f2fs: fix to handle filemap_fdatawrite() error in f2fs_ioc_decompress_file/f2fs_ioc_c...

It seems inappropriate that the current logic does not handle
filemap_fdatawrite() errors, so let's fix it.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 3fbfdfd..836173c 100644 (file)
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -4063,8 +4063,11 @@ static int f2fs_ioc_decompress_file(struct file *filp)
                if (ret < 0)
                        break;
 
-               if (get_dirty_pages(inode) >= blk_per_seg)
-                       filemap_fdatawrite(inode->i_mapping);
+               if (get_dirty_pages(inode) >= blk_per_seg) {
+                       ret = filemap_fdatawrite(inode->i_mapping);
+                       if (ret < 0)
+                               break;
+               }
 
                count -= len;
                page_idx += len;
@@ -4134,8 +4137,11 @@ static int f2fs_ioc_compress_file(struct file *filp)
                if (ret < 0)
                        break;
 
-               if (get_dirty_pages(inode) >= blk_per_seg)
-                       filemap_fdatawrite(inode->i_mapping);
+               if (get_dirty_pages(inode) >= blk_per_seg) {
+                       ret = filemap_fdatawrite(inode->i_mapping);
+                       if (ret < 0)
+                               break;
+               }
 
                count -= len;
                page_idx += len;