fs: introduce new truncate sequence

[pandora-kernel.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index acf6c52..3428393 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2257,6 +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,
@@ -2270,6 +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,
@@ -2342,12 +2364,14 @@ 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_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);
@@ -2384,7 +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);