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Diffstat (limited to 'fs/nilfs2/ioctl.c')
-rw-r--r--fs/nilfs2/ioctl.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 2a70fce70c6..06658caa18b 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -692,8 +692,14 @@ static int nilfs_ioctl_sync(struct inode *inode, struct file *filp,
if (ret < 0)
return ret;
+ nilfs = inode->i_sb->s_fs_info;
+ if (nilfs_test_opt(nilfs, BARRIER)) {
+ ret = blkdev_issue_flush(inode->i_sb->s_bdev, GFP_KERNEL, NULL);
+ if (ret == -EIO)
+ return ret;
+ }
+
if (argp != NULL) {
- nilfs = inode->i_sb->s_fs_info;
down_read(&nilfs->ns_segctor_sem);
cno = nilfs->ns_cno - 1;
up_read(&nilfs->ns_segctor_sem);