diff options
-rw-r--r-- | fs/buffer.c | 11 | ||||
-rw-r--r-- | include/linux/buffer_head.h | 1 | ||||
-rw-r--r-- | mm/truncate.c | 11 |
3 files changed, 12 insertions, 11 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 2066e4cb700c..75cac9ada026 100644 --- a/fs/buffer.c +++ b/fs/buffer.c | |||
@@ -1637,6 +1637,15 @@ out: | |||
1637 | } | 1637 | } |
1638 | EXPORT_SYMBOL(block_invalidatepage); | 1638 | EXPORT_SYMBOL(block_invalidatepage); |
1639 | 1639 | ||
1640 | int do_invalidatepage(struct page *page, unsigned long offset) | ||
1641 | { | ||
1642 | int (*invalidatepage)(struct page *, unsigned long); | ||
1643 | invalidatepage = page->mapping->a_ops->invalidatepage; | ||
1644 | if (invalidatepage == NULL) | ||
1645 | invalidatepage = block_invalidatepage; | ||
1646 | return (*invalidatepage)(page, offset); | ||
1647 | } | ||
1648 | |||
1640 | /* | 1649 | /* |
1641 | * We attach and possibly dirty the buffers atomically wrt | 1650 | * We attach and possibly dirty the buffers atomically wrt |
1642 | * __set_page_dirty_buffers() via private_lock. try_to_free_buffers | 1651 | * __set_page_dirty_buffers() via private_lock. try_to_free_buffers |
@@ -2696,7 +2705,7 @@ int block_write_full_page(struct page *page, get_block_t *get_block, | |||
2696 | * they may have been added in ext3_writepage(). Make them | 2705 | * they may have been added in ext3_writepage(). Make them |
2697 | * freeable here, so the page does not leak. | 2706 | * freeable here, so the page does not leak. |
2698 | */ | 2707 | */ |
2699 | block_invalidatepage(page, 0); | 2708 | do_invalidatepage(page, 0); |
2700 | unlock_page(page); | 2709 | unlock_page(page); |
2701 | return 0; /* don't care */ | 2710 | return 0; /* don't care */ |
2702 | } | 2711 | } |
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index c937d6e65502..1db061bb6b08 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h | |||
@@ -190,6 +190,7 @@ extern int buffer_heads_over_limit; | |||
190 | */ | 190 | */ |
191 | int try_to_release_page(struct page * page, gfp_t gfp_mask); | 191 | int try_to_release_page(struct page * page, gfp_t gfp_mask); |
192 | int block_invalidatepage(struct page *page, unsigned long offset); | 192 | int block_invalidatepage(struct page *page, unsigned long offset); |
193 | int do_invalidatepage(struct page *page, unsigned long offset); | ||
193 | int block_write_full_page(struct page *page, get_block_t *get_block, | 194 | int block_write_full_page(struct page *page, get_block_t *get_block, |
194 | struct writeback_control *wbc); | 195 | struct writeback_control *wbc); |
195 | int block_read_full_page(struct page*, get_block_t*); | 196 | int block_read_full_page(struct page*, get_block_t*); |
diff --git a/mm/truncate.c b/mm/truncate.c index 60c8764bfac2..29c18f68dc35 100644 --- a/mm/truncate.c +++ b/mm/truncate.c | |||
@@ -13,18 +13,9 @@ | |||
13 | #include <linux/pagemap.h> | 13 | #include <linux/pagemap.h> |
14 | #include <linux/pagevec.h> | 14 | #include <linux/pagevec.h> |
15 | #include <linux/buffer_head.h> /* grr. try_to_release_page, | 15 | #include <linux/buffer_head.h> /* grr. try_to_release_page, |
16 | block_invalidatepage */ | 16 | do_invalidatepage */ |
17 | 17 | ||
18 | 18 | ||
19 | static int do_invalidatepage(struct page *page, unsigned long offset) | ||
20 | { | ||
21 | int (*invalidatepage)(struct page *, unsigned long); | ||
22 | invalidatepage = page->mapping->a_ops->invalidatepage; | ||
23 | if (invalidatepage == NULL) | ||
24 | invalidatepage = block_invalidatepage; | ||
25 | return (*invalidatepage)(page, offset); | ||
26 | } | ||
27 | |||
28 | static inline void truncate_partial_page(struct page *page, unsigned partial) | 19 | static inline void truncate_partial_page(struct page *page, unsigned partial) |
29 | { | 20 | { |
30 | memclear_highpage_flush(page, partial, PAGE_CACHE_SIZE-partial); | 21 | memclear_highpage_flush(page, partial, PAGE_CACHE_SIZE-partial); |