fs/gfs2/trans.c

166 	struct gfs2_bufdata *bd;
168 	bd = kmem_cache_zalloc(gfs2_bufdata_cachep, GFP_NOFS | __GFP_NOFAIL);
169 	bd->bd_bh = bh;
170 	bd->bd_gl = gl;
171 	INIT_LIST_HEAD(&bd->bd_list);
172 	INIT_LIST_HEAD(&bd->bd_ail_st_list);
173 	INIT_LIST_HEAD(&bd->bd_ail_gl_list);
174 	bh->b_private = bd;
175 	return bd;
196 	struct gfs2_bufdata *bd;
204 	bd = bh->b_private;
205 	if (bd == NULL) {
209 			bd = gfs2_alloc_bufdata(gl, bh);
211 			bd = bh->b_private;
215 	gfs2_assert(sdp, bd->bd_gl == gl);
217 	if (list_empty(&bd->bd_list)) {
218 		set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags);
219 		set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
220 		gfs2_pin(sdp, bd->bd_bh);
222 		list_add_tail(&bd->bd_list, &tr->tr_databuf);
234 	struct gfs2_bufdata *bd;
245 	bd = bh->b_private;
246 	if (bd == NULL) {
251 			bd = gfs2_alloc_bufdata(gl, bh);
253 			bd = bh->b_private;
258 	gfs2_assert(sdp, bd->bd_gl == gl);
260 	if (!list_empty(&bd->bd_list))
262 	set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags);
263 	set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags);
264 	mh = (struct gfs2_meta_header *)bd->bd_bh->b_data;
268 		       (unsigned long long)bd->bd_bh->b_blocknr);
273 			(unsigned long long)bd->bd_bh->b_blocknr);
281 	gfs2_pin(sdp, bd->bd_bh);
284 	list_add(&bd->bd_list, &tr->tr_buf);
294 void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
298 	BUG_ON(!list_empty(&bd->bd_list));
299 	gfs2_add_revoke(sdp, bd);
306 	struct gfs2_bufdata *bd, *tmp;
310 	list_for_each_entry_safe(bd, tmp, &sdp->sd_log_revokes, bd_list) {
311 		if ((bd->bd_blkno >= blkno) && (bd->bd_blkno < (blkno + len))) {
312 			list_del_init(&bd->bd_list);
315 			if (bd->bd_gl)
316 				gfs2_glock_remove_revoke(bd->bd_gl);
317 			kmem_cache_free(gfs2_bufdata_cachep, bd);