fs/hpfs/ea.c

3  *  linux/fs/hpfs/ea.c
20 		struct extended_attribute *ea = (struct extended_attribute *)ex;
27 		if (ea_indirect(ea)) {
28 			if (ea_valuelen(ea) != 8) {
29 				hpfs_error(s, "ea_indirect(ea) set while ea->valuelen!=8, %s %08x, pos %08x",
33 			if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 9, ex+4))
35 			hpfs_ea_remove(s, ea_sec(ea), ea_in_anode(ea), ea_len(ea));
37 		pos += ea->namelen + ea_valuelen(ea) + 5;
81 	struct extended_attribute *ea;
83 	for (ea = fnode_ea(fnode); ea < ea_end; ea = next_ea(ea))
84 		if (!strcmp(ea->name, key)) {
85 			if (ea_indirect(ea))
87 			if (ea_valuelen(ea) >= size)
89 			memcpy(buf, ea_data(ea), ea_valuelen(ea));
90 			buf[ea_valuelen(ea)] = 0;
98 		ea = (struct extended_attribute *)ex;
105 		if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 1 + (ea_indirect(ea) ? 8 : 0), ex + 4))
107 		if (!strcmp(ea->name, key)) {
108 			if (ea_indirect(ea))
110 			if (ea_valuelen(ea) >= size)
112 			if (hpfs_ea_read(s, a, ano, pos + 4 + ea->namelen + 1, ea_valuelen(ea), buf))
114 			buf[ea_valuelen(ea)] = 0;
117 		pos += ea->namelen + ea_valuelen(ea) + 5;
121 	if (ea_len(ea) >= size)
123 	if (hpfs_ea_read(s, ea_sec(ea), ea_in_anode(ea), 0, ea_len(ea), buf))
125 	buf[ea_len(ea)] = 0;
136 	struct extended_attribute *ea;
138 	for (ea = fnode_ea(fnode); ea < ea_end; ea = next_ea(ea))
139 		if (!strcmp(ea->name, key)) {
140 			if (ea_indirect(ea))
141 				return get_indirect_ea(s, ea_in_anode(ea), ea_sec(ea), *size = ea_len(ea));
142 			if (!(ret = kmalloc((*size = ea_valuelen(ea)) + 1, GFP_NOFS))) {
146 			memcpy(ret, ea_data(ea), ea_valuelen(ea));
147 			ret[ea_valuelen(ea)] = 0;
156 		ea = (struct extended_attribute *)ex;
163 		if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 1 + (ea_indirect(ea) ? 8 : 0), ex + 4))
165 		if (!strcmp(ea->name, key)) {
166 			if (ea_indirect(ea))
167 				return get_indirect_ea(s, ea_in_anode(ea), ea_sec(ea), *size = ea_len(ea));
168 			if (!(ret = kmalloc((*size = ea_valuelen(ea)) + 1, GFP_NOFS))) {
172 			if (hpfs_ea_read(s, a, ano, pos + 4 + ea->namelen + 1, ea_valuelen(ea), ret)) {
176 			ret[ea_valuelen(ea)] = 0;
179 		pos += ea->namelen + ea_valuelen(ea) + 5;
186  * when this ea exists, it MUST have the same size as size of data.
199 	struct extended_attribute *ea;
201 	for (ea = fnode_ea(fnode); ea < ea_end; ea = next_ea(ea))
202 		if (!strcmp(ea->name, key)) {
203 			if (ea_indirect(ea)) {
204 				if (ea_len(ea) == size)
205 					set_indirect_ea(s, ea_in_anode(ea), ea_sec(ea), data, size);
206 			} else if (ea_valuelen(ea) == size) {
207 				memcpy(ea_data(ea), data, size);
217 		ea = (struct extended_attribute *)ex;
224 		if (hpfs_ea_read(s, a, ano, pos + 4, ea->namelen + 1 + (ea_indirect(ea) ? 8 : 0), ex + 4))
226 		if (!strcmp(ea->name, key)) {
227 			if (ea_indirect(ea)) {
228 				if (ea_len(ea) == size)
229 					set_indirect_ea(s, ea_in_anode(ea), ea_sec(ea), data, size);
232 				if (ea_valuelen(ea) == size)
233 					hpfs_ea_write(s, a, ano, pos + 4 + ea->namelen + 1, size, data);
237 		pos += ea->namelen + ea_valuelen(ea) + 5;
255 		ea = fnode_end_ea(fnode);
256 		*(char *)ea = 0;
257 		ea->namelen = strlen(key);
258 		ea->valuelen_lo = size;
259 		ea->valuelen_hi = size >> 8;
260 		strcpy(ea->name, key);
261 		memcpy(ea_data(ea), data, size);
266 	   But what .. HPFS.IFS has also bugs in ea management. */
298 				/* Aargh... don't know how to create ea anodes :-( */