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Orangefs: Use readonly mmap since writepage is not implemented.

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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>
This commit is contained in:
Martin Brandenburg 2015-09-30 13:11:54 -04:00 committed by Mike Marshall
parent 1be21f865a
commit 353908035f
1 changed files with 3 additions and 1 deletions
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4
fs/orangefs/file.c
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@ -853,7 +853,9 @@ static int pvfs2_file_mmap(struct file *file, struct vm_area_struct *vma)
/* 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)