diff options
Diffstat (limited to 'fs/mpage.c')
| -rw-r--r-- | fs/mpage.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/mpage.c b/fs/mpage.c index d36a95473f77..b8e7975159bc 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -524,6 +524,12 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc, */ BUG_ON(!PageUptodate(page)); block_in_file = (sector_t)page->index << (PAGE_SHIFT - blkbits); + /* + * Whole page beyond EOF? Skip allocating blocks to avoid leaking + * space. + */ + if (block_in_file >= (i_size + (1 << blkbits) - 1) >> blkbits) + goto page_is_mapped; last_block = (i_size - 1) >> blkbits; map_bh.b_page = page; for (page_block = 0; page_block < blocks_per_page; ) { |