f2fs: add f2fs_balance_fs for expand_inode_data

This patch adds f2fs_balance_fs in expand_inode_data to avoid allocation failure
with segment.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 2a91a7d1760c..208f1a9bd569 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -672,6 +672,8 @@ static int expand_inode_data(struct inode *inode, loff_t offset,
         loff_t off_start, off_end;
         int ret = 0;
 
+        f2fs_balance_fs(sbi);
+
         ret = inode_newsize_ok(inode, (len + offset));
         if (ret)
                 return ret;