Orangefs: Use readonly mmap since writepage is not implemented.
Previously the code silently failed to update the disk. Now it will not
allow writable and shared mmaps.
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c
index 53e58c3..87f7181 100644
--- a/fs/orangefs/file.c
+++ b/fs/orangefs/file.c
@@ -853,7 +853,9 @@
/* set the sequential readahead hint */
vma->vm_flags |= VM_SEQ_READ;
vma->vm_flags &= ~VM_RAND_READ;
- return generic_file_mmap(file, vma);
+
+ /* Use readonly mmap since we cannot support writable maps. */
+ return generic_file_readonly_mmap(file, vma);
}
#define mapping_nrpages(idata) ((idata)->nrpages)