diff options
Diffstat (limited to 'mm/truncate.c')
| -rw-r--r-- | mm/truncate.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index c75b736e54b7..fdba083f0d71 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -26,7 +26,8 @@ /** * do_invalidatepage - invalidate part or all of a page * @page: the page which is affected - * @offset: the index of the truncation point + * @offset: start of the range to invalidate + * @length: length of the range to invalidate * * do_invalidatepage() is called when all or part of the page has become * invalidated by a truncate operation. @@ -37,16 +38,18 @@ * point. Because the caller is about to free (and possibly reuse) those * blocks on-disk. */ -void do_invalidatepage(struct page *page, unsigned long offset) +void do_invalidatepage(struct page *page, unsigned int offset, + unsigned int length) { - void (*invalidatepage)(struct page *, unsigned long); + void (*invalidatepage)(struct page *, unsigned int, unsigned int); + invalidatepage = page->mapping->a_ops->invalidatepage; #ifdef CONFIG_BLOCK if (!invalidatepage) invalidatepage = block_invalidatepage; #endif if (invalidatepage) - (*invalidatepage)(page, offset); + (*invalidatepage)(page, offset, length); } static inline void truncate_partial_page(struct page *page, unsigned partial) @@ -54,7 +57,7 @@ static inline void truncate_partial_page(struct page *page, unsigned partial) zero_user_segment(page, partial, PAGE_CACHE_SIZE); cleancache_invalidate_page(page->mapping, page); if (page_has_private(page)) - do_invalidatepage(page, partial); + do_invalidatepage(page, partial, PAGE_CACHE_SIZE - partial); } /* @@ -103,7 +106,7 @@ truncate_complete_page(struct address_space *mapping, struct page *page) return -EIO; if (page_has_private(page)) - do_invalidatepage(page, 0); + do_invalidatepage(page, 0, PAGE_CACHE_SIZE); cancel_dirty_page(page, PAGE_CACHE_SIZE); |