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, 28 insertions, 15 deletions

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 7d5d1ec95c2e..be8228e50a27 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -19,10 +19,15 @@ struct kobject;
 struct module;
 struct nameidata;
 struct dentry;
+struct sysfs_dirent;
 
+/* FIXME
+ * The *owner field is no longer used, but leave around
+ * until the tree gets cleaned up fully.
+ */
 struct attribute {
         const char              * name;
-        struct module           * owner;
+        struct module           * owner;
         mode_t                  mode;
 };
 
@@ -39,14 +44,14 @@ struct attribute_group {
  */
 
 #define __ATTR(_name,_mode,_show,_store) { \
-        .attr = {.name = __stringify(_name), .mode = _mode, .owner = THIS_MODULE },     \
+        .attr = {.name = __stringify(_name), .mode = _mode },   \
         .show   = _show,                                        \
         .store  = _store,                                       \
 }
 
 #define __ATTR_RO(_name) { \
-        .attr   = { .name = __stringify(_name), .mode = 0444, .owner = THIS_MODULE },   \
-        .show   = _name##_show, \
+        .attr   = { .name = __stringify(_name), .mode = 0444 }, \
+        .show   = _name##_show,                                 \
 }
 
 #define __ATTR_NULL { .attr = { .name = NULL } }
@@ -59,8 +64,10 @@ struct bin_attribute {
         struct attribute        attr;
         size_t                  size;
         void                    *private;
-        ssize_t (*read)(struct kobject *, char *, loff_t, size_t);
-        ssize_t (*write)(struct kobject *, char *, loff_t, size_t);
+        ssize_t (*read)(struct kobject *, struct bin_attribute *,
+                        char *, loff_t, size_t);
+        ssize_t (*write)(struct kobject *, struct bin_attribute *,
+                         char *, loff_t, size_t);
         int (*mmap)(struct kobject *, struct bin_attribute *attr,
                     struct vm_area_struct *vma);
 };
@@ -70,12 +77,16 @@ struct sysfs_ops {
         ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t);
 };
 
+#define SYSFS_TYPE_MASK         0x00ff
 #define SYSFS_ROOT              0x0001
 #define SYSFS_DIR               0x0002
 #define SYSFS_KOBJ_ATTR         0x0004
 #define SYSFS_KOBJ_BIN_ATTR     0x0008
 #define SYSFS_KOBJ_LINK         0x0020
-#define SYSFS_NOT_PINNED        (SYSFS_KOBJ_ATTR | SYSFS_KOBJ_BIN_ATTR | SYSFS_KOBJ_LINK)
+#define SYSFS_COPY_NAME         (SYSFS_DIR | SYSFS_KOBJ_LINK)
+
+#define SYSFS_FLAG_MASK         ~SYSFS_TYPE_MASK
+#define SYSFS_FLAG_REMOVED      0x0100
 
 #ifdef CONFIG_SYSFS
 
@@ -83,13 +94,14 @@ extern int sysfs_schedule_callback(struct kobject *kobj,
                 void (*func)(void *), void *data, struct module *owner);
 
 extern int __must_check
-sysfs_create_dir(struct kobject *, struct dentry *);
+sysfs_create_dir(struct kobject *kobj, struct sysfs_dirent *shadow_parent_sd);
 
 extern void
 sysfs_remove_dir(struct kobject *);
 
 extern int __must_check
-sysfs_rename_dir(struct kobject *, struct dentry *, const char *new_name);
+sysfs_rename_dir(struct kobject *kobj, struct sysfs_dirent *new_parent_sd,
+                 const char *new_name);
 
 extern int __must_check
 sysfs_move_dir(struct kobject *, struct kobject *);
@@ -129,8 +141,8 @@ void sysfs_notify(struct kobject * k, char *dir, char *attr);
 
 extern int sysfs_make_shadowed_dir(struct kobject *kobj,
         void * (*follow_link)(struct dentry *, struct nameidata *));
-extern struct dentry *sysfs_create_shadow_dir(struct kobject *kobj);
-extern void sysfs_remove_shadow_dir(struct dentry *dir);
+extern struct sysfs_dirent *sysfs_create_shadow_dir(struct kobject *kobj);
+extern void sysfs_remove_shadow_dir(struct sysfs_dirent *shadow_sd);
 
 extern int __must_check sysfs_init(void);
 
@@ -142,7 +154,8 @@ static inline int sysfs_schedule_callback(struct kobject *kobj,
         return -ENOSYS;
 }
 
-static inline int sysfs_create_dir(struct kobject * k, struct dentry *shadow)
+static inline int sysfs_create_dir(struct kobject *kobj,
+                                   struct sysfs_dirent *shadow_parent_sd)
 {
         return 0;
 }
@@ -152,9 +165,9 @@ static inline void sysfs_remove_dir(struct kobject * k)
         ;
 }
 
-static inline int sysfs_rename_dir(struct kobject * k,
-                                        struct dentry *new_parent,
-                                        const char *new_name)
+static inline int sysfs_rename_dir(struct kobject *kobj,
+                                   struct sysfs_dirent *new_parent_sd,
+                                   const char *new_name)
 {
         return 0;
 }