diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/dax.h | 4 | ||||
| -rw-r--r-- | include/linux/mm.h | 11 |
2 files changed, 13 insertions, 2 deletions
diff --git a/include/linux/dax.h b/include/linux/dax.h index 535019001577..10a7cc79aea5 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -69,7 +69,7 @@ static inline bool daxdev_mapping_supported(const struct vm_area_desc *desc, const struct inode *inode, struct dax_device *dax_dev) { - if (!vma_desc_test_any(desc, VMA_SYNC_BIT)) + if (!vma_desc_test(desc, VMA_SYNC_BIT)) return true; if (!IS_DAX(inode)) return false; @@ -115,7 +115,7 @@ static inline bool daxdev_mapping_supported(const struct vm_area_desc *desc, const struct inode *inode, struct dax_device *dax_dev) { - return !vma_desc_test_any(desc, VMA_SYNC_BIT); + return !vma_desc_test(desc, VMA_SYNC_BIT); } static inline size_t dax_recovery_write(struct dax_device *dax_dev, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i) diff --git a/include/linux/mm.h b/include/linux/mm.h index 9392723a5c50..63d1f619260e 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1192,6 +1192,17 @@ static inline void vma_set_flags_mask(struct vm_area_struct *vma, #define vma_set_flags(vma, ...) \ vma_set_flags_mask(vma, mk_vma_flags(__VA_ARGS__)) +/* + * Test whether a specific VMA flag is set in a VMA descriptor, e.g.: + * + * if (vma_desc_test(desc, VMA_READ_BIT)) { ... } + */ +static __always_inline bool vma_desc_test(const struct vm_area_desc *desc, + vma_flag_t bit) +{ + return vma_flags_test(&desc->vma_flags, bit); +} + /* Helper to test any VMA flags in a VMA descriptor. */ static inline bool vma_desc_test_any_mask(const struct vm_area_desc *desc, vma_flags_t flags) |