sys/kern/vfs_bio.c

544 	KASSERT((bp->b_flags & B_MALLOC) == 0,
748 	KASSERT((bp->b_flags & B_MALLOC) != 0,
842 	if (bp->b_flags & B_CACHE) {
845 			bp->b_flags &= ~B_CACHE;
1065 		bp->b_flags = B_INVAL;
1196 	if (((bp->b_flags & B_INVAL) == 0 && BUF_ISLOCKED(bp)) ||
1197 	    ((bp->b_flags & (B_DELWRI | B_INVAL)) == B_DELWRI))
1291 				    nbusy, bp, bp->b_vp, bp->b_flags,
1366 	if (bp->b_flags & B_REMFREE) {
1381 	if (bp->b_flags & B_AGE)
1400 	if (bp->b_flags & B_REMFREE)
1490 	KASSERT((bp->b_flags & (B_DELWRI | B_NOREUSE)) == 0,
1491 	    ("invalid buffer %p flags %#x", bp, bp->b_flags));
1499 	bp->b_flags = 0;
1589 		bp->b_flags |= B_INVAL;
1658 	CTR3(KTR_BUF, "bremfree(%p) vp %p flags %X", bp, bp->b_vp, bp->b_flags);
1659 	KASSERT((bp->b_flags & B_REMFREE) == 0,
1665 	bp->b_flags |= B_REMFREE;
1696 	    bp, bp->b_vp, bp->b_flags);
1711 	bp->b_flags &= ~B_REMFREE;
1817 		if ((rabp->b_flags & B_CACHE) == 0) {
1828 			rabp->b_flags |= B_ASYNC;
1829 			rabp->b_flags &= ~B_INVAL;
1870 	if ((bp->b_flags & B_CACHE) == 0) {
1882 		bp->b_flags &= ~B_INVAL;
1923 	CTR3(KTR_BUF, "bufwrite(%p) vp %p flags %X", bp, bp->b_vp, bp->b_flags);
1925 		bp->b_flags |= B_INVAL | B_RELBUF;
1926 		bp->b_flags &= ~B_CACHE;
1930 	if (bp->b_flags & B_INVAL) {
1935 	if (bp->b_flags & B_BARRIER)
1938 	oldflags = bp->b_flags;
1963 	bp->b_flags &= ~B_DONE;
1965 	bp->b_flags |= B_CACHE;
2038 			if (nbp->b_flags & B_CLUSTEROK) {
2068 	CTR3(KTR_BUF, "bdwrite(%p) vp %p flags %X", bp, bp->b_vp, bp->b_flags);
2070 	KASSERT((bp->b_flags & B_BARRIER) == 0,
2074 	if (bp->b_flags & B_INVAL) {
2100 	bp->b_flags |= B_CACHE;
2158 	    bp, bp->b_vp, bp->b_flags);
2160 	KASSERT(bp->b_flags & B_REMFREE || bp->b_qindex == QUEUE_NONE,
2163 	bp->b_flags &= ~(B_RELBUF);
2166 	if ((bp->b_flags & B_DELWRI) == 0) {
2167 		bp->b_flags |= /* XXX B_DONE | */ B_DELWRI;
2188 	CTR3(KTR_BUF, "bundirty(%p) vp %p flags %X", bp, bp->b_vp, bp->b_flags);
2190 	KASSERT(bp->b_flags & B_REMFREE || bp->b_qindex == QUEUE_NONE,
2194 	if (bp->b_flags & B_DELWRI) {
2195 		bp->b_flags &= ~B_DELWRI;
2202 	bp->b_flags &= ~B_DEFERRED;
2218 	bp->b_flags |= B_ASYNC;
2235 	bp->b_flags |= B_ASYNC | B_BARRIER;
2252 	bp->b_flags |= B_BARRIER;
2309 	    bp, bp->b_vp, bp->b_flags);
2310 	KASSERT(!(bp->b_flags & (B_CLUSTER|B_PAGING)),
2312 	KASSERT((bp->b_flags & B_VMIO) != 0 || (bp->b_flags & B_NOREUSE) == 0,
2324 	if (bp->b_flags & B_MANAGED) {
2337 	    !(bp->b_flags & B_INVAL)) {
2352 	} else if ((bp->b_flags & (B_NOCACHE | B_INVAL)) ||
2359 		bp->b_flags |= B_INVAL;
2362 		if (bp->b_flags & B_DELWRI)
2364 		bp->b_flags &= ~(B_DELWRI | B_CACHE);
2365 		if ((bp->b_flags & B_VMIO) == 0) {
2381 	if (bp->b_flags & B_DELWRI)
2382 		bp->b_flags &= ~B_RELBUF;
2401 	if ((bp->b_flags & B_VMIO) && (bp->b_flags & B_NOCACHE ||
2405 	    !vn_isdisk(bp->b_vp, NULL) && (bp->b_flags & B_DELWRI))) {
2410 	if ((bp->b_flags & (B_INVAL | B_RELBUF)) != 0 ||
2411 	    (bp->b_flags & (B_DELWRI | B_NOREUSE)) == B_NOREUSE) {
2413 		bp->b_flags &= ~B_NOREUSE;
2424 	    (bp->b_flags & (B_INVAL | B_NOCACHE | B_RELBUF)) != 0)
2425 		bp->b_flags |= B_INVAL;
2426 	if (bp->b_flags & B_INVAL) {
2427 		if (bp->b_flags & B_DELWRI)
2439 	if (bp->b_flags & (B_INVAL | B_NOCACHE | B_RELBUF) ||
2445 		bp->b_flags |= B_AGE;
2447 	} else if (bp->b_flags & B_DELWRI)
2454 	bp->b_flags &= ~(B_ASYNC | B_NOCACHE | B_AGE | B_RELBUF | B_DIRECT);
2455 	if ((bp->b_flags & B_DELWRI) == 0 && (bp->b_xflags & BX_VNDIRTY))
2479 	CTR3(KTR_BUF, "bqrelse(%p) vp %p flags %X", bp, bp->b_vp, bp->b_flags);
2480 	KASSERT(!(bp->b_flags & (B_CLUSTER|B_PAGING)),
2489 	bp->b_flags &= ~(B_ASYNC | B_NOCACHE | B_AGE | B_RELBUF);
2491 	if (bp->b_flags & B_MANAGED) {
2492 		if (bp->b_flags & B_REMFREE)
2498 	if ((bp->b_flags & B_DELWRI) != 0 || (bp->b_vflags & (BV_BKGRDINPROG |
2505 		if ((bp->b_flags & B_DELWRI) == 0 &&
2508 		if ((bp->b_flags & B_NOREUSE) != 0) {
2616 		} else if ((bp->b_flags & B_DIRECT) != 0)
2627 			if ((bp->b_flags & B_NOREUSE) != 0)
2783 	while ((bp->b_flags & B_CACHE) && toff < size) {
2826 	if ((bpa->b_flags & (B_DELWRI | B_CLUSTEROK | B_INVAL)) !=
2875 	    (bp->b_flags & (B_CLUSTEROK | B_INVAL)) == B_CLUSTEROK) {
2904 	bp->b_flags |= B_ASYNC;
2988 		bp->b_flags |= B_INVAL;
3173 		    (bp->b_flags & B_DELWRI) == 0) {
3177 		if (bp->b_flags & B_INVAL) {
3218 			    bp, bp->b_vp, bp->b_flags);
3333 	if ((bp->b_flags & B_VMIO) == 0 || bp->b_bufsize == 0)
3571 		if (bp->b_flags & B_INVAL)
3572 			bp->b_flags &= ~B_CACHE;
3573 		else if ((bp->b_flags & (B_VMIO | B_INVAL)) == 0)
3574 			bp->b_flags |= B_CACHE;
3575 		if (bp->b_flags & B_MANAGED)
3584 			if ((bp->b_flags & B_VMIO) == 0 ||
3586 				if (bp->b_flags & B_DELWRI) {
3600 					bp->b_flags |= B_NOCACHE;
3604 						bp->b_flags |= B_RELBUF;
3607 						bp->b_flags |= B_NOCACHE;
3660 		if ((bp->b_flags & (B_CACHE|B_DELWRI)) == B_DELWRI) {
3661 			bp->b_flags |= B_NOCACHE;
3665 		bp->b_flags &= ~B_DONE;
3734 			bp->b_flags |= B_INVAL;
3757 			bp->b_flags |= B_VMIO;
3762 			bp->b_flags &= ~B_VMIO;
3771 		bp->b_flags &= ~B_DONE;
3799 	bp->b_flags |= B_INVAL;	/* b_dep cleared by getnewbuf() */
3811 	if (bp->b_flags & B_MALLOC) {
3819 			bp->b_flags &= ~B_MALLOC;
3849 		bp->b_flags |= B_MALLOC;
3861 	if (bp->b_flags & B_MALLOC) {
3866 		bp->b_flags &= ~B_MALLOC;
3906 	if ((bp->b_flags & B_VMIO) == 0) {
3907 		if ((bp->b_flags & B_MALLOC) == 0)
3923 		if (bp->b_flags & B_MALLOC)
3930 			bp->b_flags |= B_CACHE;
4033 	if (bp->b_flags & B_EINTR) {
4034 		bp->b_flags &= ~B_EINTR;
4069 	CTR3(KTR_BUF, "bufdone(%p) vp %p flags %X", bp, bp->b_vp, bp->b_flags);
4072 	KASSERT(!(bp->b_flags & B_DONE), ("biodone: bp %p already done", bp));
4102 	if (bp->b_flags & B_VMIO) {
4109 		    !(bp->b_flags & (B_INVAL|B_NOCACHE)) &&
4111 			bp->b_flags |= B_CACHE;
4120 	if (bp->b_flags & B_ASYNC) {
4121 		if ((bp->b_flags & (B_NOCACHE | B_INVAL | B_RELBUF)) ||
4143 	if (!(bp->b_flags & B_VMIO))
4284 	if (!(bp->b_flags & B_VMIO))
4299 		if ((bp->b_flags & B_CLUSTER) == 0) {
4322 		    (bp->b_flags & B_CACHE) == 0) {
4350 	if (!(bp->b_flags & B_VMIO))
4391 	if ((bp->b_flags & (B_VMIO | B_MALLOC)) != B_VMIO) {
4395 	bp->b_flags &= ~B_INVAL;
4481 		bp->b_flags |= B_DIRECT;
4485 		bp->b_flags |= B_RELBUF;
4487 			bp->b_flags |= B_NOREUSE;
4629 	bp->b_flags |= B_DONE;
4641 	while ((bp->b_flags & B_DONE) == 0)
4902 					bp->b_flags |= B_RELBUF;
4904 				bp->b_flags &= ~B_NOCACHE;
4968 	db_printf("b_flags = 0x%b, b_xflags=0x%b, b_vflags=0x%b\n",
4969 	    (u_int)bp->b_flags, PRINT_BUF_FLAGS, (u_int)bp->b_xflags,