Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  remove detritus left by "mm: make read_cache_page synchronous"
  fix fs/sysv s_dirt handling
  fat: convert to use the new truncate convention.
  ext2: convert to use the new truncate convention.
  tmpfs: convert to use the new truncate convention
  fs: convert simple fs to new truncate
  kill spurious reference to vmtruncate
  fs: introduce new truncate sequence
  fs/super: fix kernel-doc warning
  fs/minix: bugfix, number of indirect block ptrs per block depends on block size
  rename the generic fsync implementations
  drop unused dentry argument to ->fsync
  fs: Add missing mutex_unlock
  Fix racy use of anon_inode_getfd() in perf_event.c
  get rid of the magic around f_count in aio
  VFS: fix recent breakage of FS_REVAL_DOT
  Revert "anon_inode: set S_IFREG on the anon_inode"

5 files changed, 43 insertions, 12 deletions

diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index 16ed0284d780..1b9ba193b789 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -203,6 +203,9 @@ int block_write_full_page_endio(struct page *page, get_block_t *get_block,
 int block_read_full_page(struct page*, get_block_t*);
 int block_is_partially_uptodate(struct page *page, read_descriptor_t *desc,
                                 unsigned long from);
+int block_write_begin_newtrunc(struct file *, struct address_space *,
+                                loff_t, unsigned, unsigned,
+                                struct page **, void **, get_block_t*);
 int block_write_begin(struct file *, struct address_space *,
                                 loff_t, unsigned, unsigned,
                                 struct page **, void **, get_block_t*);
@@ -214,6 +217,9 @@ int generic_write_end(struct file *, struct address_space *,
                                 struct page *, void *);
 void page_zero_new_buffers(struct page *page, unsigned from, unsigned to);
 int block_prepare_write(struct page*, unsigned, unsigned, get_block_t*);
+int cont_write_begin_newtrunc(struct file *, struct address_space *, loff_t,
+                        unsigned, unsigned, struct page **, void **,
+                        get_block_t *, loff_t *);
 int cont_write_begin(struct file *, struct address_space *, loff_t,
                         unsigned, unsigned, struct page **, void **,
                         get_block_t *, loff_t *);
@@ -224,7 +230,10 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
 void block_sync_page(struct page *);
 sector_t generic_block_bmap(struct address_space *, sector_t, get_block_t *);
 int block_truncate_page(struct address_space *, loff_t, get_block_t *);
-int file_fsync(struct file *, struct dentry *, int);
+int file_fsync(struct file *, int);
+int nobh_write_begin_newtrunc(struct file *, struct address_space *,
+                                loff_t, unsigned, unsigned,
+                                struct page **, void **, get_block_t*);
 int nobh_write_begin(struct file *, struct address_space *,
                                 loff_t, unsigned, unsigned,
                                 struct page **, void **, get_block_t*);
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 5f494b465097..7fc62d4550b2 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -868,7 +868,7 @@ extern int ext3_htree_store_dirent(struct file *dir_file, __u32 hash,
 extern void ext3_htree_free_dir_info(struct dir_private_info *p);
 
 /* fsync.c */
-extern int ext3_sync_file (struct file *, struct dentry *, int);
+extern int ext3_sync_file(struct file *, int);
 
 /* hash.c */
 extern int ext3fs_dirhash(const char *name, int len, struct
diff --git a/include/linux/fb.h b/include/linux/fb.h
index f3793ebc241c..907ace3a64c8 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -4,8 +4,6 @@
 #include <linux/types.h>
 #include <linux/i2c.h>
 
-struct dentry;
-
 /* Definitions of frame buffers                                         */
 
 #define FB_MAX                  32      /* sufficient for now */
@@ -1017,8 +1015,7 @@ extern void fb_deferred_io_open(struct fb_info *info,
                                 struct inode *inode,
                                 struct file *file);
 extern void fb_deferred_io_cleanup(struct fb_info *info);
-extern int fb_deferred_io_fsync(struct file *file, struct dentry *dentry,
-                                int datasync);
+extern int fb_deferred_io_fsync(struct file *file, int datasync);
 
 static inline bool fb_be_math(struct fb_info *info)
 {
diff --git a/include/linux/file.h b/include/linux/file.h
index 5555508fd517..b1e12970f617 100644
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -11,7 +11,6 @@
 
 struct file;
 
-extern void __fput(struct file *);
 extern void fput(struct file *);
 extern void drop_file_write_access(struct file *file);
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 85e823adcd4a..3428393942a6 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -954,6 +954,7 @@ extern spinlock_t files_lock;
 #define file_list_unlock() spin_unlock(&files_lock);
 
 #define get_file(x)     atomic_long_inc(&(x)->f_count)
+#define fput_atomic(x)  atomic_long_add_unless(&(x)->f_count, -1, 1)
 #define file_count(x)   atomic_long_read(&(x)->f_count)
 
 #ifdef CONFIG_DEBUG_WRITECOUNT
@@ -1497,7 +1498,7 @@ struct file_operations {
         int (*open) (struct inode *, struct file *);
         int (*flush) (struct file *, fl_owner_t id);
         int (*release) (struct inode *, struct file *);
-        int (*fsync) (struct file *, struct dentry *, int datasync);
+        int (*fsync) (struct file *, int datasync);
         int (*aio_fsync) (struct kiocb *, int datasync);
         int (*fasync) (int, struct file *, int);
         int (*lock) (struct file *, int, struct file_lock *);
@@ -2212,7 +2213,7 @@ extern int generic_segment_checks(const struct iovec *iov,
 /* fs/block_dev.c */
 extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
                                 unsigned long nr_segs, loff_t pos);
-extern int blkdev_fsync(struct file *filp, struct dentry *dentry, int datasync);
+extern int blkdev_fsync(struct file *filp, int datasync);
 
 /* fs/splice.c */
 extern ssize_t generic_file_splice_read(struct file *, loff_t *,
@@ -2256,6 +2257,10 @@ typedef void (dio_submit_t)(int rw, struct bio *bio, struct inode *inode,
                             loff_t file_offset);
 void dio_end_io(struct bio *bio, int error);
 
+ssize_t __blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb, struct inode *inode,
+        struct block_device *bdev, const struct iovec *iov, loff_t offset,
+        unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
+        dio_submit_t submit_io, int lock_type);
 ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
         struct block_device *bdev, const struct iovec *iov, loff_t offset,
         unsigned long nr_segs, get_block_t get_block, dio_iodone_t end_io,
@@ -2269,6 +2274,24 @@ enum {
         DIO_SKIP_HOLES  = 0x02,
 };
 
+static inline ssize_t blockdev_direct_IO_newtrunc(int rw, struct kiocb *iocb,
+        struct inode *inode, struct block_device *bdev, const struct iovec *iov,
+        loff_t offset, unsigned long nr_segs, get_block_t get_block,
+        dio_iodone_t end_io)
+{
+        return __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov, offset,
+                                    nr_segs, get_block, end_io, NULL,
+                                    DIO_LOCKING | DIO_SKIP_HOLES);
+}
+
+static inline ssize_t blockdev_direct_IO_no_locking_newtrunc(int rw, struct kiocb *iocb,
+        struct inode *inode, struct block_device *bdev, const struct iovec *iov,
+        loff_t offset, unsigned long nr_segs, get_block_t get_block,
+        dio_iodone_t end_io)
+{
+        return __blockdev_direct_IO_newtrunc(rw, iocb, inode, bdev, iov, offset,
+                                nr_segs, get_block, end_io, NULL, 0);
+}
 static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
         struct inode *inode, struct block_device *bdev, const struct iovec *iov,
         loff_t offset, unsigned long nr_segs, get_block_t get_block,
@@ -2341,13 +2364,15 @@ extern int dcache_dir_open(struct inode *, struct file *);
 extern int dcache_dir_close(struct inode *, struct file *);
 extern loff_t dcache_dir_lseek(struct file *, loff_t, int);
 extern int dcache_readdir(struct file *, void *, filldir_t);
+extern int simple_setattr(struct dentry *, struct iattr *);
 extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern int simple_statfs(struct dentry *, struct kstatfs *);
 extern int simple_link(struct dentry *, struct inode *, struct dentry *);
 extern int simple_unlink(struct inode *, struct dentry *);
 extern int simple_rmdir(struct inode *, struct dentry *);
 extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *);
-extern int simple_sync_file(struct file *, struct dentry *, int);
+extern int simple_setsize(struct inode *, loff_t);
+extern int noop_fsync(struct file *, int);
 extern int simple_empty(struct dentry *);
 extern int simple_readpage(struct file *file, struct page *page);
 extern int simple_write_begin(struct file *file, struct address_space *mapping,
@@ -2372,7 +2397,7 @@ extern ssize_t simple_read_from_buffer(void __user *to, size_t count,
 extern ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos,
                 const void __user *from, size_t count);
 
-extern int simple_fsync(struct file *, struct dentry *, int);
+extern int generic_file_fsync(struct file *, int);
 
 #ifdef CONFIG_MIGRATION
 extern int buffer_migrate_page(struct address_space *,
@@ -2383,7 +2408,8 @@ extern int buffer_migrate_page(struct address_space *,
 
 extern int inode_change_ok(const struct inode *, struct iattr *);
 extern int inode_newsize_ok(const struct inode *, loff_t offset);
-extern int __must_check inode_setattr(struct inode *, struct iattr *);
+extern int __must_check inode_setattr(struct inode *, const struct iattr *);
+extern void generic_setattr(struct inode *inode, const struct iattr *attr);
 
 extern void file_update_time(struct file *file);