1 files changed, 7 insertions, 0 deletions

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index b91b0e10678e..1e1aae669fa8 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1513,6 +1513,7 @@ static int f2fs_write_data_pages(struct address_space *mapping,
 {
         struct inode *inode = mapping->host;
         struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
+        bool locked = false;
         int ret;
         long diff;
 
@@ -1533,7 +1534,13 @@ static int f2fs_write_data_pages(struct address_space *mapping,
 
         diff = nr_pages_to_write(sbi, DATA, wbc);
 
+        if (!S_ISDIR(inode->i_mode)) {
+                mutex_lock(&sbi->writepages);
+                locked = true;
+        }
         ret = write_cache_pages(mapping, wbc, __f2fs_writepage, mapping);
+        if (locked)
+                mutex_unlock(&sbi->writepages);
 
         f2fs_submit_merged_bio(sbi, DATA, WRITE);