11 static loff_t get_pos(struct dnode *d, struct hpfs_dirent *fde)  in get_pos()  argument
14 	struct hpfs_dirent *de_end = dnode_end_de(d);  in get_pos()
16 	for (de = dnode_first_de(d); de < de_end; de = de_next_de(de)) {  in get_pos()
17 		if (de == fde) return ((loff_t) le32_to_cpu(d->self) << 4) | (loff_t)i;  in get_pos()
21 	return ((loff_t)le32_to_cpu(d->self) << 4) | (loff_t)1;  in get_pos()
92 static void hpfs_pos_ins(loff_t *p, loff_t d, loff_t c)  in hpfs_pos_ins()  argument
94 	if ((*p & ~0x3f) == (d & ~0x3f) && (*p & 0x3f) >= (d & 0x3f)) {  in hpfs_pos_ins()
104 static void hpfs_pos_del(loff_t *p, loff_t d, loff_t c)  in hpfs_pos_del()  argument
106 	if ((*p & ~0x3f) == (d & ~0x3f) && (*p & 0x3f) >= (d & 0x3f)) {  in hpfs_pos_del()
116 static struct hpfs_dirent *dnode_pre_last_de(struct dnode *d)  in dnode_pre_last_de()  argument
119 	de_end = dnode_end_de(d);  in dnode_pre_last_de()
120 	for (de = dnode_first_de(d); de < de_end; de = de_next_de(de)) {  in dnode_pre_last_de()
126 static struct hpfs_dirent *dnode_last_de(struct dnode *d)  in dnode_last_de()  argument
129 	de_end = dnode_end_de(d);  in dnode_last_de()
130 	for (de = dnode_first_de(d); de < de_end; de = de_next_de(de)) {  in dnode_last_de()
136 static void set_last_pointer(struct super_block *s, struct dnode *d, dnode_secno ptr)  in set_last_pointer()  argument
139 	if (!(de = dnode_last_de(d))) {  in set_last_pointer()
140 		hpfs_error(s, "set_last_pointer: empty dnode %08x", le32_to_cpu(d->self));  in set_last_pointer()
146 				le32_to_cpu(d->self), de_down_pointer(de));  in set_last_pointer()
150 			hpfs_error(s, "set_last_pointer: bad last dirent in dnode %08x", le32_to_cpu(d->self));  in set_last_pointer()
155 		le32_add_cpu(&d->first_free, 4);  in set_last_pointer()
156 		if (le32_to_cpu(d->first_free) > 2048) {  in set_last_pointer()
157 			hpfs_error(s, "set_last_pointer: too long dnode %08x", le32_to_cpu(d->self));  in set_last_pointer()
158 			le32_add_cpu(&d->first_free, -4);  in set_last_pointer()
169 struct hpfs_dirent *hpfs_add_de(struct super_block *s, struct dnode *d,  in hpfs_add_de()  argument
174 	struct hpfs_dirent *de_end = dnode_end_de(d);  in hpfs_add_de()
176 	for (de = dnode_first_de(d); de < de_end; de = de_next_de(de)) {  in hpfs_add_de()
179 			hpfs_error(s, "name (%c,%d) already exists in dnode %08x", *name, namelen, le32_to_cpu(d->self));  in hpfs_add_de()
194 	le32_add_cpu(&d->first_free, d_size);  in hpfs_add_de()
200 static void hpfs_delete_de(struct super_block *s, struct dnode *d,  in hpfs_delete_de()  argument
204 		hpfs_error(s, "attempt to delete last dirent in dnode %08x", le32_to_cpu(d->self));  in hpfs_delete_de()
207 	d->first_free = cpu_to_le32(le32_to_cpu(d->first_free) - le16_to_cpu(de->length));  in hpfs_delete_de()
208 	memmove(de, de_next_de(de), le32_to_cpu(d->first_free) + (char *)d - (char *)de);  in hpfs_delete_de()
211 static void fix_up_ptrs(struct super_block *s, struct dnode *d)  in fix_up_ptrs()  argument
214 	struct hpfs_dirent *de_end = dnode_end_de(d);  in fix_up_ptrs()
215 	dnode_secno dno = le32_to_cpu(d->self);  in fix_up_ptrs()
216 	for (de = dnode_first_de(d); de < de_end; de = de_next_de(de))  in fix_up_ptrs()
238 	struct dnode *d, *ad, *rd, *nd = NULL;  in hpfs_add_to_dnode()  local
259 	if (!(d = hpfs_map_dnode(i->i_sb, dno, &qbh))) {  in hpfs_add_to_dnode()
272 	if (le32_to_cpu(d->first_free) + de_size(namelen, down_ptr) <= 2048) {  in hpfs_add_to_dnode()
274 		copy_de(de=hpfs_add_de(i->i_sb, d, name, namelen, down_ptr), new_de);  in hpfs_add_to_dnode()
275 		t = get_pos(d, de);  in hpfs_add_to_dnode()
296 	memcpy(nd, d, le32_to_cpu(d->first_free));  in hpfs_add_to_dnode()
300 	if (!(ad = hpfs_alloc_dnode(i->i_sb, le32_to_cpu(d->up), &adno, &qbh1))) {  in hpfs_add_to_dnode()
325 	memcpy(d, nd, le32_to_cpu(nd->first_free));  in hpfs_add_to_dnode()
328 	if (!d->root_dnode) {  in hpfs_add_to_dnode()
329 		ad->up = d->up;  in hpfs_add_to_dnode()
337 	if (!(rd = hpfs_alloc_dnode(i->i_sb, le32_to_cpu(d->up), &rdno, &qbh2))) {  in hpfs_add_to_dnode()
348 	rd->up = d->up;  in hpfs_add_to_dnode()
349 	if (!(fnode = hpfs_map_fnode(i->i_sb, le32_to_cpu(d->up), &bh))) {  in hpfs_add_to_dnode()
362 	d->up = ad->up = cpu_to_le32(rdno);  in hpfs_add_to_dnode()
363 	d->root_dnode = ad->root_dnode = 0;  in hpfs_add_to_dnode()
371 	d = rd;  in hpfs_add_to_dnode()
388 	struct dnode *d;  in hpfs_add_dirent()  local
398 	if (!(d = hpfs_map_dnode(i->i_sb, dno, &qbh))) return 1;  in hpfs_add_dirent()
399 	de_end = dnode_end_de(d);  in hpfs_add_dirent()
400 	for (de = dnode_first_de(d); de < de_end; de = de_next_de(de)) {  in hpfs_add_dirent()
819 	dnode_secno d = dno;  in hpfs_de_as_down_as_possible()  local
826 		if (hpfs_stop_cycles(s, d, &c1, &c2, "hpfs_de_as_down_as_possible"))  in hpfs_de_as_down_as_possible()
827 			return d;  in hpfs_de_as_down_as_possible()
828 	if (!(de = map_nth_dirent(s, d, 1, &qbh, NULL))) return dno;  in hpfs_de_as_down_as_possible()
831 …own_as_possible: bad up pointer; dnode %08x, down %08x points to %08x", up, d, le32_to_cpu(((struc…  in hpfs_de_as_down_as_possible()
834 		return d;  in hpfs_de_as_down_as_possible()
836 	up = d;  in hpfs_de_as_down_as_possible()
837 	d = de_down_pointer(de);  in hpfs_de_as_down_as_possible()
848 	struct hpfs_dirent *de, *d;  in map_pos_dirent()  local
862 	if ((d = de_next_de(de)) < dnode_end_de(dnode)) {  in map_pos_dirent()
870 		if (d->down) {  in map_pos_dirent()
871 			*posp = ((loff_t) hpfs_de_as_down_as_possible(inode->i_sb, de_down_pointer(d)) << 4) + 1;  in map_pos_dirent()
1002 	struct dnode *d;  in map_fnode_dirent()  local
1038 	if (!(d = hpfs_map_dnode(s, dno, qbh))) {  in map_fnode_dirent()
1042 	de_end = dnode_end_de(d);  in map_fnode_dirent()
1043 	de = dnode_first_de(d);  in map_fnode_dirent()
1078 	if (d->root_dnode) goto not_found;  in map_fnode_dirent()
1080 	dno = le32_to_cpu(d->up);  in map_fnode_dirent()