sys/kern/vfs_bio.c

1180 		bp->b_data = bp->b_kvabase = unmapped_buf;
1303 	KASSERT(bp->b_data != unmapped_buf,
1304 	    ("mapped buf: b_data was not updated %p", bp));
1305 	KASSERT(bp->b_data < unmapped_buf || bp->b_data >= unmapped_buf +
1306 	    maxphys, ("b_data + b_offset unmapped %p", bp));
1313 	KASSERT(bp->b_data == unmapped_buf,
1314 	    ("unmapped buf: corrupted b_data %p", bp));
1456 	 * bp->b_data is relative to bp->b_offset, but
1459 	bp->b_data = (caddr_t)trunc_page((vm_offset_t)bp->b_data);
1460 	pmap_qenter((vm_offset_t)bp->b_data, bp->b_pages, bp->b_npages);
1461 	bp->b_data = (caddr_t)((vm_offset_t)bp->b_data |
1706 	bp->b_data = bp->b_kvabase = unmapped_buf;
2004 		    bp->b_data == unmapped_buf,
2017 	bp->b_data = bp->b_kvabase = unmapped_buf;
2053 		bp->b_data = unmapped_buf;
2056 		bp->b_data = bp->b_kvabase;
2945 		pmap_qenter(trunc_page((vm_offset_t)bp->b_data),
2963 		pmap_qremove(trunc_page((vm_offset_t)bp->b_data), bp->b_npages);
2969 	 * page-aligned then b_data pointer may not be page-aligned.
3019 		pmap_qremove((vm_offset_t)trunc_page((vm_offset_t)bp->b_data) +
3192 	gbflags = (bp->b_data == unmapped_buf) ? GB_UNMAPPED : 0;
3777 	need_mapping = bp->b_data == unmapped_buf &&
3780 	    bp->b_data == unmapped_buf &&
3820 		bp->b_data = bp->b_kvabase;
4203 			free(bp->b_data, M_BIOBUF);
4204 			bp->b_data = bp->b_kvabase;
4234 		bp->b_data = malloc(newbsize, M_BIOBUF, M_WAITOK);
4248 		origbuf = bp->b_data;
4250 		bp->b_data = bp->b_kvabase;
4255 	vm_hold_load_pages(bp, (vm_offset_t) bp->b_data + bp->b_bufsize,
4256 	    (vm_offset_t) bp->b_data + newbsize);
4258 		bcopy(origbuf, bp->b_data, origbufsize);
4544 				pmap_qenter(trunc_page((vm_offset_t)bp->b_data),
4707 		pmap_qenter(trunc_page((vm_offset_t)bp->b_data),
4818 		bzero(bp->b_data + base, size);
4891 	index = (from - trunc_page((vm_offset_t)bp->b_data)) >> PAGE_SHIFT;
4922 	from = round_page((vm_offset_t)bp->b_data + newbsize);
4923 	newnpages = (from - trunc_page((vm_offset_t)bp->b_data)) >> PAGE_SHIFT;
4968 		bp->b_data = bp->b_kvabase + bp->b_offset;
4970 		bp->b_data = unmapped_buf;
4987 		pmap_qremove(trunc_page((vm_offset_t)bp->b_data), npages);
4990 	bp->b_data = unmapped_buf;
5124 		bip->bio_data = bp->b_data;
5356 	    "b_bufobj = (%p), b_data = %p\n, b_blkno = %jd, b_lblkno = %jd, "
5359 	    bp->b_bufobj, bp->b_data, (intmax_t)bp->b_blkno,