sys/geom/geom_slice.c

141 g_slice_finish_hot(struct bio *bp)
150 	KASSERT(bp->bio_to != NULL,
151 	    ("NULL bio_to in g_slice_finish_hot(%p)", bp));
152 	KASSERT(bp->bio_from != NULL,
153 	    ("NULL bio_from in g_slice_finish_hot(%p)", bp));
154 	gp = bp->bio_to->geom;
157 	KASSERT(cp != NULL, ("NULL consumer in g_slice_finish_hot(%p)", bp));
158 	idx = bp->bio_to->index;
161 	bp2 = g_clone_bio(bp);
163 		g_io_deliver(bp, ENOMEM);
175 g_slice_done(struct bio *bp)
178 	KASSERT(bp->bio_cmd == BIO_GETATTR &&
179 	    strcmp(bp->bio_attribute, "GEOM::ident") == 0,
180 	    ("bio_cmd=0x%x bio_attribute=%s", bp->bio_cmd, bp->bio_attribute));
182 	if (bp->bio_error == 0 && bp->bio_data[0] != '\0') {
187 		    bp->bio_parent->bio_to->index);
188 		if (strlcat(bp->bio_data, idx, bp->bio_length) >=
189 		    bp->bio_length) {
190 			bp->bio_error = EFAULT;
193 	g_std_done(bp);
197 g_slice_start(struct bio *bp)
210 	pp = bp->bio_to;
216 	switch(bp->bio_cmd) {
220 		if (bp->bio_offset > gsl->length) {
221 			g_io_deliver(bp, EINVAL); /* XXX: EWHAT ? */
228 		t = bp->bio_offset + gsl->offset;
233 			if (t + bp->bio_length <= ghp->offset)
235 			switch(bp->bio_cmd) {
245 				g_io_deliver(bp, EROFS);
248 				error = gsp->start(bp);
250 					g_io_deliver(bp, error);
253 				error = g_post_event(gsp->hot, bp, M_NOWAIT,
256 					g_io_deliver(bp, error);
261 		bp2 = g_clone_bio(bp);
263 			g_io_deliver(bp, ENOMEM);
274 		if (gsp->start != NULL && gsp->start(bp))
276 		if (!strcmp("GEOM::ident", bp->bio_attribute)) {
277 			bp2 = g_clone_bio(bp);
279 				g_io_deliver(bp, ENOMEM);
286 		if (!strcmp("GEOM::kerneldump", bp->bio_attribute)) {
289 			gkd = (struct g_kerneldump *)bp->bio_data;
297 		bp2 = g_clone_bio(bp);
299 			g_io_deliver(bp, ENOMEM);
306 		g_io_deliver(bp, EOPNOTSUPP);