Follow up to Nick Piggin's patches to ensure that nfs_vm_page_mkwrite returns with the page lock held, and sets the VM_FAULT_LOCKED flag. See http://bugzilla.kernel.org/show_bug.cgi?id=12913 Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx> --- fs/nfs/file.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 5a97bcf..ec7e27d 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -517,10 +517,10 @@ static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) ret = nfs_updatepage(filp, page, 0, pagelen); out_unlock: + if (!ret) + return VM_FAULT_LOCKED; unlock_page(page); - if (ret) - ret = VM_FAULT_SIGBUS; - return ret; + return VM_FAULT_SIGBUS; } static struct vm_operations_struct nfs_file_vm_ops = { -- 1.6.0.6 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
