Update from upstream with manual merge of Yasunori Goto's

changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341
since this file has been moved from arch/ia64/lib/swiotlb.c to
lib/swiotlb.c

Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 6454022b0536..657ab11c173b 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -23,6 +23,10 @@ int fuse_open_common(struct inode *inode, struct file *file, int isdir)
         struct fuse_file *ff;
         int err;
 
+        /* VFS checks this, but only _after_ ->open() */
+        if (file->f_flags & O_DIRECT)
+                return -EINVAL;
+
         err = generic_file_open(inode, file);
         if (err)
                 return err;