diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 8b16f90f81bc..d7ab4f96d705 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -526,7 +526,7 @@ struct address_space { /* * On most architectures that alignment is already the case; but * must be enforced here for CRIS, to let the least significant bit - * of struct page's "mapping" pointer be used for PAGE_MAPPING_ANON. + * of struct folio's "mapping" pointer be used for FOLIO_MAPPING_ANON. */ /* XArray tags, for tagging dirty and writeback pages in the pagecache. */ @@ -1043,6 +1043,7 @@ struct fown_struct { * and so were/are genuinely "ahead". Start next readahead when * the first of these pages is accessed. * @ra_pages: Maximum size of a readahead request, copied from the bdi. + * @order: Preferred folio order used for most recent readahead. * @mmap_miss: How many mmap accesses missed in the page cache. * @prev_pos: The last byte in the most recent read request. * @@ -1054,7 +1055,8 @@ struct file_ra_state { unsigned int size; unsigned int async_size; unsigned int ra_pages; - unsigned int mmap_miss; + unsigned short order; + unsigned short mmap_miss; loff_t prev_pos; }; @@ -3756,9 +3758,14 @@ void setattr_copy(struct mnt_idmap *, struct inode *inode, extern int file_update_time(struct file *file); +static inline bool file_is_dax(const struct file *file) +{ + return file && IS_DAX(file->f_mapping->host); +} + static inline bool vma_is_dax(const struct vm_area_struct *vma) { - return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host); + return file_is_dax(vma->vm_file); } static inline bool vma_is_fsdax(struct vm_area_struct *vma) |