1 files changed, 15 insertions, 3 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index e2170ee21e18..0b87b29f4797 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -423,6 +423,9 @@ enum positive_aop_returns {
 
 #define AOP_FLAG_UNINTERRUPTIBLE        0x0001 /* will not do a short write */
 #define AOP_FLAG_CONT_EXPAND            0x0002 /* called from cont_expand */
+#define AOP_FLAG_NOFS                   0x0004 /* used by filesystem to direct
+                                                * helper code (eg buffer layer)
+                                                * to clear GFP_FS from alloc */
 
 /*
  * oh the beauties of C type declarations.
@@ -562,6 +565,7 @@ struct address_space {
 struct block_device {
         dev_t                   bd_dev;  /* not a kdev_t - it's a search key */
         struct inode *          bd_inode;       /* will die */
+        struct super_block *    bd_super;
         int                     bd_openers;
         struct mutex            bd_mutex;       /* open/close mutex */
         struct semaphore        bd_mount_sem;
@@ -1130,7 +1134,6 @@ struct super_block {
         struct rw_semaphore     s_umount;
         struct mutex            s_lock;
         int                     s_count;
-        int                     s_syncing;
         int                     s_need_sync_fs;
         atomic_t                s_active;
 #ifdef CONFIG_SECURITY
@@ -1182,6 +1185,11 @@ struct super_block {
          * generic_show_options()
          */
         char *s_options;
+
+        /*
+         * storage for asynchronous operations
+         */
+        struct list_head s_async_list;
 };
 
 extern struct timespec current_fs_time(struct super_block *sb);
@@ -1382,6 +1390,7 @@ struct super_operations {
         ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);
         ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
 #endif
+        int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
 };
 
 /*
@@ -1827,7 +1836,7 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping,
 extern int filemap_fdatawrite_range(struct address_space *mapping,
                                 loff_t start, loff_t end);
 
-extern long do_fsync(struct file *file, int datasync);
+extern int vfs_fsync(struct file *file, struct dentry *dentry, int datasync);
 extern void sync_supers(void);
 extern void sync_filesystems(int wait);
 extern void __fsync_super(struct super_block *sb);
@@ -2035,7 +2044,7 @@ extern int page_readlink(struct dentry *, char __user *, int);
 extern void *page_follow_link_light(struct dentry *, struct nameidata *);
 extern void page_put_link(struct dentry *, struct nameidata *, void *);
 extern int __page_symlink(struct inode *inode, const char *symname, int len,
-                gfp_t gfp_mask);
+                int nofs);
 extern int page_symlink(struct inode *inode, const char *symname, int len);
 extern const struct inode_operations page_symlink_inode_operations;
 extern int generic_readlink(struct dentry *, char __user *, int);
@@ -2056,6 +2065,9 @@ extern int vfs_fstat(unsigned int, struct kstat *);
 
 extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
                     unsigned long arg);
+extern int __generic_block_fiemap(struct inode *inode,
+                                  struct fiemap_extent_info *fieinfo, u64 start,
+                                  u64 len, get_block_t *get_block);
 extern int generic_block_fiemap(struct inode *inode,
                                 struct fiemap_extent_info *fieinfo, u64 start,
                                 u64 len, get_block_t *get_block);