bsd/vfs/vfs_vnops.c

155 vn_open(struct nameidata *ndp, int fmode, int cmode)
157 	return(vn_open_modflags(ndp, &fmode, cmode));
161 vn_open_modflags(struct nameidata *ndp, int *fmodep, int cmode)
168 	return(vn_open_auth(ndp, fmodep, &va));
201 vn_open_auth_do_create(struct nameidata *ndp, struct vnode_attr *vap, int fmode, boolean_t *did_create, boolean_t *did_open, vfs_context_t ctx)
204 	vnode_t dvp = ndp->ni_dvp;
209 	batched = vnode_compound_open_available(ndp->ni_dvp);
217 	if (ndp->ni_cnd.cn_flags & CN_WANTSRSRCFORK) {
218 		if ((error = vn_authorize_create(dvp, &ndp->ni_cnd, vap, ctx, NULL)) != 0)
220 		if ((error = vnode_makenamedstream(dvp, &ndp->ni_vp, XATTR_RESOURCEFORK_NAME, 0, ctx)) != 0)
226 			if ((error = vn_authorize_create(dvp, &ndp->ni_cnd, vap, ctx, NULL)) != 0)
230 		error = vn_create(dvp, &ndp->ni_vp, ndp, vap, VN_CREATE_DOOPEN, fmode, &status, ctx);
245 				if ((ndp->ni_flag & NAMEI_CONTLOOKUP) == 0) {
271 	vp = ndp->ni_vp;
272 	namei_unlock_fsnode(ndp);
284 			vnode_update_identity(vp, dvp, ndp->ni_cnd.cn_nameptr, ndp->ni_cnd.cn_namelen, ndp->ni_cnd.cn_hash, update_flags);
287 		ndp->ni_dvp = NULLVP;
298 	if (ndp->ni_dvp != NULLVP) {
300 		ndp->ni_dvp = NULLVP;
308  * pointed to by ndp, fmodep, and vap as necessary to perform the requested
312  * Parameters:	ndp			The nami data pointer describing the
328  *		The contents of '*ndp' will be modified, based on the other
352 vn_open_auth(struct nameidata *ndp, int *fmodep, struct vnode_attr *vap)
356 	vfs_context_t ctx = ndp->ni_cnd.cn_context;
374 	origcnflags = ndp->ni_cnd.cn_flags;
384 		ndp->ni_cnd.cn_nameiop = CREATE;
386 		ndp->ni_op = OP_LINK;
389 		ndp->ni_cnd.cn_flags &= (USEDVP | NOCROSSMOUNT | DOWHITEOUT);
390 		ndp->ni_cnd.cn_flags |= LOCKPARENT | LOCKLEAF | AUDITVNPATH1;
391 		ndp->ni_flag = NAMEI_COMPOUNDOPEN;
394 		ndp->ni_cnd.cn_flags |= CN_ALLOWRSRCFORK;
397 			ndp->ni_cnd.cn_flags |= FOLLOW;
400 		if ( (error = namei(ndp)) )
403 		dvp = ndp->ni_dvp;
404 		vp = ndp->ni_vp;
420 			error = vn_open_auth_do_create(ndp, vap, fmode, &did_create, &did_open, ctx);
422 			dvp = ndp->ni_dvp;
423 			vp = ndp->ni_vp;
436 			nameidone(ndp);
467 				error = VNOP_COMPOUND_OPEN(dvp, &ndp->ni_vp, ndp, 0, fmode, NULL, NULL, ctx);
470 					vp = ndp->ni_vp;
473 					if ((ndp->ni_flag & NAMEI_CONTLOOKUP) == 0) {
479 			nameidone(ndp);
481 			ndp->ni_dvp = NULLVP;
495 		ndp->ni_cnd.cn_nameiop = LOOKUP;
497 		ndp->ni_cnd.cn_flags &= (USEDVP | NOCROSSMOUNT | DOWHITEOUT);
498 		ndp->ni_cnd.cn_flags |= FOLLOW | LOCKLEAF | AUDITVNPATH1 | WANTPARENT;
501 		ndp->ni_cnd.cn_flags |= CN_ALLOWRSRCFORK;
503 		ndp->ni_flag = NAMEI_COMPOUNDOPEN;
507 			ndp->ni_cnd.cn_flags &= ~FOLLOW;
512 			if ( (error = namei(ndp)) )
514 			vp = ndp->ni_vp;
515 			dvp = ndp->ni_dvp;
520 				error = VNOP_COMPOUND_OPEN(dvp, &ndp->ni_vp, ndp, 0, fmode, NULL, NULL, ctx);
521 				vp = ndp->ni_vp;
525 					if ((ndp->ni_flag & NAMEI_CONTLOOKUP) == 0) {
532 		nameidone(ndp);
534 		ndp->ni_dvp = NULLVP;
545 	if (ndp->ni_dvp != NULLVP) {
560 			error = vn_authorize_open_existing(vp, &ndp->ni_cnd, fmode, ctx, NULL);
626 	ndp->ni_vp = NULL;