diff options
Diffstat (limited to 'mm/truncate.c')
| -rw-r--r-- | mm/truncate.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index f47e46d1be3..aed85f0b707 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -192,6 +192,11 @@ void truncate_inode_pages_range(struct address_space *mapping, unlock_page(page); continue; } + if (page_mapped(page)) { + unmap_mapping_range(mapping, + (loff_t)page_index<<PAGE_CACHE_SHIFT, + PAGE_CACHE_SIZE, 0); + } truncate_complete_page(mapping, page); unlock_page(page); } @@ -229,6 +234,11 @@ void truncate_inode_pages_range(struct address_space *mapping, break; lock_page(page); wait_on_page_writeback(page); + if (page_mapped(page)) { + unmap_mapping_range(mapping, + (loff_t)page->index<<PAGE_CACHE_SHIFT, + PAGE_CACHE_SIZE, 0); + } if (page->index > next) next = page->index; next++; @@ -405,7 +415,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping, break; } wait_on_page_writeback(page); - while (page_mapped(page)) { + if (page_mapped(page)) { if (!did_range_unmap) { /* * Zap the rest of the file in one hit. @@ -425,6 +435,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping, PAGE_CACHE_SIZE, 0); } } + BUG_ON(page_mapped(page)); ret = do_launder_page(mapping, page); if (ret == 0 && !invalidate_complete_page2(mapping, page)) ret = -EIO; |