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-rw-r--r--fs/ocfs2/mmap.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 69f85ae392dc..51b020447683 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -83,10 +83,12 @@ static struct vm_operations_struct ocfs2_file_vm_ops = {
int ocfs2_mmap(struct file *file, struct vm_area_struct *vma)
{
int ret = 0, lock_level = 0;
+ struct ocfs2_super *osb = OCFS2_SB(file->f_dentry->d_inode->i_sb);
/* We don't want to support shared writable mappings yet. */
- if (((vma->vm_flags & VM_SHARED) || (vma->vm_flags & VM_MAYSHARE))
- && ((vma->vm_flags & VM_WRITE) || (vma->vm_flags & VM_MAYWRITE))) {
+ if (!ocfs2_mount_local(osb) &&
+ ((vma->vm_flags & VM_SHARED) || (vma->vm_flags & VM_MAYSHARE)) &&
+ ((vma->vm_flags & VM_WRITE) || (vma->vm_flags & VM_MAYWRITE))) {
mlog(0, "disallow shared writable mmaps %lx\n", vma->vm_flags);
/* This is -EINVAL because generic_file_readonly_mmap
* returns it in a similar situation. */