bsd/vm/vnode_pager.c

62 #include <mach/upl.h>
259 	upl_t			upl,
289 		if (upl && !(flags & UPL_NOCOMMIT))
290 		        ubc_upl_abort_range(upl, upl_offset, size, UPL_ABORT_FREE_ON_EMPTY);
303 		if ( (error_ret = VNOP_PAGEOUT(vp, upl, upl_offset, (off_t)f_offset,
313 	if (upl == NULL) {
343 	        if (ubc_create_upl(vp, f_offset, size, &upl, &pl, request_flags) != KERN_SUCCESS) {
350 		pl = ubc_upl_pageinfo(upl);
354 	 * for msyncs...  the upl may not contain any
379 				        ubc_upl_abort_range(upl, offset, PAGE_SIZE, UPL_ABORT_FREE_ON_EMPTY);
385 			        ubc_upl_commit_range(upl, offset, PAGE_SIZE, UPL_COMMIT_FREE_ON_EMPTY);
393 	 * UPL so that we aren't looking at a upl that
405 			 * our hold on the upl and leave
408 			        ubc_upl_abort_range(upl, upl_offset, isize, UPL_ABORT_FREE_ON_EMPTY);
458 				        ubc_upl_abort_range(upl, offset, PAGE_SIZE, UPL_ABORT_FREE_ON_EMPTY);
464 			        ubc_upl_commit_range(upl, offset, PAGE_SIZE, UPL_COMMIT_FREE_ON_EMPTY);
488 		if ( (error = VNOP_PAGEOUT(vp, upl, offset, (off_t)f_offset,
514 	upl_t        		upl,
542 		if (upl && must_commit)
543 			ubc_upl_abort_range(upl, upl_offset, size, UPL_ABORT_FREE_ON_EMPTY | UPL_ABORT_ERROR);
547 	if (upl == (upl_t)NULL) {
575 	        ubc_create_upl(vp, f_offset, size, &upl, &pl, UPL_UBC_PAGEIN | UPL_RET_ONLY_ABSENT);
577 		if (upl == (upl_t)NULL) {
582 		ubc_upl_range_needed(upl, upl_offset / PAGE_SIZE, 1);
588 		 * if we get here, we've created the upl and
594 	        pl = ubc_upl_pageinfo(upl);
603          * upl
613 			        ubc_upl_abort_range(upl, upl_offset, size, UPL_ABORT_FREE_ON_EMPTY);
651 			        ubc_upl_abort_range(upl, start_pg * PAGE_SIZE, xsize, UPL_ABORT_FREE_ON_EMPTY);
672 		 * or non-present page before the end of the upl is reached, if we
685 			if ( (error = VNOP_PAGEIN(vp, upl, (upl_offset_t) xoff,
700 			        		ubc_upl_abort_range(upl, (upl_offset_t) xoff, xsize, UPL_ABORT_FREE_ON_EMPTY | UPL_ABORT_RESTART);
704 			        		ubc_upl_abort_range(upl, (upl_offset_t) xoff, xsize, UPL_ABORT_FREE_ON_EMPTY | UPL_ABORT_ERROR);
740 upl_get_internal_page_list(upl_t upl)
742   return(UPL_GET_INTERNAL_PAGE_LIST(upl));