diff options
Diffstat (limited to 'include/linux/dax.h')
| -rw-r--r-- | include/linux/dax.h | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h index 9b1ce984d410..a6b277f1e13a 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -207,12 +207,9 @@ int dax_zero_range(struct inode *inode, loff_t pos, loff_t len, bool *did_zero, int dax_truncate_page(struct inode *inode, loff_t pos, bool *did_zero, const struct iomap_ops *ops); -static inline int dax_wait_page_idle(struct page *page, - void (cb)(struct inode *), - struct inode *inode) +static inline bool dax_page_is_idle(struct page *page) { - return ___wait_var_event(page, page_ref_count(page) == 1, - TASK_INTERRUPTIBLE, 0, 0, cb(inode)); + return page && page_ref_count(page) == 1; } #if IS_ENABLED(CONFIG_DAX) @@ -228,6 +225,15 @@ static inline void dax_read_unlock(int id) { } #endif /* CONFIG_DAX */ + +#if !IS_ENABLED(CONFIG_FS_DAX) +static inline int __must_check dax_break_layout(struct inode *inode, + loff_t start, loff_t end, void (cb)(struct inode *)) +{ + return 0; +} +#endif + bool dax_alive(struct dax_device *dax_dev); void *dax_get_private(struct dax_device *dax_dev); long dax_direct_access(struct dax_device *dax_dev, pgoff_t pgoff, long nr_pages, @@ -251,6 +257,13 @@ vm_fault_t dax_finish_sync_fault(struct vm_fault *vmf, int dax_delete_mapping_entry(struct address_space *mapping, pgoff_t index); int dax_invalidate_mapping_entry_sync(struct address_space *mapping, pgoff_t index); +int __must_check dax_break_layout(struct inode *inode, loff_t start, + loff_t end, void (cb)(struct inode *)); +static inline int __must_check dax_break_layout_inode(struct inode *inode, + void (cb)(struct inode *)) +{ + return dax_break_layout(inode, 0, LLONG_MAX, cb); +} int dax_dedupe_file_range_compare(struct inode *src, loff_t srcoff, struct inode *dest, loff_t destoff, loff_t len, bool *is_same, |