diff options
Diffstat (limited to 'include/linux/dax.h')
| -rw-r--r-- | include/linux/dax.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h index a43b396fb336..b51db4264c83 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -86,6 +86,8 @@ static inline void fs_put_dax(struct dax_device *dax_dev) struct dax_device *fs_dax_get_by_bdev(struct block_device *bdev); int dax_writeback_mapping_range(struct address_space *mapping, struct block_device *bdev, struct writeback_control *wbc); + +struct page *dax_layout_busy_page(struct address_space *mapping); #else static inline int bdev_dax_supported(struct super_block *sb, int blocksize) { @@ -106,6 +108,11 @@ static inline struct dax_device *fs_dax_get_by_bdev(struct block_device *bdev) return NULL; } +static inline struct page *dax_layout_busy_page(struct address_space *mapping) +{ + return NULL; +} + static inline int dax_writeback_mapping_range(struct address_space *mapping, struct block_device *bdev, struct writeback_control *wbc) { |