xfs_reclaim(XFS_I(inode)))
-                        panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, vp);
+        if (ip) {
+                vn_trace_entry(ip, __FUNCTION__, (inst_t *)__return_address);
+
+                XFS_STATS_INC(vn_rele);
+                XFS_STATS_INC(vn_remove);
+                XFS_STATS_INC(vn_reclaim);
+                XFS_STATS_DEC(vn_active);
+
+                xfs_inactive(ip);
+                xfs_iflags_clear(ip, XFS_IMODIFIED);
+                if (xfs_reclaim(ip))
+                        panic("%s: cannot reclaim 0x%p\n", __FUNCTION__, inode);
         }
 
         ASSERT(XFS_I(inode) == NULL);
-
-#ifdef XFS_VNODE_TRACE
-        ktrace_free(vp->v_trace);
-#endif
 }
 
 /*
@@ -840,7 +833,8 @@ xfs_fs_fill_super(
         }
         if ((error = xfs_fs_start_syncd(vfsp)))
                 goto fail_vnrele;
-        vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
+        vn_trace_exit(XFS_I(sb->s_root->d_inode), __FUNCTION__,
+                        (inst_t *)__return_address);
 
         kmem_free(args, sizeof(*args));
         return 0;