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-rw-r--r--include/linux/fs.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3d7bd5447ca3..674134725597 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1886,6 +1886,18 @@ extern int fsync_super(struct super_block *);
1886extern int fsync_no_super(struct block_device *); 1886extern int fsync_no_super(struct block_device *);
1887#else 1887#else
1888static inline void bd_forget(struct inode *inode) {} 1888static inline void bd_forget(struct inode *inode) {}
1889static inline int sync_blockdev(struct block_device *bdev) { return 0; }
1890static inline void invalidate_bdev(struct block_device *bdev) {}
1891
1892static inline struct super_block *freeze_bdev(struct block_device *sb)
1893{
1894 return NULL;
1895}
1896
1897static inline int thaw_bdev(struct block_device *bdev, struct super_block *sb)
1898{
1899 return 0;
1900}
1889#endif 1901#endif
1890extern const struct file_operations def_blk_fops; 1902extern const struct file_operations def_blk_fops;
1891extern const struct file_operations def_chr_fops; 1903extern const struct file_operations def_chr_fops;