search for: usr_idx

...es << PAGE_SHIFT, NULL); + } + + if (locked) + up_write(&mm->mmap_sem); } /****************************************************************** @@ -1356,6 +1373,7 @@ static void dispatch_rw_block_io(blkif_t int pending_idx = RTN_PEND_IDX(pending_req,pending_req->mem_idx); int usr_idx; uint16_t mmap_idx = pending_req->mem_idx; + struct mm_struct *mm; if (blkif->dev_num < 0 || blkif->dev_num > MAX_TAP_DEV) goto fail_response; @@ -1416,6 +1434,9 @@ static void dispatch_rw_block_io(blkif_t pending_req->status = BLKIF_RSP_OKAY; pending_req->nr_pa...

...upstream. You should consider pushing it to the archive. root at ibmx3650m2-210-147:/usr/src/blktap-2.0.91# diff -Naru ring.c /tmp/ring.c --- ring.c 2013-09-17 11:47:27.468200000 -0400 +++ /tmp/ring.c 2013-09-17 11:47:56.836200000 -0400 @@ -210,7 +210,7 @@ pgoff = 1 + request->usr_idx * BLKTAP_SEGMENT_MAX; - addr = do_mmap_pgoff(filp, addr, len, prot, flags, pgoff); + addr = vm_mmap(filp, addr, len, prot, flags, pgoff << PAGE_SHIFT); return IS_ERR_VALUE(addr) ? addr : 0; } @@ -230,8 +230,7 @@ addr = MMAP_VADDR(ring->user_vstart, request...

Patrick, there following patches fix xenpaging for me. Granttable handling is incomplete. If a page is gone, a GNTST_eagain should be returned to the caller to inidcate the hypercall has to be retried after a while, until the page is available again. Please review. Olaf _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com