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Commit 35390803 authored by Martin Brandenburg's avatar Martin Brandenburg Committed by Mike Marshall
Browse files

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: default avatarMartin Brandenburg <martin@omnibond.com>
Signed-off-by: default avatarMike Marshall <hubcap@omnibond.com>
parent 1be21f86

fs/orangefs/file.c

+3 −1
Original line number Original line Diff line number Diff line
@@ -853,7 +853,9 @@ static int pvfs2_file_mmap(struct file *file, struct vm_area_struct *vma) 
	/* set the sequential readahead hint */

	/* set the sequential readahead hint */

	vma->vm_flags |= VM_SEQ_READ;

	vma->vm_flags |= VM_SEQ_READ;

	vma->vm_flags &= ~VM_RAND_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)

#define mapping_nrpages(idata) ((idata)->nrpages)