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1/*
2 * linux/fs/hpfs/dir.c
3 *
4 * Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz), 1998-1999
5 *
6 * directory VFS functions
7 */
8
9#include <linux/slab.h>
10#include "hpfs_fn.h"
11
12static int hpfs_dir_release(struct inode *inode, struct file *filp)
13{
14 hpfs_lock(inode->i_sb);
15 hpfs_del_pos(inode, &filp->f_pos);
16 /*hpfs_write_if_changed(inode);*/
17 hpfs_unlock(inode->i_sb);
18 return 0;
19}
20
21/* This is slow, but it's not used often */
22
23static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
24{
25 loff_t new_off = off + (whence == 1 ? filp->f_pos : 0);
26 loff_t pos;
27 struct quad_buffer_head qbh;
28 struct inode *i = file_inode(filp);
29 struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
30 struct super_block *s = i->i_sb;
31
32 /* Somebody else will have to figure out what to do here */
33 if (whence == SEEK_DATA || whence == SEEK_HOLE)
34 return -EINVAL;
35
36 inode_lock(i);
37 hpfs_lock(s);
38
39 /*pr_info("dir lseek\n");*/
40 if (new_off == 0 || new_off == 1 || new_off == 11 || new_off == 12 || new_off == 13) goto ok;
41 pos = ((loff_t) hpfs_de_as_down_as_possible(s, hpfs_inode->i_dno) << 4) + 1;
42 while (pos != new_off) {
43 if (map_pos_dirent(i, &pos, &qbh)) hpfs_brelse4(&qbh);
44 else goto fail;
45 if (pos == 12) goto fail;
46 }
47 hpfs_add_pos(i, &filp->f_pos);
48ok:
49 filp->f_pos = new_off;
50 hpfs_unlock(s);
51 inode_unlock(i);
52 return new_off;
53fail:
54 /*pr_warn("illegal lseek: %016llx\n", new_off);*/
55 hpfs_unlock(s);
56 inode_unlock(i);
57 return -ESPIPE;
58}
59
60static int hpfs_readdir(struct file *file, struct dir_context *ctx)
61{
62 struct inode *inode = file_inode(file);
63 struct hpfs_inode_info *hpfs_inode = hpfs_i(inode);
64 struct quad_buffer_head qbh;
65 struct hpfs_dirent *de;
66 int lc;
67 loff_t next_pos;
68 unsigned char *tempname;
69 int c1, c2 = 0;
70 int ret = 0;
71
72 hpfs_lock(inode->i_sb);
73
74 if (hpfs_sb(inode->i_sb)->sb_chk) {
75 if (hpfs_chk_sectors(inode->i_sb, inode->i_ino, 1, "dir_fnode")) {
76 ret = -EFSERROR;
77 goto out;
78 }
79 if (hpfs_chk_sectors(inode->i_sb, hpfs_inode->i_dno, 4, "dir_dnode")) {
80 ret = -EFSERROR;
81 goto out;
82 }
83 }
84 if (hpfs_sb(inode->i_sb)->sb_chk >= 2) {
85 struct buffer_head *bh;
86 struct fnode *fno;
87 int e = 0;
88 if (!(fno = hpfs_map_fnode(inode->i_sb, inode->i_ino, &bh))) {
89 ret = -EIOERROR;
90 goto out;
91 }
92 if (!fnode_is_dir(fno)) {
93 e = 1;
94 hpfs_error(inode->i_sb, "not a directory, fnode %08lx",
95 (unsigned long)inode->i_ino);
96 }
97 if (hpfs_inode->i_dno != le32_to_cpu(fno->u.external[0].disk_secno)) {
98 e = 1;
99 hpfs_error(inode->i_sb, "corrupted inode: i_dno == %08x, fnode -> dnode == %08x", hpfs_inode->i_dno, le32_to_cpu(fno->u.external[0].disk_secno));
100 }
101 brelse(bh);
102 if (e) {
103 ret = -EFSERROR;
104 goto out;
105 }
106 }
107 lc = hpfs_sb(inode->i_sb)->sb_lowercase;
108 if (ctx->pos == 12) { /* diff -r requires this (note, that diff -r */
109 ctx->pos = 13; /* also fails on msdos filesystem in 2.0) */
110 goto out;
111 }
112 if (ctx->pos == 13) {
113 ret = -ENOENT;
114 goto out;
115 }
116
117 while (1) {
118 again:
119 /* This won't work when cycle is longer than number of dirents
120 accepted by filldir, but what can I do?
121 maybe killall -9 ls helps */
122 if (hpfs_sb(inode->i_sb)->sb_chk)
123 if (hpfs_stop_cycles(inode->i_sb, ctx->pos, &c1, &c2, "hpfs_readdir")) {
124 ret = -EFSERROR;
125 goto out;
126 }
127 if (ctx->pos == 12)
128 goto out;
129 if (ctx->pos == 3 || ctx->pos == 4 || ctx->pos == 5) {
130 pr_err("pos==%d\n", (int)ctx->pos);
131 goto out;
132 }
133 if (ctx->pos == 0) {
134 if (!dir_emit_dot(file, ctx))
135 goto out;
136 ctx->pos = 11;
137 }
138 if (ctx->pos == 11) {
139 if (!dir_emit(ctx, "..", 2, hpfs_inode->i_parent_dir, DT_DIR))
140 goto out;
141 ctx->pos = 1;
142 }
143 if (ctx->pos == 1) {
144 ctx->pos = ((loff_t) hpfs_de_as_down_as_possible(inode->i_sb, hpfs_inode->i_dno) << 4) + 1;
145 hpfs_add_pos(inode, &file->f_pos);
146 file->f_version = inode->i_version;
147 }
148 next_pos = ctx->pos;
149 if (!(de = map_pos_dirent(inode, &next_pos, &qbh))) {
150 ctx->pos = next_pos;
151 ret = -EIOERROR;
152 goto out;
153 }
154 if (de->first || de->last) {
155 if (hpfs_sb(inode->i_sb)->sb_chk) {
156 if (de->first && !de->last && (de->namelen != 2
157 || de ->name[0] != 1 || de->name[1] != 1))
158 hpfs_error(inode->i_sb, "hpfs_readdir: bad ^A^A entry; pos = %08lx", (unsigned long)ctx->pos);
159 if (de->last && (de->namelen != 1 || de ->name[0] != 255))
160 hpfs_error(inode->i_sb, "hpfs_readdir: bad \\377 entry; pos = %08lx", (unsigned long)ctx->pos);
161 }
162 hpfs_brelse4(&qbh);
163 ctx->pos = next_pos;
164 goto again;
165 }
166 tempname = hpfs_translate_name(inode->i_sb, de->name, de->namelen, lc, de->not_8x3);
167 if (!dir_emit(ctx, tempname, de->namelen, le32_to_cpu(de->fnode), DT_UNKNOWN)) {
168 if (tempname != de->name) kfree(tempname);
169 hpfs_brelse4(&qbh);
170 goto out;
171 }
172 ctx->pos = next_pos;
173 if (tempname != de->name) kfree(tempname);
174 hpfs_brelse4(&qbh);
175 }
176out:
177 hpfs_unlock(inode->i_sb);
178 return ret;
179}
180
181/*
182 * lookup. Search the specified directory for the specified name, set
183 * *result to the corresponding inode.
184 *
185 * lookup uses the inode number to tell read_inode whether it is reading
186 * the inode of a directory or a file -- file ino's are odd, directory
187 * ino's are even. read_inode avoids i/o for file inodes; everything
188 * needed is up here in the directory. (And file fnodes are out in
189 * the boondocks.)
190 *
191 * - M.P.: this is over, sometimes we've got to read file's fnode for eas
192 * inode numbers are just fnode sector numbers; iget lock is used
193 * to tell read_inode to read fnode or not.
194 */
195
196struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
197{
198 const unsigned char *name = dentry->d_name.name;
199 unsigned len = dentry->d_name.len;
200 struct quad_buffer_head qbh;
201 struct hpfs_dirent *de;
202 ino_t ino;
203 int err;
204 struct inode *result = NULL;
205 struct hpfs_inode_info *hpfs_result;
206
207 hpfs_lock(dir->i_sb);
208 if ((err = hpfs_chk_name(name, &len))) {
209 if (err == -ENAMETOOLONG) {
210 hpfs_unlock(dir->i_sb);
211 return ERR_PTR(-ENAMETOOLONG);
212 }
213 goto end_add;
214 }
215
216 /*
217 * '.' and '..' will never be passed here.
218 */
219
220 de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, NULL, &qbh);
221
222 /*
223 * This is not really a bailout, just means file not found.
224 */
225
226 if (!de) goto end;
227
228 /*
229 * Get inode number, what we're after.
230 */
231
232 ino = le32_to_cpu(de->fnode);
233
234 /*
235 * Go find or make an inode.
236 */
237
238 result = iget_locked(dir->i_sb, ino);
239 if (!result) {
240 hpfs_error(dir->i_sb, "hpfs_lookup: can't get inode");
241 goto bail1;
242 }
243 if (result->i_state & I_NEW) {
244 hpfs_init_inode(result);
245 if (de->directory)
246 hpfs_read_inode(result);
247 else if (le32_to_cpu(de->ea_size) && hpfs_sb(dir->i_sb)->sb_eas)
248 hpfs_read_inode(result);
249 else {
250 result->i_mode |= S_IFREG;
251 result->i_mode &= ~0111;
252 result->i_op = &hpfs_file_iops;
253 result->i_fop = &hpfs_file_ops;
254 set_nlink(result, 1);
255 }
256 unlock_new_inode(result);
257 }
258 hpfs_result = hpfs_i(result);
259 if (!de->directory) hpfs_result->i_parent_dir = dir->i_ino;
260
261 if (de->has_acl || de->has_xtd_perm) if (!(dir->i_sb->s_flags & MS_RDONLY)) {
262 hpfs_error(result->i_sb, "ACLs or XPERM found. This is probably HPFS386. This driver doesn't support it now. Send me some info on these structures");
263 goto bail1;
264 }
265
266 /*
267 * Fill in the info from the directory if this is a newly created
268 * inode.
269 */
270
271 if (!result->i_ctime.tv_sec) {
272 if (!(result->i_ctime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->creation_date))))
273 result->i_ctime.tv_sec = 1;
274 result->i_ctime.tv_nsec = 0;
275 result->i_mtime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->write_date));
276 result->i_mtime.tv_nsec = 0;
277 result->i_atime.tv_sec = local_to_gmt(dir->i_sb, le32_to_cpu(de->read_date));
278 result->i_atime.tv_nsec = 0;
279 hpfs_result->i_ea_size = le32_to_cpu(de->ea_size);
280 if (!hpfs_result->i_ea_mode && de->read_only)
281 result->i_mode &= ~0222;
282 if (!de->directory) {
283 if (result->i_size == -1) {
284 result->i_size = le32_to_cpu(de->file_size);
285 result->i_data.a_ops = &hpfs_aops;
286 hpfs_i(result)->mmu_private = result->i_size;
287 /*
288 * i_blocks should count the fnode and any anodes.
289 * We count 1 for the fnode and don't bother about
290 * anodes -- the disk heads are on the directory band
291 * and we want them to stay there.
292 */
293 result->i_blocks = 1 + ((result->i_size + 511) >> 9);
294 }
295 }
296 }
297
298 hpfs_brelse4(&qbh);
299
300 /*
301 * Made it.
302 */
303
304 end:
305 end_add:
306 hpfs_unlock(dir->i_sb);
307 d_add(dentry, result);
308 return NULL;
309
310 /*
311 * Didn't.
312 */
313 bail1:
314
315 hpfs_brelse4(&qbh);
316
317 /*bail:*/
318
319 hpfs_unlock(dir->i_sb);
320 return ERR_PTR(-ENOENT);
321}
322
323const struct file_operations hpfs_dir_ops =
324{
325 .llseek = hpfs_dir_lseek,
326 .read = generic_read_dir,
327 .iterate = hpfs_readdir,
328 .release = hpfs_dir_release,
329 .fsync = hpfs_file_fsync,
330 .unlocked_ioctl = hpfs_ioctl,
331};
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * linux/fs/hpfs/dir.c
4 *
5 * Mikulas Patocka (mikulas@artax.karlin.mff.cuni.cz), 1998-1999
6 *
7 * directory VFS functions
8 */
9
10#include <linux/slab.h>
11#include "hpfs_fn.h"
12
13static int hpfs_dir_release(struct inode *inode, struct file *filp)
14{
15 hpfs_lock(inode->i_sb);
16 hpfs_del_pos(inode, &filp->f_pos);
17 /*hpfs_write_if_changed(inode);*/
18 hpfs_unlock(inode->i_sb);
19 return 0;
20}
21
22/* This is slow, but it's not used often */
23
24static loff_t hpfs_dir_lseek(struct file *filp, loff_t off, int whence)
25{
26 loff_t new_off = off + (whence == 1 ? filp->f_pos : 0);
27 loff_t pos;
28 struct quad_buffer_head qbh;
29 struct inode *i = file_inode(filp);
30 struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
31 struct super_block *s = i->i_sb;
32
33 /* Somebody else will have to figure out what to do here */
34 if (whence == SEEK_DATA || whence == SEEK_HOLE)
35 return -EINVAL;
36
37 inode_lock(i);
38 hpfs_lock(s);
39
40 /*pr_info("dir lseek\n");*/
41 if (new_off == 0 || new_off == 1 || new_off == 11 || new_off == 12 || new_off == 13) goto ok;
42 pos = ((loff_t) hpfs_de_as_down_as_possible(s, hpfs_inode->i_dno) << 4) + 1;
43 while (pos != new_off) {
44 if (map_pos_dirent(i, &pos, &qbh)) hpfs_brelse4(&qbh);
45 else goto fail;
46 if (pos == 12) goto fail;
47 }
48 if (unlikely(hpfs_add_pos(i, &filp->f_pos) < 0)) {
49 hpfs_unlock(s);
50 inode_unlock(i);
51 return -ENOMEM;
52 }
53ok:
54 filp->f_pos = new_off;
55 hpfs_unlock(s);
56 inode_unlock(i);
57 return new_off;
58fail:
59 /*pr_warn("illegal lseek: %016llx\n", new_off);*/
60 hpfs_unlock(s);
61 inode_unlock(i);
62 return -ESPIPE;
63}
64
65static int hpfs_readdir(struct file *file, struct dir_context *ctx)
66{
67 struct inode *inode = file_inode(file);
68 struct hpfs_inode_info *hpfs_inode = hpfs_i(inode);
69 struct quad_buffer_head qbh;
70 struct hpfs_dirent *de;
71 int lc;
72 loff_t next_pos;
73 unsigned char *tempname;
74 int c1, c2 = 0;
75 int ret = 0;
76
77 hpfs_lock(inode->i_sb);
78
79 if (hpfs_sb(inode->i_sb)->sb_chk) {
80 if (hpfs_chk_sectors(inode->i_sb, inode->i_ino, 1, "dir_fnode")) {
81 ret = -EFSERROR;
82 goto out;
83 }
84 if (hpfs_chk_sectors(inode->i_sb, hpfs_inode->i_dno, 4, "dir_dnode")) {
85 ret = -EFSERROR;
86 goto out;
87 }
88 }
89 if (hpfs_sb(inode->i_sb)->sb_chk >= 2) {
90 struct buffer_head *bh;
91 struct fnode *fno;
92 int e = 0;
93 if (!(fno = hpfs_map_fnode(inode->i_sb, inode->i_ino, &bh))) {
94 ret = -EIOERROR;
95 goto out;
96 }
97 if (!fnode_is_dir(fno)) {
98 e = 1;
99 hpfs_error(inode->i_sb, "not a directory, fnode %08lx",
100 (unsigned long)inode->i_ino);
101 }
102 if (hpfs_inode->i_dno != le32_to_cpu(fno->u.external[0].disk_secno)) {
103 e = 1;
104 hpfs_error(inode->i_sb, "corrupted inode: i_dno == %08x, fnode -> dnode == %08x", hpfs_inode->i_dno, le32_to_cpu(fno->u.external[0].disk_secno));
105 }
106 brelse(bh);
107 if (e) {
108 ret = -EFSERROR;
109 goto out;
110 }
111 }
112 lc = hpfs_sb(inode->i_sb)->sb_lowercase;
113 if (ctx->pos == 12) { /* diff -r requires this (note, that diff -r */
114 ctx->pos = 13; /* also fails on msdos filesystem in 2.0) */
115 goto out;
116 }
117 if (ctx->pos == 13) {
118 ret = -ENOENT;
119 goto out;
120 }
121
122 while (1) {
123 again:
124 /* This won't work when cycle is longer than number of dirents
125 accepted by filldir, but what can I do?
126 maybe killall -9 ls helps */
127 if (hpfs_sb(inode->i_sb)->sb_chk)
128 if (hpfs_stop_cycles(inode->i_sb, ctx->pos, &c1, &c2, "hpfs_readdir")) {
129 ret = -EFSERROR;
130 goto out;
131 }
132 if (ctx->pos == 12)
133 goto out;
134 if (ctx->pos == 3 || ctx->pos == 4 || ctx->pos == 5) {
135 pr_err("pos==%d\n", (int)ctx->pos);
136 goto out;
137 }
138 if (ctx->pos == 0) {
139 if (!dir_emit_dot(file, ctx))
140 goto out;
141 ctx->pos = 11;
142 }
143 if (ctx->pos == 11) {
144 if (!dir_emit(ctx, "..", 2, hpfs_inode->i_parent_dir, DT_DIR))
145 goto out;
146 ctx->pos = 1;
147 }
148 if (ctx->pos == 1) {
149 ret = hpfs_add_pos(inode, &file->f_pos);
150 if (unlikely(ret < 0))
151 goto out;
152 ctx->pos = ((loff_t) hpfs_de_as_down_as_possible(inode->i_sb, hpfs_inode->i_dno) << 4) + 1;
153 }
154 next_pos = ctx->pos;
155 if (!(de = map_pos_dirent(inode, &next_pos, &qbh))) {
156 ctx->pos = next_pos;
157 ret = -EIOERROR;
158 goto out;
159 }
160 if (de->first || de->last) {
161 if (hpfs_sb(inode->i_sb)->sb_chk) {
162 if (de->first && !de->last && (de->namelen != 2
163 || de ->name[0] != 1 || de->name[1] != 1))
164 hpfs_error(inode->i_sb, "hpfs_readdir: bad ^A^A entry; pos = %08lx", (unsigned long)ctx->pos);
165 if (de->last && (de->namelen != 1 || de ->name[0] != 255))
166 hpfs_error(inode->i_sb, "hpfs_readdir: bad \\377 entry; pos = %08lx", (unsigned long)ctx->pos);
167 }
168 hpfs_brelse4(&qbh);
169 ctx->pos = next_pos;
170 goto again;
171 }
172 tempname = hpfs_translate_name(inode->i_sb, de->name, de->namelen, lc, de->not_8x3);
173 if (!dir_emit(ctx, tempname, de->namelen, le32_to_cpu(de->fnode), DT_UNKNOWN)) {
174 if (tempname != de->name) kfree(tempname);
175 hpfs_brelse4(&qbh);
176 goto out;
177 }
178 ctx->pos = next_pos;
179 if (tempname != de->name) kfree(tempname);
180 hpfs_brelse4(&qbh);
181 }
182out:
183 hpfs_unlock(inode->i_sb);
184 return ret;
185}
186
187/*
188 * lookup. Search the specified directory for the specified name, set
189 * *result to the corresponding inode.
190 *
191 * lookup uses the inode number to tell read_inode whether it is reading
192 * the inode of a directory or a file -- file ino's are odd, directory
193 * ino's are even. read_inode avoids i/o for file inodes; everything
194 * needed is up here in the directory. (And file fnodes are out in
195 * the boondocks.)
196 *
197 * - M.P.: this is over, sometimes we've got to read file's fnode for eas
198 * inode numbers are just fnode sector numbers; iget lock is used
199 * to tell read_inode to read fnode or not.
200 */
201
202struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
203{
204 const unsigned char *name = dentry->d_name.name;
205 unsigned len = dentry->d_name.len;
206 struct quad_buffer_head qbh;
207 struct hpfs_dirent *de;
208 ino_t ino;
209 int err;
210 struct inode *result = NULL;
211 struct hpfs_inode_info *hpfs_result;
212
213 hpfs_lock(dir->i_sb);
214 if ((err = hpfs_chk_name(name, &len))) {
215 if (err == -ENAMETOOLONG) {
216 hpfs_unlock(dir->i_sb);
217 return ERR_PTR(-ENAMETOOLONG);
218 }
219 goto end_add;
220 }
221
222 /*
223 * '.' and '..' will never be passed here.
224 */
225
226 de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, NULL, &qbh);
227
228 /*
229 * This is not really a bailout, just means file not found.
230 */
231
232 if (!de) goto end;
233
234 /*
235 * Get inode number, what we're after.
236 */
237
238 ino = le32_to_cpu(de->fnode);
239
240 /*
241 * Go find or make an inode.
242 */
243
244 result = iget_locked(dir->i_sb, ino);
245 if (!result) {
246 hpfs_error(dir->i_sb, "hpfs_lookup: can't get inode");
247 result = ERR_PTR(-ENOMEM);
248 goto bail1;
249 }
250 if (result->i_state & I_NEW) {
251 hpfs_init_inode(result);
252 if (de->directory)
253 hpfs_read_inode(result);
254 else if (le32_to_cpu(de->ea_size) && hpfs_sb(dir->i_sb)->sb_eas)
255 hpfs_read_inode(result);
256 else {
257 result->i_mode |= S_IFREG;
258 result->i_mode &= ~0111;
259 result->i_op = &hpfs_file_iops;
260 result->i_fop = &hpfs_file_ops;
261 set_nlink(result, 1);
262 }
263 unlock_new_inode(result);
264 }
265 hpfs_result = hpfs_i(result);
266 if (!de->directory) hpfs_result->i_parent_dir = dir->i_ino;
267
268 if (de->has_acl || de->has_xtd_perm) if (!sb_rdonly(dir->i_sb)) {
269 hpfs_error(result->i_sb, "ACLs or XPERM found. This is probably HPFS386. This driver doesn't support it now. Send me some info on these structures");
270 iput(result);
271 result = ERR_PTR(-EINVAL);
272 goto bail1;
273 }
274
275 /*
276 * Fill in the info from the directory if this is a newly created
277 * inode.
278 */
279
280 if (!inode_get_ctime_sec(result)) {
281 time64_t csec = local_to_gmt(dir->i_sb, le32_to_cpu(de->creation_date));
282
283 inode_set_ctime(result, csec ? csec : 1, 0);
284 inode_set_mtime(result,
285 local_to_gmt(dir->i_sb, le32_to_cpu(de->write_date)),
286 0);
287 inode_set_atime(result,
288 local_to_gmt(dir->i_sb, le32_to_cpu(de->read_date)),
289 0);
290 hpfs_result->i_ea_size = le32_to_cpu(de->ea_size);
291 if (!hpfs_result->i_ea_mode && de->read_only)
292 result->i_mode &= ~0222;
293 if (!de->directory) {
294 if (result->i_size == -1) {
295 result->i_size = le32_to_cpu(de->file_size);
296 result->i_data.a_ops = &hpfs_aops;
297 hpfs_i(result)->mmu_private = result->i_size;
298 /*
299 * i_blocks should count the fnode and any anodes.
300 * We count 1 for the fnode and don't bother about
301 * anodes -- the disk heads are on the directory band
302 * and we want them to stay there.
303 */
304 result->i_blocks = 1 + ((result->i_size + 511) >> 9);
305 }
306 }
307 }
308
309bail1:
310 hpfs_brelse4(&qbh);
311
312 /*
313 * Made it.
314 */
315
316end:
317end_add:
318 hpfs_unlock(dir->i_sb);
319 return d_splice_alias(result, dentry);
320}
321
322const struct file_operations hpfs_dir_ops =
323{
324 .llseek = hpfs_dir_lseek,
325 .read = generic_read_dir,
326 .iterate_shared = hpfs_readdir,
327 .release = hpfs_dir_release,
328 .fsync = hpfs_file_fsync,
329 .unlocked_ioctl = hpfs_ioctl,
330 .compat_ioctl = compat_ptr_ioctl,
331};