Message ID | 1396272197-13394-50-git-send-email-luis.henriques@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 86eff48..503a6bd 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -995,6 +995,8 @@ int btrfs_decompress_buf2page(char *buf, unsigned long buf_start, bytes = min(bytes, working_bytes); kaddr = kmap_atomic(page_out); memcpy(kaddr + *pg_offset, buf + buf_offset, bytes); + if (*pg_index == (vcnt - 1) && *pg_offset == 0) + memset(kaddr + bytes, 0, PAGE_CACHE_SIZE - bytes); kunmap_atomic(kaddr); flush_dcache_page(page_out);