Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6: (61 commits)
  sysfs: add parameter "struct bin_attribute *" in .read/.write methods for sysfs binary attributes
  sysfs: make directory dentries and inodes reclaimable
  sysfs: implement sysfs_get_dentry()
  sysfs: move sysfs_drop_dentry() to dir.c and make it static
  sysfs: restructure add/remove paths and fix inode update
  sysfs: use sysfs_mutex to protect the sysfs_dirent tree
  sysfs: consolidate sysfs spinlocks
  sysfs: make kobj point to sysfs_dirent instead of dentry
  sysfs: implement sysfs_find_dirent() and sysfs_get_dirent()
  sysfs: implement SYSFS_FLAG_REMOVED flag
  sysfs: rename sysfs_dirent->s_type to s_flags and make room for flags
  sysfs: make sysfs_drop_dentry() access inodes using ilookup()
  sysfs: Fix oops in sysfs_drop_dentry on x86_64
  sysfs: use singly-linked list for sysfs_dirent tree
  sysfs: slim down sysfs_dirent->s_active
  sysfs: move s_active functions to fs/sysfs/dir.c
  sysfs: fix root sysfs_dirent -> root dentry association
  sysfs: use iget_locked() instead of new_inode()
  sysfs: reorganize sysfs_new_indoe() and sysfs_create()
  sysfs: fix parent refcounting during rename and move
  ...

1 files changed, 14 insertions, 22 deletions

diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 00ab9125d398..402cc356203c 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -19,28 +19,18 @@ struct vfsmount *sysfs_mount;
 struct super_block * sysfs_sb = NULL;
 struct kmem_cache *sysfs_dir_cachep;
 
-static void sysfs_clear_inode(struct inode *inode);
-
 static const struct super_operations sysfs_ops = {
         .statfs         = simple_statfs,
         .drop_inode     = sysfs_delete_inode,
-        .clear_inode    = sysfs_clear_inode,
 };
 
-static struct sysfs_dirent sysfs_root = {
-        .s_sibling      = LIST_HEAD_INIT(sysfs_root.s_sibling),
-        .s_children     = LIST_HEAD_INIT(sysfs_root.s_children),
-        .s_element      = NULL,
-        .s_type         = SYSFS_ROOT,
-        .s_iattr        = NULL,
+struct sysfs_dirent sysfs_root = {
+        .s_count        = ATOMIC_INIT(1),
+        .s_flags        = SYSFS_ROOT,
+        .s_mode         = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
         .s_ino          = 1,
 };
 
-static void sysfs_clear_inode(struct inode *inode)
-{
-        kfree(inode->i_private);
-}
-
 static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
 {
         struct inode *inode;
@@ -53,24 +43,26 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
         sb->s_time_gran = 1;
         sysfs_sb = sb;
 
-        inode = sysfs_new_inode(S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO,
-                                 &sysfs_root);
-        if (inode) {
-                inode->i_op = &sysfs_dir_inode_operations;
-                inode->i_fop = &sysfs_dir_operations;
-                /* directory inodes start off with i_nlink == 2 (for "." entry) */
-                inc_nlink(inode);
-        } else {
+        inode = new_inode(sysfs_sb);
+        if (!inode) {
                 pr_debug("sysfs: could not get root inode\n");
                 return -ENOMEM;
         }
 
+        sysfs_init_inode(&sysfs_root, inode);
+
+        inode->i_op = &sysfs_dir_inode_operations;
+        inode->i_fop = &sysfs_dir_operations;
+        /* directory inodes start off with i_nlink == 2 (for "." entry) */
+        inc_nlink(inode);
+
         root = d_alloc_root(inode);
         if (!root) {
                 pr_debug("%s: could not get root dentry!\n",__FUNCTION__);
                 iput(inode);
                 return -ENOMEM;
         }
+        sysfs_root.s_dentry = root;
         root->d_fsdata = &sysfs_root;
         sb->s_root = root;
         return 0;