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| author |   Dan Williams <dan.j.williams@intel.com> | 2018-06-08 15:16:40 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2018-06-08 15:16:40 -0700 |
| commit | b56845794e1e93121acb74ca325db965035d5545 (patch) | |
| tree | 3435f4e8de92d5a63fdc15953391cf057ee46642 /include/linux/dax.h | |
| parent | dax: Use dax_write_cache* helpers (diff) | |
| parent | dax: dax_insert_mapping_entry always succeeds (diff) | |
| download | wireguard-linux-b56845794e1e93121acb74ca325db965035d5545.tar.xz wireguard-linux-b56845794e1e93121acb74ca325db965035d5545.zip | |
Merge branch 'for-4.18/dax' into libnvdimm-for-next
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 f9eb22ad341e..25bab6abb695 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -83,6 +83,8 @@ 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) { @@ -103,6 +105,11 @@ 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) { |