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-rw-r--r--fs/ext4/extents.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 91341ec6e06a..f1089cba913a 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4420,6 +4420,8 @@ retry:
ext4_falloc_update_inode(inode, mode, new_size,
(map.m_flags & EXT4_MAP_NEW));
ext4_mark_inode_dirty(handle, inode);
+ if ((file->f_flags & O_SYNC) && ret >= max_blocks)
+ ext4_handle_sync(handle);
ret2 = ext4_journal_stop(handle);
if (ret2)
break;