Merge branches 'sh/g3-prep' and 'sh/stable-updates'

15 files changed, 567 insertions, 659 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 19ef8ebdc662..71dafb69cfeb 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -296,6 +296,7 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd,
 #define DRM_MASTER      0x2
 #define DRM_ROOT_ONLY   0x4
 #define DRM_CONTROL_ALLOW 0x8
+#define DRM_UNLOCKED    0x10
 
 struct drm_ioctl_desc {
         unsigned int cmd;
@@ -1128,8 +1129,8 @@ static inline int drm_mtrr_del(int handle, unsigned long offset,
                                 /* Driver support (drm_drv.h) */
 extern int drm_init(struct drm_driver *driver);
 extern void drm_exit(struct drm_driver *driver);
-extern int drm_ioctl(struct inode *inode, struct file *filp,
-                     unsigned int cmd, unsigned long arg);
+extern long drm_ioctl(struct file *filp,
+                      unsigned int cmd, unsigned long arg);
 extern long drm_compat_ioctl(struct file *filp,
                              unsigned int cmd, unsigned long arg);
 extern int drm_lastclose(struct drm_device *dev);
diff --git a/include/linux/device.h b/include/linux/device.h
index 2a73d9bcbc9c..a62799f2ab00 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -166,9 +166,9 @@ struct driver_attribute driver_attr_##_name =		\
         __ATTR(_name, _mode, _show, _store)
 
 extern int __must_check driver_create_file(struct device_driver *driver,
-                                           struct driver_attribute *attr);
+                                        const struct driver_attribute *attr);
 extern void driver_remove_file(struct device_driver *driver,
-                               struct driver_attribute *attr);
+                               const struct driver_attribute *attr);
 
 extern int __must_check driver_add_kobj(struct device_driver *drv,
                                         struct kobject *kobj,
@@ -319,13 +319,13 @@ struct device_attribute {
 struct device_attribute dev_attr_##_name = __ATTR(_name, _mode, _show, _store)
 
 extern int __must_check device_create_file(struct device *device,
-                                           struct device_attribute *entry);
+                                        const struct device_attribute *entry);
 extern void device_remove_file(struct device *dev,
-                               struct device_attribute *attr);
+                               const struct device_attribute *attr);
 extern int __must_check device_create_bin_file(struct device *dev,
-                                               struct bin_attribute *attr);
+                                        const struct bin_attribute *attr);
 extern void device_remove_bin_file(struct device *dev,
-                                   struct bin_attribute *attr);
+                                   const struct bin_attribute *attr);
 extern int device_schedule_callback_owner(struct device *dev,
                 void (*func)(struct device *dev), struct module *owner);
 
diff --git a/include/linux/dst.h b/include/linux/dst.h
deleted file mode 100644
index e26fed84b1aa..000000000000
--- a/include/linux/dst.h
+++ /dev/null
@@ -1,587 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <johnpol@2ka.mipt.ru>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __DST_H
-#define __DST_H
-
-#include <linux/types.h>
-#include <linux/connector.h>
-
-#define DST_NAMELEN             32
-#define DST_NAME                "dst"
-
-enum {
-        /* Remove node with given id from storage */
-        DST_DEL_NODE    = 0,
-        /* Add remote node with given id to the storage */
-        DST_ADD_REMOTE,
-        /* Add local node with given id to the storage to be exported and used by remote peers */
-        DST_ADD_EXPORT,
-        /* Crypto initialization command (hash/cipher used to protect the connection) */
-        DST_CRYPTO,
-        /* Security attributes for given connection (permissions for example) */
-        DST_SECURITY,
-        /* Register given node in the block layer subsystem */
-        DST_START,
-        DST_CMD_MAX
-};
-
-struct dst_ctl
-{
-        /* Storage name */
-        char                    name[DST_NAMELEN];
-        /* Command flags */
-        __u32                   flags;
-        /* Command itself (see above) */
-        __u32                   cmd;
-        /* Maximum number of pages per single request in this device */
-        __u32                   max_pages;
-        /* Stale/error transaction scanning timeout in milliseconds */
-        __u32                   trans_scan_timeout;
-        /* Maximum number of retry sends before completing transaction as broken */
-        __u32                   trans_max_retries;
-        /* Storage size */
-        __u64                   size;
-};
-
-/* Reply command carries completion status */
-struct dst_ctl_ack
-{
-        struct cn_msg           msg;
-        int                     error;
-        int                     unused[3];
-};
-
-/*
- * Unfortunaltely socket address structure is not exported to userspace
- * and is redefined there.
- */
-#define SADDR_MAX_DATA  128
-
-struct saddr {
-        /* address family, AF_xxx       */
-        unsigned short          sa_family;
-        /* 14 bytes of protocol address */
-        char                    sa_data[SADDR_MAX_DATA];
-        /* Number of bytes used in sa_data */
-        unsigned short          sa_data_len;
-};
-
-/* Address structure */
-struct dst_network_ctl
-{
-        /* Socket type: datagram, stream...*/
-        unsigned int            type;
-        /* Let me guess, is it a Jupiter diameter? */
-        unsigned int            proto;
-        /* Peer's address */
-        struct saddr            addr;
-};
-
-struct dst_crypto_ctl
-{
-        /* Cipher and hash names */
-        char                    cipher_algo[DST_NAMELEN];
-        char                    hash_algo[DST_NAMELEN];
-
-        /* Key sizes. Can be zero for digest for example */
-        unsigned int            cipher_keysize, hash_keysize;
-        /* Alignment. Calculated by the DST itself. */
-        unsigned int            crypto_attached_size;
-        /* Number of threads to perform crypto operations */
-        int                     thread_num;
-};
-
-/* Export security attributes have this bits checked in when client connects */
-#define DST_PERM_READ           (1<<0)
-#define DST_PERM_WRITE          (1<<1)
-
-/*
- * Right now it is simple model, where each remote address
- * is assigned to set of permissions it is allowed to perform.
- * In real world block device does not know anything but
- * reading and writing, so it should be more than enough.
- */
-struct dst_secure_user
-{
-        unsigned int            permissions;
-        struct saddr            addr;
-};
-
-/*
- * Export control command: device to export and network address to accept
- * clients to work with given device
- */
-struct dst_export_ctl
-{
-        char                    device[DST_NAMELEN];
-        struct dst_network_ctl  ctl;
-};
-
-enum {
-        DST_CFG = 1,            /* Request remote configuration */
-        DST_IO,                 /* IO command */
-        DST_IO_RESPONSE,        /* IO response */
-        DST_PING,               /* Keepalive message */
-        DST_NCMD_MAX,
-};
-
-struct dst_cmd
-{
-        /* Network command itself, see above */
-        __u32                   cmd;
-        /*
-         * Size of the attached data
-         * (in most cases, for READ command it means how many bytes were requested)
-         */
-        __u32                   size;
-        /* Crypto size: number of attached bytes with digest/hmac */
-        __u32                   csize;
-        /* Here we can carry secret data */
-        __u32                   reserved;
-        /* Read/write bits, see how they are encoded in bio structure */
-        __u64                   rw;
-        /* BIO flags */
-        __u64                   flags;
-        /* Unique command id (like transaction ID) */
-        __u64                   id;
-        /* Sector to start IO from */
-        __u64                   sector;
-        /* Hash data is placed after this header */
-        __u8                    hash[0];
-};
-
-/*
- * Convert command to/from network byte order.
- * We do not use hton*() functions, since there is
- * no 64-bit implementation.
- */
-static inline void dst_convert_cmd(struct dst_cmd *c)
-{
-        c->cmd = __cpu_to_be32(c->cmd);
-        c->csize = __cpu_to_be32(c->csize);
-        c->size = __cpu_to_be32(c->size);
-        c->sector = __cpu_to_be64(c->sector);
-        c->id = __cpu_to_be64(c->id);
-        c->flags = __cpu_to_be64(c->flags);
-        c->rw = __cpu_to_be64(c->rw);
-}
-
-/* Transaction id */
-typedef __u64 dst_gen_t;
-
-#ifdef __KERNEL__
-
-#include <linux/blkdev.h>
-#include <linux/bio.h>
-#include <linux/device.h>
-#include <linux/mempool.h>
-#include <linux/net.h>
-#include <linux/poll.h>
-#include <linux/rbtree.h>
-
-#ifdef CONFIG_DST_DEBUG
-#define dprintk(f, a...) printk(KERN_NOTICE f, ##a)
-#else
-static inline void __attribute__ ((format (printf, 1, 2)))
-        dprintk(const char *fmt, ...) {}
-#endif
-
-struct dst_node;
-
-struct dst_trans
-{
-        /* DST node we are working with */
-        struct dst_node         *n;
-
-        /* Entry inside transaction tree */
-        struct rb_node          trans_entry;
-
-        /* Merlin kills this transaction when this memory cell equals zero */
-        atomic_t                refcnt;
-
-        /* How this transaction should be processed by crypto engine */
-        short                   enc;
-        /* How many times this transaction was resent */
-        short                   retries;
-        /* Completion status */
-        int                     error;
-
-        /* When did we send it to the remote peer */
-        long                    send_time;
-
-        /* My name is...
-         * Well, computers does not speak, they have unique id instead */
-        dst_gen_t               gen;
-
-        /* Block IO we are working with */
-        struct bio              *bio;
-
-        /* Network command for above block IO request */
-        struct dst_cmd          cmd;
-};
-
-struct dst_crypto_engine
-{
-        /* What should we do with all block requests */
-        struct crypto_hash      *hash;
-        struct crypto_ablkcipher        *cipher;
-
-        /* Pool of pages used to encrypt data into before sending */
-        int                     page_num;
-        struct page             **pages;
-
-        /* What to do with current request */
-        int                     enc;
-        /* Who we are and where do we go */
-        struct scatterlist      *src, *dst;
-
-        /* Maximum timeout waiting for encryption to be completed */
-        long                    timeout;
-        /* IV is a 64-bit sequential counter */
-        u64                     iv;
-
-        /* Secret data */
-        void                    *private;
-
-        /* Cached temporary data lives here */
-        int                     size;
-        void                    *data;
-};
-
-struct dst_state
-{
-        /* The main state protection */
-        struct mutex            state_lock;
-
-        /* Polling machinery for sockets */
-        wait_queue_t            wait;
-        wait_queue_head_t       *whead;
-        /* Most of events are being waited here */
-        wait_queue_head_t       thread_wait;
-
-        /* Who owns this? */
-        struct dst_node         *node;
-
-        /* Network address for this state */
-        struct dst_network_ctl  ctl;
-
-        /* Permissions to work with: read-only or rw connection */
-        u32                     permissions;
-
-        /* Called when we need to clean private data */
-        void                    (* cleanup)(struct dst_state *st);
-
-        /* Used by the server: BIO completion queues BIOs here */
-        struct list_head        request_list;
-        spinlock_t              request_lock;
-
-        /* Guess what? No, it is not number of planets */
-        atomic_t                refcnt;
-
-        /* This flags is set when connection should be dropped */
-        int                     need_exit;
-
-        /*
-         * Socket to work with. Second pointer is used for
-         * lockless check if socket was changed before performing
-         * next action (like working with cached polling result)
-         */
-        struct socket           *socket, *read_socket;
-
-        /* Cached preallocated data */
-        void                    *data;
-        unsigned int            size;
-
-        /* Currently processed command */
-        struct dst_cmd          cmd;
-};
-
-struct dst_info
-{
-        /* Device size */
-        u64                     size;
-
-        /* Local device name for export devices */
-        char                    local[DST_NAMELEN];
-
-        /* Network setup */
-        struct dst_network_ctl  net;
-
-        /* Sysfs bits use this */
-        struct device           device;
-};
-
-struct dst_node
-{
-        struct list_head        node_entry;
-
-        /* Hi, my name is stored here */
-        char                    name[DST_NAMELEN];
-        /* My cache name is stored here */
-        char                    cache_name[DST_NAMELEN];
-
-        /* Block device attached to given node.
-         * Only valid for exporting nodes */
-        struct block_device     *bdev;
-        /* Network state machine for given peer */
-        struct dst_state        *state;
-
-        /* Block IO machinery */
-        struct request_queue    *queue;
-        struct gendisk          *disk;
-
-        /* Number of threads in processing pool */
-        int                     thread_num;
-        /* Maximum number of pages in single IO */
-        int                     max_pages;
-
-        /* I'm that big in bytes */
-        loff_t                  size;
-
-        /* Exported to userspace node information */
-        struct dst_info         *info;
-
-        /*
-         * Security attribute list.
-         * Used only by exporting node currently.
-         */
-        struct list_head        security_list;
-        struct mutex            security_lock;
-
-        /*
-         * When this unerflows below zero, university collapses.
-         * But this will not happen, since node will be freed,
-         * when reference counter reaches zero.
-         */
-        atomic_t                refcnt;
-
-        /* How precisely should I be started? */
-        int                     (*start)(struct dst_node *);
-
-        /* Crypto capabilities */
-        struct dst_crypto_ctl   crypto;
-        u8                      *hash_key;
-        u8                      *cipher_key;
-
-        /* Pool of processing thread */
-        struct thread_pool      *pool;
-
-        /* Transaction IDs live here */
-        atomic_long_t           gen;
-
-        /*
-         * How frequently and how many times transaction
-         * tree should be scanned to drop stale objects.
-         */
-        long                    trans_scan_timeout;
-        int                     trans_max_retries;
-
-        /* Small gnomes live here */
-        struct rb_root          trans_root;
-        struct mutex            trans_lock;
-
-        /*
-         * Transaction cache/memory pool.
-         * It is big enough to contain not only transaction
-         * itself, but additional crypto data (digest/hmac).
-         */
-        struct kmem_cache       *trans_cache;
-        mempool_t               *trans_pool;
-
-        /* This entity scans transaction tree */
-        struct delayed_work     trans_work;
-
-        wait_queue_head_t       wait;
-};
-
-/* Kernel representation of the security attribute */
-struct dst_secure
-{
-        struct list_head        sec_entry;
-        struct dst_secure_user  sec;
-};
-
-int dst_process_bio(struct dst_node *n, struct bio *bio);
-
-int dst_node_init_connected(struct dst_node *n, struct dst_network_ctl *r);
-int dst_node_init_listened(struct dst_node *n, struct dst_export_ctl *le);
-
-static inline struct dst_state *dst_state_get(struct dst_state *st)
-{
-        BUG_ON(atomic_read(&st->refcnt) == 0);
-        atomic_inc(&st->refcnt);
-        return st;
-}
-
-void dst_state_put(struct dst_state *st);
-
-struct dst_state *dst_state_alloc(struct dst_node *n);
-int dst_state_socket_create(struct dst_state *st);
-void dst_state_socket_release(struct dst_state *st);
-
-void dst_state_exit_connected(struct dst_state *st);
-
-int dst_state_schedule_receiver(struct dst_state *st);
-
-void dst_dump_addr(struct socket *sk, struct sockaddr *sa, char *str);
-
-static inline void dst_state_lock(struct dst_state *st)
-{
-        mutex_lock(&st->state_lock);
-}
-
-static inline void dst_state_unlock(struct dst_state *st)
-{
-        mutex_unlock(&st->state_lock);
-}
-
-void dst_poll_exit(struct dst_state *st);
-int dst_poll_init(struct dst_state *st);
-
-static inline unsigned int dst_state_poll(struct dst_state *st)
-{
-        unsigned int revents = POLLHUP | POLLERR;
-
-        dst_state_lock(st);
-        if (st->socket)
-                revents = st->socket->ops->poll(NULL, st->socket, NULL);
-        dst_state_unlock(st);
-
-        return revents;
-}
-
-static inline int dst_thread_setup(void *private, void *data)
-{
-        return 0;
-}
-
-void dst_node_put(struct dst_node *n);
-
-static inline struct dst_node *dst_node_get(struct dst_node *n)
-{
-        atomic_inc(&n->refcnt);
-        return n;
-}
-
-int dst_data_recv(struct dst_state *st, void *data, unsigned int size);
-int dst_recv_cdata(struct dst_state *st, void *cdata);
-int dst_data_send_header(struct socket *sock,
-                void *data, unsigned int size, int more);
-
-int dst_send_bio(struct dst_state *st, struct dst_cmd *cmd, struct bio *bio);
-
-int dst_process_io(struct dst_state *st);
-int dst_export_crypto(struct dst_node *n, struct bio *bio);
-int dst_export_send_bio(struct bio *bio);
-int dst_start_export(struct dst_node *n);
-
-int __init dst_export_init(void);
-void dst_export_exit(void);
-
-/* Private structure for export block IO requests */
-struct dst_export_priv
-{
-        struct list_head                request_entry;
-        struct dst_state                *state;
-        struct bio                      *bio;
-        struct dst_cmd                  cmd;
-};
-
-static inline void dst_trans_get(struct dst_trans *t)
-{
-        atomic_inc(&t->refcnt);
-}
-
-struct dst_trans *dst_trans_search(struct dst_node *node, dst_gen_t gen);
-int dst_trans_remove(struct dst_trans *t);
-int dst_trans_remove_nolock(struct dst_trans *t);
-void dst_trans_put(struct dst_trans *t);
-
-/*
- * Convert bio into network command.
- */
-static inline void dst_bio_to_cmd(struct bio *bio, struct dst_cmd *cmd,
-                u32 command, u64 id)
-{
-        cmd->cmd = command;
-        cmd->flags = (bio->bi_flags << BIO_POOL_BITS) >> BIO_POOL_BITS;
-        cmd->rw = bio->bi_rw;
-        cmd->size = bio->bi_size;
-        cmd->csize = 0;
-        cmd->id = id;
-        cmd->sector = bio->bi_sector;
-};
-
-int dst_trans_send(struct dst_trans *t);
-int dst_trans_crypto(struct dst_trans *t);
-
-int dst_node_crypto_init(struct dst_node *n, struct dst_crypto_ctl *ctl);
-void dst_node_crypto_exit(struct dst_node *n);
-
-static inline int dst_need_crypto(struct dst_node *n)
-{
-        struct dst_crypto_ctl *c = &n->crypto;
-        /*
-         * Logical OR is appropriate here, but boolean one produces
-         * more optimal code, so it is used instead.
-         */
-        return (c->hash_algo[0] | c->cipher_algo[0]);
-}
-
-int dst_node_trans_init(struct dst_node *n, unsigned int size);
-void dst_node_trans_exit(struct dst_node *n);
-
-/*
- * Pool of threads.
- * Ready list contains threads currently free to be used,
- * active one contains threads with some work scheduled for them.
- * Caller can wait in given queue when thread is ready.
- */
-struct thread_pool
-{
-        int                     thread_num;
-        struct mutex            thread_lock;
-        struct list_head        ready_list, active_list;
-
-        wait_queue_head_t       wait;
-};
-
-void thread_pool_del_worker(struct thread_pool *p);
-void thread_pool_del_worker_id(struct thread_pool *p, unsigned int id);
-int thread_pool_add_worker(struct thread_pool *p,
-                char *name,
-                unsigned int id,
-                void *(* init)(void *data),
-                void (* cleanup)(void *data),
-                void *data);
-
-void thread_pool_destroy(struct thread_pool *p);
-struct thread_pool *thread_pool_create(int num, char *name,
-                void *(* init)(void *data),
-                void (* cleanup)(void *data),
-                void *data);
-
-int thread_pool_schedule(struct thread_pool *p,
-                int (* setup)(void *stored_private, void *setup_data),
-                int (* action)(void *stored_private, void *setup_data),
-                void *setup_data, long timeout);
-int thread_pool_schedule_private(struct thread_pool *p,
-                int (* setup)(void *private, void *data),
-                int (* action)(void *private, void *data),
-                void *data, long timeout, void *id);
-
-#endif /* __KERNEL__ */
-#endif /* __DST_H */
diff --git a/include/linux/ext3_fs_sb.h b/include/linux/ext3_fs_sb.h
index f07f34de2f0e..258088ab3c6b 100644
--- a/include/linux/ext3_fs_sb.h
+++ b/include/linux/ext3_fs_sb.h
@@ -72,6 +72,8 @@ struct ext3_sb_info {
         struct inode * s_journal_inode;
         struct journal_s * s_journal;
         struct list_head s_orphan;
+        struct mutex s_orphan_lock;
+        struct mutex s_resize_lock;
         unsigned long s_commit_interval;
         struct block_device *journal_bdev;
 #ifdef CONFIG_JBD_DEBUG
diff --git a/include/linux/ext3_jbd.h b/include/linux/ext3_jbd.h
index cf82d519be40..d7b5ddca99c2 100644
--- a/include/linux/ext3_jbd.h
+++ b/include/linux/ext3_jbd.h
@@ -44,13 +44,13 @@
 
 #define EXT3_DATA_TRANS_BLOCKS(sb)      (EXT3_SINGLEDATA_TRANS_BLOCKS + \
                                          EXT3_XATTR_TRANS_BLOCKS - 2 + \
-                                         2*EXT3_QUOTA_TRANS_BLOCKS(sb))
+                                         EXT3_MAXQUOTAS_TRANS_BLOCKS(sb))
 
 /* Delete operations potentially hit one directory's namespace plus an
  * entire inode, plus arbitrary amounts of bitmap/indirection data.  Be
  * generous.  We can grow the delete transaction later if necessary. */
 
-#define EXT3_DELETE_TRANS_BLOCKS(sb)    (2 * EXT3_DATA_TRANS_BLOCKS(sb) + 64)
+#define EXT3_DELETE_TRANS_BLOCKS(sb)   (EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) + 64)
 
 /* Define an arbitrary limit for the amount of data we will anticipate
  * writing to any given transaction.  For unbounded transactions such as
@@ -86,6 +86,9 @@
 #define EXT3_QUOTA_INIT_BLOCKS(sb) 0
 #define EXT3_QUOTA_DEL_BLOCKS(sb) 0
 #endif
+#define EXT3_MAXQUOTAS_TRANS_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_TRANS_BLOCKS(sb))
+#define EXT3_MAXQUOTAS_INIT_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_INIT_BLOCKS(sb))
+#define EXT3_MAXQUOTAS_DEL_BLOCKS(sb) (MAXQUOTAS*EXT3_QUOTA_DEL_BLOCKS(sb))
 
 int
 ext3_mark_iloc_dirty(handle_t *handle,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index cca191933ff6..9147ca88f253 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1624,8 +1624,6 @@ struct super_operations {
  *                      on the bit address once it is done.
  *
  * Q: What is the difference between I_WILL_FREE and I_FREEING?
- * Q: igrab() only checks on (I_FREEING|I_WILL_FREE).  Should it also check on
- *    I_CLEAR?  If not, why?
  */
 #define I_DIRTY_SYNC            1
 #define I_DIRTY_DATASYNC        2
@@ -2299,6 +2297,7 @@ extern const struct inode_operations page_symlink_inode_operations;
 extern int generic_readlink(struct dentry *, char __user *, int);
 extern void generic_fillattr(struct inode *, struct kstat *);
 extern int vfs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+void __inode_add_bytes(struct inode *inode, loff_t bytes);
 void inode_add_bytes(struct inode *inode, loff_t bytes);
 void inode_sub_bytes(struct inode *inode, loff_t bytes);
 loff_t inode_get_bytes(struct inode *inode);
@@ -2464,5 +2463,8 @@ int proc_nr_files(struct ctl_table *table, int write,
 
 int __init get_filesystem_list(char *buf);
 
+#define ACC_MODE(x) ("\000\004\002\006"[(x)&O_ACCMODE])
+#define OPEN_FMODE(flag) ((__force fmode_t)((flag + 1) & O_ACCMODE))
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_FS_H */
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index ad6bdf5a5970..3d44e9c65a8e 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -1,6 +1,7 @@
 /*
- * A simple kernel FIFO implementation.
+ * A generic kernel FIFO implementation.
  *
+ * Copyright (C) 2009 Stefani Seibold <stefani@seibold.net>
  * Copyright (C) 2004 Stelian Pop <stelian@popies.net>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -18,6 +19,25 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  *
  */
+
+/*
+ * Howto porting drivers to the new generic fifo API:
+ *
+ * - Modify the declaration of the "struct kfifo *" object into a
+ *   in-place "struct kfifo" object
+ * - Init the in-place object with kfifo_alloc() or kfifo_init()
+ *   Note: The address of the in-place "struct kfifo" object must be
+ *   passed as the first argument to this functions
+ * - Replace the use of __kfifo_put into kfifo_in and __kfifo_get
+ *   into kfifo_out
+ * - Replace the use of kfifo_put into kfifo_in_locked and kfifo_get
+ *   into kfifo_out_locked
+ *   Note: the spinlock pointer formerly passed to kfifo_init/kfifo_alloc
+ *   must be passed now to the kfifo_in_locked and kfifo_out_locked
+ *   as the last parameter.
+ * - All formerly name __kfifo_* functions has been renamed into kfifo_*
+ */
+
 #ifndef _LINUX_KFIFO_H
 #define _LINUX_KFIFO_H
 
@@ -29,124 +49,562 @@ struct kfifo {
         unsigned int size;      /* the size of the allocated buffer */
         unsigned int in;        /* data is added at offset (in % size) */
         unsigned int out;       /* data is extracted from off. (out % size) */
-        spinlock_t *lock;       /* protects concurrent modifications */
 };
 
-extern struct kfifo *kfifo_init(unsigned char *buffer, unsigned int size,
-                                gfp_t gfp_mask, spinlock_t *lock);
-extern struct kfifo *kfifo_alloc(unsigned int size, gfp_t gfp_mask,
-                                 spinlock_t *lock);
+/*
+ * Macros for declaration and initialization of the kfifo datatype
+ */
+
+/* helper macro */
+#define __kfifo_initializer(s, b) \
+        (struct kfifo) { \
+                .size   = s, \
+                .in     = 0, \
+                .out    = 0, \
+                .buffer = b \
+        }
+
+/**
+ * DECLARE_KFIFO - macro to declare a kfifo and the associated buffer
+ * @name: name of the declared kfifo datatype
+ * @size: size of the fifo buffer
+ *
+ * Note1: the macro can be used inside struct or union declaration
+ * Note2: the macro creates two objects:
+ *  A kfifo object with the given name and a buffer for the kfifo
+ *  object named name##kfifo_buffer
+ */
+#define DECLARE_KFIFO(name, size) \
+union { \
+        struct kfifo name; \
+        unsigned char name##kfifo_buffer[size + sizeof(struct kfifo)]; \
+}
+
+/**
+ * INIT_KFIFO - Initialize a kfifo declared by DECLARED_KFIFO
+ * @name: name of the declared kfifo datatype
+ */
+#define INIT_KFIFO(name) \
+        name = __kfifo_initializer(sizeof(name##kfifo_buffer) - \
+                                sizeof(struct kfifo), name##kfifo_buffer)
+
+/**
+ * DEFINE_KFIFO - macro to define and initialize a kfifo
+ * @name: name of the declared kfifo datatype
+ * @size: size of the fifo buffer
+ *
+ * Note1: the macro can be used for global and local kfifo data type variables
+ * Note2: the macro creates two objects:
+ *  A kfifo object with the given name and a buffer for the kfifo
+ *  object named name##kfifo_buffer
+ */
+#define DEFINE_KFIFO(name, size) \
+        unsigned char name##kfifo_buffer[size]; \
+        struct kfifo name = __kfifo_initializer(size, name##kfifo_buffer)
+
+#undef __kfifo_initializer
+
+extern void kfifo_init(struct kfifo *fifo, unsigned char *buffer,
+                        unsigned int size);
+extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size,
+                        gfp_t gfp_mask);
 extern void kfifo_free(struct kfifo *fifo);
-extern unsigned int __kfifo_put(struct kfifo *fifo,
-                                const unsigned char *buffer, unsigned int len);
-extern unsigned int __kfifo_get(struct kfifo *fifo,
-                                unsigned char *buffer, unsigned int len);
+extern unsigned int kfifo_in(struct kfifo *fifo,
+                                const unsigned char *from, unsigned int len);
+extern __must_check unsigned int kfifo_out(struct kfifo *fifo,
+                                unsigned char *to, unsigned int len);
 
 /**
- * __kfifo_reset - removes the entire FIFO contents, no locking version
+ * kfifo_reset - removes the entire FIFO contents
  * @fifo: the fifo to be emptied.
  */
-static inline void __kfifo_reset(struct kfifo *fifo)
+static inline void kfifo_reset(struct kfifo *fifo)
 {
         fifo->in = fifo->out = 0;
 }
 
 /**
- * kfifo_reset - removes the entire FIFO contents
+ * kfifo_reset_out - skip FIFO contents
  * @fifo: the fifo to be emptied.
  */
-static inline void kfifo_reset(struct kfifo *fifo)
+static inline void kfifo_reset_out(struct kfifo *fifo)
 {
-        unsigned long flags;
+        smp_mb();
+        fifo->out = fifo->in;
+}
 
-        spin_lock_irqsave(fifo->lock, flags);
+/**
+ * kfifo_size - returns the size of the fifo in bytes
+ * @fifo: the fifo to be used.
+ */
+static inline __must_check unsigned int kfifo_size(struct kfifo *fifo)
+{
+        return fifo->size;
+}
 
-        __kfifo_reset(fifo);
+/**
+ * kfifo_len - returns the number of used bytes in the FIFO
+ * @fifo: the fifo to be used.
+ */
+static inline unsigned int kfifo_len(struct kfifo *fifo)
+{
+        register unsigned int   out;
 
-        spin_unlock_irqrestore(fifo->lock, flags);
+        out = fifo->out;
+        smp_rmb();
+        return fifo->in - out;
 }
 
 /**
- * kfifo_put - puts some data into the FIFO
+ * kfifo_is_empty - returns true if the fifo is empty
  * @fifo: the fifo to be used.
- * @buffer: the data to be added.
- * @len: the length of the data to be added.
+ */
+static inline __must_check int kfifo_is_empty(struct kfifo *fifo)
+{
+        return fifo->in == fifo->out;
+}
+
+/**
+ * kfifo_is_full - returns true if the fifo is full
+ * @fifo: the fifo to be used.
+ */
+static inline __must_check int kfifo_is_full(struct kfifo *fifo)
+{
+        return kfifo_len(fifo) == kfifo_size(fifo);
+}
+
+/**
+ * kfifo_avail - returns the number of bytes available in the FIFO
+ * @fifo: the fifo to be used.
+ */
+static inline __must_check unsigned int kfifo_avail(struct kfifo *fifo)
+{
+        return kfifo_size(fifo) - kfifo_len(fifo);
+}
+
+/**
+ * kfifo_in_locked - puts some data into the FIFO using a spinlock for locking
+ * @fifo: the fifo to be used.
+ * @from: the data to be added.
+ * @n: the length of the data to be added.
+ * @lock: pointer to the spinlock to use for locking.
  *
- * This function copies at most @len bytes from the @buffer into
+ * This function copies at most @len bytes from the @from buffer into
  * the FIFO depending on the free space, and returns the number of
  * bytes copied.
  */
-static inline unsigned int kfifo_put(struct kfifo *fifo,
-                                const unsigned char *buffer, unsigned int len)
+static inline unsigned int kfifo_in_locked(struct kfifo *fifo,
+                const unsigned char *from, unsigned int n, spinlock_t *lock)
 {
         unsigned long flags;
         unsigned int ret;
 
-        spin_lock_irqsave(fifo->lock, flags);
+        spin_lock_irqsave(lock, flags);
 
-        ret = __kfifo_put(fifo, buffer, len);
+        ret = kfifo_in(fifo, from, n);
 
-        spin_unlock_irqrestore(fifo->lock, flags);
+        spin_unlock_irqrestore(lock, flags);
 
         return ret;
 }
 
 /**
- * kfifo_get - gets some data from the FIFO
+ * kfifo_out_locked - gets some data from the FIFO using a spinlock for locking
  * @fifo: the fifo to be used.
- * @buffer: where the data must be copied.
- * @len: the size of the destination buffer.
+ * @to: where the data must be copied.
+ * @n: the size of the destination buffer.
+ * @lock: pointer to the spinlock to use for locking.
  *
  * This function copies at most @len bytes from the FIFO into the
- * @buffer and returns the number of copied bytes.
+ * @to buffer and returns the number of copied bytes.
  */
-static inline unsigned int kfifo_get(struct kfifo *fifo,
-                                     unsigned char *buffer, unsigned int len)
+static inline __must_check unsigned int kfifo_out_locked(struct kfifo *fifo,
+        unsigned char *to, unsigned int n, spinlock_t *lock)
 {
         unsigned long flags;
         unsigned int ret;
 
-        spin_lock_irqsave(fifo->lock, flags);
+        spin_lock_irqsave(lock, flags);
 
-        ret = __kfifo_get(fifo, buffer, len);
+        ret = kfifo_out(fifo, to, n);
 
         /*
          * optimization: if the FIFO is empty, set the indices to 0
          * so we don't wrap the next time
          */
-        if (fifo->in == fifo->out)
-                fifo->in = fifo->out = 0;
+        if (kfifo_is_empty(fifo))
+                kfifo_reset(fifo);
+
+        spin_unlock_irqrestore(lock, flags);
+
+        return ret;
+}
+
+extern void kfifo_skip(struct kfifo *fifo, unsigned int len);
+
+extern __must_check unsigned int kfifo_from_user(struct kfifo *fifo,
+        const void __user *from, unsigned int n);
+
+extern __must_check unsigned int kfifo_to_user(struct kfifo *fifo,
+        void __user *to, unsigned int n);
+
+/*
+ * __kfifo_add_out internal helper function for updating the out offset
+ */
+static inline void __kfifo_add_out(struct kfifo *fifo,
+                                unsigned int off)
+{
+        smp_mb();
+        fifo->out += off;
+}
+
+/*
+ * __kfifo_add_in internal helper function for updating the in offset
+ */
+static inline void __kfifo_add_in(struct kfifo *fifo,
+                                unsigned int off)
+{
+        smp_wmb();
+        fifo->in += off;
+}
+
+/*
+ * __kfifo_off internal helper function for calculating the index of a
+ * given offeset
+ */
+static inline unsigned int __kfifo_off(struct kfifo *fifo, unsigned int off)
+{
+        return off & (fifo->size - 1);
+}
+
+/*
+ * __kfifo_peek_n internal helper function for determinate the length of
+ * the next record in the fifo
+ */
+static inline unsigned int __kfifo_peek_n(struct kfifo *fifo,
+                                unsigned int recsize)
+{
+#define __KFIFO_GET(fifo, off, shift) \
+        ((fifo)->buffer[__kfifo_off((fifo), (fifo)->out+(off))] << (shift))
+
+        unsigned int l;
+
+        l = __KFIFO_GET(fifo, 0, 0);
+
+        if (--recsize)
+                l |= __KFIFO_GET(fifo, 1, 8);
+
+        return l;
+#undef  __KFIFO_GET
+}
+
+/*
+ * __kfifo_poke_n internal helper function for storing the length of
+ * the next record into the fifo
+ */
+static inline void __kfifo_poke_n(struct kfifo *fifo,
+                        unsigned int recsize, unsigned int n)
+{
+#define __KFIFO_PUT(fifo, off, val, shift) \
+                ( \
+                (fifo)->buffer[__kfifo_off((fifo), (fifo)->in+(off))] = \
+                (unsigned char)((val) >> (shift)) \
+                )
 
-        spin_unlock_irqrestore(fifo->lock, flags);
+        __KFIFO_PUT(fifo, 0, n, 0);
 
+        if (--recsize)
+                __KFIFO_PUT(fifo, 1, n, 8);
+#undef  __KFIFO_PUT
+}
+
+/*
+ * __kfifo_in_... internal functions for put date into the fifo
+ * do not call it directly, use kfifo_in_rec() instead
+ */
+extern unsigned int __kfifo_in_n(struct kfifo *fifo,
+        const void *from, unsigned int n, unsigned int recsize);
+
+extern unsigned int __kfifo_in_generic(struct kfifo *fifo,
+        const void *from, unsigned int n, unsigned int recsize);
+
+static inline unsigned int __kfifo_in_rec(struct kfifo *fifo,
+        const void *from, unsigned int n, unsigned int recsize)
+{
+        unsigned int ret;
+
+        ret = __kfifo_in_n(fifo, from, n, recsize);
+
+        if (likely(ret == 0)) {
+                if (recsize)
+                        __kfifo_poke_n(fifo, recsize, n);
+                __kfifo_add_in(fifo, n + recsize);
+        }
         return ret;
 }
 
 /**
- * __kfifo_len - returns the number of bytes available in the FIFO, no locking version
+ * kfifo_in_rec - puts some record data into the FIFO
  * @fifo: the fifo to be used.
+ * @from: the data to be added.
+ * @n: the length of the data to be added.
+ * @recsize: size of record field
+ *
+ * This function copies @n bytes from the @from into the FIFO and returns
+ * the number of bytes which cannot be copied.
+ * A returned value greater than the @n value means that the record doesn't
+ * fit into the buffer.
+ *
+ * Note that with only one concurrent reader and one concurrent
+ * writer, you don't need extra locking to use these functions.
  */
-static inline unsigned int __kfifo_len(struct kfifo *fifo)
+static inline __must_check unsigned int kfifo_in_rec(struct kfifo *fifo,
+        void *from, unsigned int n, unsigned int recsize)
 {
-        return fifo->in - fifo->out;
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_in_generic(fifo, from, n, recsize);
+        return __kfifo_in_rec(fifo, from, n, recsize);
+}
+
+/*
+ * __kfifo_out_... internal functions for get date from the fifo
+ * do not call it directly, use kfifo_out_rec() instead
+ */
+extern unsigned int __kfifo_out_n(struct kfifo *fifo,
+        void *to, unsigned int reclen, unsigned int recsize);
+
+extern unsigned int __kfifo_out_generic(struct kfifo *fifo,
+        void *to, unsigned int n,
+        unsigned int recsize, unsigned int *total);
+
+static inline unsigned int __kfifo_out_rec(struct kfifo *fifo,
+        void *to, unsigned int n, unsigned int recsize,
+        unsigned int *total)
+{
+        unsigned int l;
+
+        if (!recsize) {
+                l = n;
+                if (total)
+                        *total = l;
+        } else {
+                l = __kfifo_peek_n(fifo, recsize);
+                if (total)
+                        *total = l;
+                if (n < l)
+                        return l;
+        }
+
+        return __kfifo_out_n(fifo, to, l, recsize);
 }
 
 /**
- * kfifo_len - returns the number of bytes available in the FIFO
+ * kfifo_out_rec - gets some record data from the FIFO
  * @fifo: the fifo to be used.
+ * @to: where the data must be copied.
+ * @n: the size of the destination buffer.
+ * @recsize: size of record field
+ * @total: pointer where the total number of to copied bytes should stored
+ *
+ * This function copies at most @n bytes from the FIFO to @to and returns the
+ * number of bytes which cannot be copied.
+ * A returned value greater than the @n value means that the record doesn't
+ * fit into the @to buffer.
+ *
+ * Note that with only one concurrent reader and one concurrent
+ * writer, you don't need extra locking to use these functions.
  */
-static inline unsigned int kfifo_len(struct kfifo *fifo)
+static inline __must_check unsigned int kfifo_out_rec(struct kfifo *fifo,
+        void *to, unsigned int n, unsigned int recsize,
+        unsigned int *total)
+
 {
-        unsigned long flags;
-        unsigned int ret;
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_out_generic(fifo, to, n, recsize, total);
+        return __kfifo_out_rec(fifo, to, n, recsize, total);
+}
+
+/*
+ * __kfifo_from_user_... internal functions for transfer from user space into
+ * the fifo. do not call it directly, use kfifo_from_user_rec() instead
+ */
+extern unsigned int __kfifo_from_user_n(struct kfifo *fifo,
+        const void __user *from, unsigned int n, unsigned int recsize);
 
-        spin_lock_irqsave(fifo->lock, flags);
+extern unsigned int __kfifo_from_user_generic(struct kfifo *fifo,
+        const void __user *from, unsigned int n, unsigned int recsize);
 
-        ret = __kfifo_len(fifo);
+static inline unsigned int __kfifo_from_user_rec(struct kfifo *fifo,
+        const void __user *from, unsigned int n, unsigned int recsize)
+{
+        unsigned int ret;
 
-        spin_unlock_irqrestore(fifo->lock, flags);
+        ret = __kfifo_from_user_n(fifo, from, n, recsize);
 
+        if (likely(ret == 0)) {
+                if (recsize)
+                        __kfifo_poke_n(fifo, recsize, n);
+                __kfifo_add_in(fifo, n + recsize);
+        }
         return ret;
 }
 
+/**
+ * kfifo_from_user_rec - puts some data from user space into the FIFO
+ * @fifo: the fifo to be used.
+ * @from: pointer to the data to be added.
+ * @n: the length of the data to be added.
+ * @recsize: size of record field
+ *
+ * This function copies @n bytes from the @from into the
+ * FIFO and returns the number of bytes which cannot be copied.
+ *
+ * If the returned value is equal or less the @n value, the copy_from_user()
+ * functions has failed. Otherwise the record doesn't fit into the buffer.
+ *
+ * Note that with only one concurrent reader and one concurrent
+ * writer, you don't need extra locking to use these functions.
+ */
+static inline __must_check unsigned int kfifo_from_user_rec(struct kfifo *fifo,
+        const void __user *from, unsigned int n, unsigned int recsize)
+{
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_from_user_generic(fifo, from, n, recsize);
+        return __kfifo_from_user_rec(fifo, from, n, recsize);
+}
+
+/*
+ * __kfifo_to_user_... internal functions for transfer fifo data into user space
+ * do not call it directly, use kfifo_to_user_rec() instead
+ */
+extern unsigned int __kfifo_to_user_n(struct kfifo *fifo,
+        void __user *to, unsigned int n, unsigned int reclen,
+        unsigned int recsize);
+
+extern unsigned int __kfifo_to_user_generic(struct kfifo *fifo,
+        void __user *to, unsigned int n, unsigned int recsize,
+        unsigned int *total);
+
+static inline unsigned int __kfifo_to_user_rec(struct kfifo *fifo,
+        void __user *to, unsigned int n,
+        unsigned int recsize, unsigned int *total)
+{
+        unsigned int l;
+
+        if (!recsize) {
+                l = n;
+                if (total)
+                        *total = l;
+        } else {
+                l = __kfifo_peek_n(fifo, recsize);
+                if (total)
+                        *total = l;
+                if (n < l)
+                        return l;
+        }
+
+        return __kfifo_to_user_n(fifo, to, n, l, recsize);
+}
+
+/**
+ * kfifo_to_user_rec - gets data from the FIFO and write it to user space
+ * @fifo: the fifo to be used.
+ * @to: where the data must be copied.
+ * @n: the size of the destination buffer.
+ * @recsize: size of record field
+ * @total: pointer where the total number of to copied bytes should stored
+ *
+ * This function copies at most @n bytes from the FIFO to the @to.
+ * In case of an error, the function returns the number of bytes which cannot
+ * be copied.
+ * If the returned value is equal or less the @n value, the copy_to_user()
+ * functions has failed. Otherwise the record doesn't fit into the @to buffer.
+ *
+ * Note that with only one concurrent reader and one concurrent
+ * writer, you don't need extra locking to use these functions.
+ */
+static inline __must_check unsigned int kfifo_to_user_rec(struct kfifo *fifo,
+                void __user *to, unsigned int n, unsigned int recsize,
+                unsigned int *total)
+{
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_to_user_generic(fifo, to, n, recsize, total);
+        return __kfifo_to_user_rec(fifo, to, n, recsize, total);
+}
+
+/*
+ * __kfifo_peek_... internal functions for peek into the next fifo record
+ * do not call it directly, use kfifo_peek_rec() instead
+ */
+extern unsigned int __kfifo_peek_generic(struct kfifo *fifo,
+                                unsigned int recsize);
+
+/**
+ * kfifo_peek_rec - gets the size of the next FIFO record data
+ * @fifo: the fifo to be used.
+ * @recsize: size of record field
+ *
+ * This function returns the size of the next FIFO record in number of bytes
+ */
+static inline __must_check unsigned int kfifo_peek_rec(struct kfifo *fifo,
+        unsigned int recsize)
+{
+        if (!__builtin_constant_p(recsize))
+                return __kfifo_peek_generic(fifo, recsize);
+        if (!recsize)
+                return kfifo_len(fifo);
+        return __kfifo_peek_n(fifo, recsize);
+}
+
+/*
+ * __kfifo_skip_... internal functions for skip the next fifo record
+ * do not call it directly, use kfifo_skip_rec() instead
+ */
+extern void __kfifo_skip_generic(struct kfifo *fifo, unsigned int recsize);
+
+static inline void __kfifo_skip_rec(struct kfifo *fifo,
+        unsigned int recsize)
+{
+        unsigned int l;
+
+        if (recsize) {
+                l = __kfifo_peek_n(fifo, recsize);
+
+                if (l + recsize <= kfifo_len(fifo)) {
+                        __kfifo_add_out(fifo, l + recsize);
+                        return;
+                }
+        }
+        kfifo_reset_out(fifo);
+}
+
+/**
+ * kfifo_skip_rec - skip the next fifo out record
+ * @fifo: the fifo to be used.
+ * @recsize: size of record field
+ *
+ * This function skips the next FIFO record
+ */
+static inline void kfifo_skip_rec(struct kfifo *fifo,
+        unsigned int recsize)
+{
+        if (!__builtin_constant_p(recsize))
+                __kfifo_skip_generic(fifo, recsize);
+        else
+                __kfifo_skip_rec(fifo, recsize);
+}
+
+/**
+ * kfifo_avail_rec - returns the number of bytes available in a record FIFO
+ * @fifo: the fifo to be used.
+ * @recsize: size of record field
+ */
+static inline __must_check unsigned int kfifo_avail_rec(struct kfifo *fifo,
+        unsigned int recsize)
+{
+        unsigned int l = kfifo_size(fifo) - kfifo_len(fifo);
+
+        return (l > recsize) ? l - recsize : 0;
+}
+
 #endif
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 37fa19b34ef5..1adfe779eb99 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -50,6 +50,19 @@ struct memory_notify {
         int status_change_nid;
 };
 
+/*
+ * During pageblock isolation, count the number of pages within the
+ * range [start_pfn, start_pfn + nr_pages) which are owned by code
+ * in the notifier chain.
+ */
+#define MEM_ISOLATE_COUNT       (1<<0)
+
+struct memory_isolate_notify {
+        unsigned long start_pfn;        /* Start of range to check */
+        unsigned int nr_pages;          /* # pages in range to check */
+        unsigned int pages_found;       /* # pages owned found by callbacks */
+};
+
 struct notifier_block;
 struct mem_section;
 
@@ -76,14 +89,28 @@ static inline int memory_notify(unsigned long val, void *v)
 {
         return 0;
 }
+static inline int register_memory_isolate_notifier(struct notifier_block *nb)
+{
+        return 0;
+}
+static inline void unregister_memory_isolate_notifier(struct notifier_block *nb)
+{
+}
+static inline int memory_isolate_notify(unsigned long val, void *v)
+{
+        return 0;
+}
 #else
 extern int register_memory_notifier(struct notifier_block *nb);
 extern void unregister_memory_notifier(struct notifier_block *nb);
+extern int register_memory_isolate_notifier(struct notifier_block *nb);
+extern void unregister_memory_isolate_notifier(struct notifier_block *nb);
 extern int register_new_memory(int, struct mem_section *);
 extern int unregister_memory_section(struct mem_section *);
 extern int memory_dev_init(void);
 extern int remove_memory_block(unsigned long, struct mem_section *, int);
 extern int memory_notify(unsigned long val, void *v);
+extern int memory_isolate_notify(unsigned long val, void *v);
 extern struct memory_block *find_memory_block(struct mem_section *);
 #define CONFIG_MEM_BLOCK_SIZE   (PAGES_PER_SECTION<<PAGE_SHIFT)
 enum mem_add_context { BOOT, HOTPLUG };
diff --git a/include/linux/namei.h b/include/linux/namei.h
index 028946750289..05b441d93642 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -72,8 +72,6 @@ extern int vfs_path_lookup(struct dentry *, struct vfsmount *,
 
 extern struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry,
                 int (*open)(struct inode *, struct file *));
-extern struct file *nameidata_to_filp(struct nameidata *nd, int flags);
-extern void release_open_intent(struct nameidata *);
 
 extern struct dentry *lookup_one_len(const char *, struct dentry *, int);
 
diff --git a/include/linux/quota.h b/include/linux/quota.h
index e70e62194243..a6861f117480 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -315,8 +315,9 @@ struct dquot_operations {
         int (*claim_space) (struct inode *, qsize_t);
         /* release rsved quota for delayed alloc */
         void (*release_rsv) (struct inode *, qsize_t);
-        /* get reserved quota for delayed alloc */
-        qsize_t (*get_reserved_space) (struct inode *);
+        /* get reserved quota for delayed alloc, value returned is managed by
+         * quota code only */
+        qsize_t *(*get_reserved_space) (struct inode *);
 };
 
 /* Operations handling requests from userspace */
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 9d68fed50f11..cfa83083a2d4 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -99,8 +99,9 @@ int __must_check sysfs_chmod_file(struct kobject *kobj, struct attribute *attr,
 void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr);
 
 int __must_check sysfs_create_bin_file(struct kobject *kobj,
-                                       struct bin_attribute *attr);
-void sysfs_remove_bin_file(struct kobject *kobj, struct bin_attribute *attr);
+                                       const struct bin_attribute *attr);
+void sysfs_remove_bin_file(struct kobject *kobj,
+                           const struct bin_attribute *attr);
 
 int __must_check sysfs_create_link(struct kobject *kobj, struct kobject *target,
                                    const char *name);
@@ -175,13 +176,13 @@ static inline void sysfs_remove_file(struct kobject *kobj,
 }
 
 static inline int sysfs_create_bin_file(struct kobject *kobj,
-                                        struct bin_attribute *attr)
+                                        const struct bin_attribute *attr)
 {
         return 0;
 }
 
 static inline void sysfs_remove_bin_file(struct kobject *kobj,
-                                         struct bin_attribute *attr)
+                                         const struct bin_attribute *attr)
 {
 }
 
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index acf6e457c04b..1819396ed501 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -16,6 +16,7 @@
 #include <linux/kref.h>
 #include <linux/mutex.h>
 #include <linux/sysrq.h>
+#include <linux/kfifo.h>
 
 #define SERIAL_TTY_MAJOR        188     /* Nice legal number now */
 #define SERIAL_TTY_MINORS       254     /* loads of devices :) */
@@ -94,7 +95,7 @@ struct usb_serial_port {
         unsigned char           *bulk_out_buffer;
         int                     bulk_out_size;
         struct urb              *write_urb;
-        struct kfifo            *write_fifo;
+        struct kfifo            write_fifo;
         int                     write_urb_busy;
         __u8                    bulk_out_endpointAddress;
 
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 7394e3bc8f4b..ff92b46f5153 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -28,6 +28,7 @@
 #include <linux/mutex.h>
 #include <linux/timer.h>
 #include <linux/workqueue.h>
+#include <linux/kfifo.h>
 #include <scsi/iscsi_proto.h>
 #include <scsi/iscsi_if.h>
 #include <scsi/scsi_transport_iscsi.h>
@@ -231,7 +232,7 @@ struct iscsi_conn {
 };
 
 struct iscsi_pool {
-        struct kfifo            *queue;         /* FIFO Queue */
+        struct kfifo            queue;          /* FIFO Queue */
         void                    **pool;         /* Pool of elements */
         int                     max;            /* Max number of elements */
 };
diff --git a/include/scsi/libiscsi_tcp.h b/include/scsi/libiscsi_tcp.h
index 9e3182e659db..741ae7ed4394 100644
--- a/include/scsi/libiscsi_tcp.h
+++ b/include/scsi/libiscsi_tcp.h
@@ -80,7 +80,7 @@ struct iscsi_tcp_task {
         int                     data_offset;
         struct iscsi_r2t_info   *r2t;           /* in progress solict R2T */
         struct iscsi_pool       r2tpool;
-        struct kfifo            *r2tqueue;
+        struct kfifo            r2tqueue;
         void                    *dd_data;
 };
 
diff --git a/include/scsi/libsrp.h b/include/scsi/libsrp.h
index ba615e4c1d7c..07e3adde21d9 100644
--- a/include/scsi/libsrp.h
+++ b/include/scsi/libsrp.h
@@ -21,7 +21,7 @@ struct srp_buf {
 struct srp_queue {
         void *pool;
         void *items;
-        struct kfifo *queue;
+        struct kfifo queue;
         spinlock_t lock;
 };