ovl: add O_DIRECT support

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2018-07-18 15:44:42 +02:00
parent 9e142c4102
commit f7c72396d0

View File

@ -110,6 +110,9 @@ static int ovl_open(struct inode *inode, struct file *file)
if (IS_ERR(realfile)) if (IS_ERR(realfile))
return PTR_ERR(realfile); return PTR_ERR(realfile);
/* For O_DIRECT dentry_open() checks f_mapping->a_ops->direct_IO */
file->f_mapping = realfile->f_mapping;
file->private_data = realfile; file->private_data = realfile;
return 0; return 0;