1869 	struct uio *uiov;  in p9fs_doio()  local
1884 	uiov = malloc(sizeof(struct uio), M_P9UIOV, M_WAITOK);  in p9fs_doio()
1885 	uiov->uio_iov = &io;  in p9fs_doio()
1886 	uiov->uio_iovcnt = 1;  in p9fs_doio()
1887 	uiov->uio_segflg = UIO_SYSSPACE;  in p9fs_doio()
1891 		io.iov_len = uiov->uio_resid = bp->b_bcount;  in p9fs_doio()
1893 		uiov->uio_rw = UIO_READ;  in p9fs_doio()
1899 			uiov->uio_offset = ((off_t)bp->b_blkno) * DEV_BSIZE;  in p9fs_doio()
1901 			if (uiov->uio_resid) {  in p9fs_doio()
1902 				int left = uiov->uio_resid;  in p9fs_doio()
1909 			offset = uiov->uio_offset;  in p9fs_doio()
1910 			if (uiov->uio_offset >= filesize)  in p9fs_doio()
1913 			while ((resid = uiov->uio_resid) > 0) {  in p9fs_doio()
1916 				count = min(filesize - uiov->uio_offset, resid);  in p9fs_doio()
1921 				    __func__, uiov->uio_resid, (uintmax_t)uiov->uio_offset);  in p9fs_doio()
1925 				error = uiomove(io_buffer, ret, uiov);  in p9fs_doio()
1939 			io.iov_len = uiov->uio_resid = bp->b_dirtyend - bp->b_dirtyoff;  in p9fs_doio()
1940 			uiov->uio_offset = ((off_t)bp->b_blkno) * PAGE_SIZE + bp->b_dirtyoff;  in p9fs_doio()
1942 			uiov->uio_rw = UIO_WRITE;  in p9fs_doio()
1944 			if (uiov->uio_offset < 0) {  in p9fs_doio()
1949 			if (uiov->uio_resid == 0)  in p9fs_doio()
1952 			resid = uiov->uio_resid;  in p9fs_doio()
1953 			offset = uiov->uio_offset;  in p9fs_doio()
1956 			while ((resid = uiov->uio_resid) > 0) {  in p9fs_doio()
1959 				error = uiomove(io_buffer, count, uiov);  in p9fs_doio()
1972 					    __func__, uiov->uio_resid, (uintmax_t)uiov->uio_offset);  in p9fs_doio()
1980 			if (filesize < uiov->uio_offset + uiov->uio_resid) {  in p9fs_doio()
1981 				np->inode.i_size = uiov->uio_offset + uiov->uio_resid;  in p9fs_doio()
1982 				vnode_pager_setsize(vp, uiov->uio_offset + uiov->uio_resid);  in p9fs_doio()
1997 	bp->b_resid = uiov->uio_resid;  in p9fs_doio()
2001 	free(uiov, M_P9UIOV);  in p9fs_doio()