diff options
Diffstat (limited to 'include/linux/pagemap.h')
| -rw-r--r-- | include/linux/pagemap.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 8c9947fd62f3..4c1ffe1d5dac 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -981,6 +981,15 @@ static inline unsigned int readahead_count(struct readahead_control *rac) return rac->_nr_pages; } +/** + * readahead_batch_length - The number of bytes in the current batch. + * @rac: The readahead request. + */ +static inline loff_t readahead_batch_length(struct readahead_control *rac) +{ + return rac->_batch_count * PAGE_SIZE; +} + static inline unsigned long dir_pages(struct inode *inode) { return (unsigned long)(inode->i_size + PAGE_SIZE - 1) >> |