diff options
Diffstat (limited to 'fs/btrfs/zlib.c')
-rw-r--r-- | fs/btrfs/zlib.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c index e5b3f2003896..ad6f011eab69 100644 --- a/fs/btrfs/zlib.c +++ b/fs/btrfs/zlib.c @@ -151,9 +151,12 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping, if (data_in) { kunmap_local(data_in); put_page(in_page); + data_in = NULL; } - in_page = find_get_page(mapping, - start >> PAGE_SHIFT); + ret = btrfs_compress_find_get_page(mapping, + start, &in_page); + if (ret < 0) + goto out; data_in = kmap_local_page(in_page); copy_page(workspace->buf + i * PAGE_SIZE, data_in); @@ -164,9 +167,12 @@ int zlib_compress_pages(struct list_head *ws, struct address_space *mapping, if (data_in) { kunmap_local(data_in); put_page(in_page); + data_in = NULL; } - in_page = find_get_page(mapping, - start >> PAGE_SHIFT); + ret = btrfs_compress_find_get_page(mapping, + start, &in_page); + if (ret < 0) + goto out; data_in = kmap_local_page(in_page); start += PAGE_SIZE; workspace->strm.next_in = data_in; |