bsd/hfs/hfs_vnops.c

3094 		 * Even though hfs_vnop_rename calls vnode_recycle for us on tvp we call
4061 	struct vnode *tvp = ap->a_tvp;
4097 	if (tvp && VTOC(tvp)) {
4098 		orig_to_ctime = VTOC(tvp)->c_ctime;
4105 	 * Do special case checks here.  If fvp == tvp then we need to check the
4108 	if (fvp == tvp) {
4131 			 * is off, and the case folded names are the same.  See the fvp == tvp case below for more
4155 	if (tvp && VTOC(tvp)) {
4157 			check_for_tracked_file(tvp, orig_to_ctime, NAMESPACE_HANDLER_DELETE_OP, NULL);
4162 	/* When tvp exists, take the truncate lock for hfs_removefile(). */
4163 	if (tvp && (vnode_isreg(tvp) || vnode_islnk(tvp))) {
4164 		hfs_lock_truncate(VTOC(tvp), HFS_EXCLUSIVE_LOCK, HFS_LOCK_DEFAULT);
4169 	error = hfs_lockfour(VTOC(fdvp), VTOC(fvp), VTOC(tdvp), tvp ? VTOC(tvp) : NULL,
4173 			hfs_unlock_truncate(VTOC(tvp), HFS_LOCK_DEFAULT);
4180 		 * an iocount on tvp's resource fork vnode.  Drop that before dealing
4191 		 * tvp might no longer exist.  If the cause of the lock failure
4192 		 * was tvp, then we can try again with tvp/tcp set to NULL.
4196 		if ((error == ENOENT) && (tvp != NULL) && (error_cnode == VTOC(tvp))) {
4198 			tvp = NULL;
4212 	tcp = tvp ? VTOC(tvp) : NULL;
4221 		hfs_unlockfour(VTOC(fdvp), VTOC(fvp), VTOC(tdvp), tvp ? VTOC(tvp) : NULL);
4256 			hfs_unlockfour(VTOC(fdvp), VTOC(fvp), VTOC(tdvp), tvp ? VTOC(tvp) : NULL);
4290 		if ((tvp) && (tcp->c_rsrc_vp) && (tvp_rsrc == NULL)) {
4300 				hfs_unlock_truncate (VTOC(tvp), HFS_LOCK_DEFAULT);
4344 			hfs_unlock_truncate(VTOC(tvp), HFS_LOCK_DEFAULT);
4352 	    tvp = NULL;
4354 	    // retry the locking with tvp null'ed out
4398 	 *    o tvp
4407 	 * (note tvp is not empty)
4412 	 *    o tvp            tvp o fdvp
4420 	if (tvp && vnode_isdir(tvp) && (tcp->c_entries != 0) && fvp != tvp) {
4456 	if (tvp && (tdcp->c_mode & S_ISTXT) &&
4472 	if (tvp)
4555 	 * existing 'tvp' element to the hidden directory in hfs_vnop_rename.
4580 	if (tvp) {
4584 		if (fvp != tvp) {
4591 				save_tombstone(hfsmp, tdvp, tvp, tcnp, 0);
4633 		 * When fvp matches tvp they could be case variants
4636 		if (fvp == tvp) {
4639 				 * If they're not hardlinks, then fvp == tvp must mean we
4667 				 * b) Both paths 'fvp' and 'tvp' are in the same parent directory.
4687 		if (vnode_isdir(tvp)) {
4696 			error = hfs_removedir(tdvp, tvp, tcnp, HFSRM_SKIP_RESERVE, 1);
4699 			error = hfs_removefile(tdvp, tvp, tcnp, 0, HFSRM_SKIP_RESERVE, 0, NULL, 1);
4730 		 * Aggressively mark tvp/tcp for termination to ensure that we recover all blocks
4733 		vnode_recycle(tvp);
4769 		} else if (ut->t_lastop_document_id && should_save_docid_tombstone(ut, fvp, fcnp) && should_save_docid_tombstone(ut, tvp, tcnp)) {
4778 	 * All done with tvp and fvp.
4921 		hfs_unlock_truncate(VTOC(tvp), HFS_LOCK_DEFAULT);
4932 	/* After tvp is removed the only acceptable error is EIO */
5778 	struct vnode *tvp;
5819 	tvp = NULL;
6111 							NULL, &tvp, &newvnode_flags);
6115 	cp = VTOC(tvp);
6157 	*vpp = tvp;
6182 				cache_enter (dvp, tvp, cnp);
6191 			 * cnode/vnode 'tvp'.  Ordinarily, you must acquire the truncate lock
6196 			 * 'tvp' is not lookup-able and it was a newly created vnode so it
6205 			int err = hfs_removefile (dvp, tvp, cnp, 0, 0, 1, NULL, 0);
6207 				printf("hfs_makenode: removefile failed (%d) for CP entry %p\n", err, tvp);
6212 			err = vnode_recycle (tvp);
6214 				printf("hfs_makenode: vnode_recycle failed (%d) for CP entry %p\n", err, tvp);
6218 			vnode_put (tvp);