Merge branch 'drivers-platform' into release

[firefly-linux-kernel-4.4.55.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index f2a3010140e338fbe172605d4134a9089bd47f84..0b87b29f4797fa9960373a24194501f0ebc5fab9 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -565,6 +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;
@@ -1133,7 +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
@@ -1185,6 +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);
@@ -1385,6 +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);
 };
 
 /*
@@ -1830,7 +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);
@@ -2059,6 +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);