diff options
| author | David Woodhouse <dwmw2@infradead.org> | 2008-02-03 18:29:41 +1100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2008-02-03 18:30:32 +1100 |
| commit | c1f3ee120bb61045b1c0a3ead620d1d65af47130 (patch) | |
| tree | 908430bf2b47fe8e96ac623ae7ab6dd5698d0938 /fs/ntfs/compress.c | |
| parent | e619a75ff6201b567a539e787aa9af9bc63a3187 (diff) | |
| parent | 9135f1901ee6449dfe338adf6e40e9c2025b8150 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'fs/ntfs/compress.c')
| -rw-r--r-- | fs/ntfs/compress.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/ntfs/compress.c b/fs/ntfs/compress.c index d98daf59e0b6..d1619d05eb23 100644 --- a/fs/ntfs/compress.c +++ b/fs/ntfs/compress.c @@ -561,6 +561,16 @@ int ntfs_read_compressed_block(struct page *page) read_unlock_irqrestore(&ni->size_lock, flags); max_page = ((i_size + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT) - offset; + /* Is the page fully outside i_size? (truncate in progress) */ + if (xpage >= max_page) { + kfree(bhs); + kfree(pages); + zero_user_page(page, 0, PAGE_CACHE_SIZE, KM_USER0); + ntfs_debug("Compressed read outside i_size - truncated?"); + SetPageUptodate(page); + unlock_page(page); + return 0; + } if (nr_pages < max_page) max_page = nr_pages; for (i = 0; i < max_page; i++, offset++) { |