f2fs: handle error cases in commit_inmem_pages

This patch adds to handle error cases in commit_inmem_pages.
If an error occurs, it stops to write the pages and return the error right
away.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 25d1a2f..be69a010 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -1358,10 +1358,13 @@
 
 	if (f2fs_is_atomic_file(inode)) {
 		clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
-		commit_inmem_pages(inode, false);
+		ret = commit_inmem_pages(inode, false);
+		if (ret)
+			goto err_out;
 	}
 
 	ret = f2fs_sync_file(filp, 0, LLONG_MAX, 0);
+err_out:
 	mnt_drop_write_file(filp);
 	return ret;
 }
@@ -1418,7 +1421,7 @@
 
 	if (f2fs_is_atomic_file(inode)) {
 		clear_inode_flag(F2FS_I(inode), FI_ATOMIC_FILE);
-		commit_inmem_pages(inode, false);
+		commit_inmem_pages(inode, true);
 	}
 
 	if (f2fs_is_volatile_file(inode))