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-rw-r--r--arch/alpha/kernel/osf_sys.c163
-rw-r--r--arch/alpha/kernel/systbls.S10
2 files changed, 168 insertions, 5 deletions
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 9a81044a8947..98a103621af6 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -191,6 +191,39 @@ SYSCALL_DEFINE6(osf_mmap, unsigned long, addr, unsigned long, len,
191 return ret; 191 return ret;
192} 192}
193 193
194struct osf_stat {
195 int st_dev;
196 int st_pad1;
197 unsigned st_mode;
198 unsigned short st_nlink;
199 short st_nlink_reserved;
200 unsigned st_uid;
201 unsigned st_gid;
202 int st_rdev;
203 int st_ldev;
204 long st_size;
205 int st_pad2;
206 int st_uatime;
207 int st_pad3;
208 int st_umtime;
209 int st_pad4;
210 int st_uctime;
211 int st_pad5;
212 int st_pad6;
213 unsigned st_flags;
214 unsigned st_gen;
215 long st_spare[4];
216 unsigned st_ino;
217 int st_ino_reserved;
218 int st_atime;
219 int st_atime_reserved;
220 int st_mtime;
221 int st_mtime_reserved;
222 int st_ctime;
223 int st_ctime_reserved;
224 long st_blksize;
225 long st_blocks;
226};
194 227
195/* 228/*
196 * The OSF/1 statfs structure is much larger, but this should 229 * The OSF/1 statfs structure is much larger, but this should
@@ -209,6 +242,60 @@ struct osf_statfs {
209 __kernel_fsid_t f_fsid; 242 __kernel_fsid_t f_fsid;
210}; 243};
211 244
245struct osf_statfs64 {
246 short f_type;
247 short f_flags;
248 int f_pad1;
249 int f_pad2;
250 int f_pad3;
251 int f_pad4;
252 int f_pad5;
253 int f_pad6;
254 int f_pad7;
255 __kernel_fsid_t f_fsid;
256 u_short f_namemax;
257 short f_reserved1;
258 int f_spare[8];
259 char f_pad8[90];
260 char f_pad9[90];
261 long mount_info[10];
262 u_long f_flags2;
263 long f_spare2[14];
264 long f_fsize;
265 long f_bsize;
266 long f_blocks;
267 long f_bfree;
268 long f_bavail;
269 long f_files;
270 long f_ffree;
271};
272
273static int
274linux_to_osf_stat(struct kstat *lstat, struct osf_stat __user *osf_stat)
275{
276 struct osf_stat tmp = { 0 };
277
278 tmp.st_dev = lstat->dev;
279 tmp.st_mode = lstat->mode;
280 tmp.st_nlink = lstat->nlink;
281 tmp.st_uid = lstat->uid;
282 tmp.st_gid = lstat->gid;
283 tmp.st_rdev = lstat->rdev;
284 tmp.st_ldev = lstat->rdev;
285 tmp.st_size = lstat->size;
286 tmp.st_uatime = lstat->atime.tv_nsec / 1000;
287 tmp.st_umtime = lstat->mtime.tv_nsec / 1000;
288 tmp.st_uctime = lstat->ctime.tv_nsec / 1000;
289 tmp.st_ino = lstat->ino;
290 tmp.st_atime = lstat->atime.tv_sec;
291 tmp.st_mtime = lstat->mtime.tv_sec;
292 tmp.st_ctime = lstat->ctime.tv_sec;
293 tmp.st_blksize = lstat->blksize;
294 tmp.st_blocks = lstat->blocks;
295
296 return copy_to_user(osf_stat, &tmp, sizeof(tmp)) ? -EFAULT : 0;
297}
298
212static int 299static int
213linux_to_osf_statfs(struct kstatfs *linux_stat, struct osf_statfs __user *osf_stat, 300linux_to_osf_statfs(struct kstatfs *linux_stat, struct osf_statfs __user *osf_stat,
214 unsigned long bufsiz) 301 unsigned long bufsiz)
@@ -230,6 +317,26 @@ linux_to_osf_statfs(struct kstatfs *linux_stat, struct osf_statfs __user *osf_st
230 return copy_to_user(osf_stat, &tmp_stat, bufsiz) ? -EFAULT : 0; 317 return copy_to_user(osf_stat, &tmp_stat, bufsiz) ? -EFAULT : 0;
231} 318}
232 319
320static int
321linux_to_osf_statfs64(struct kstatfs *linux_stat, struct osf_statfs64 __user *osf_stat,
322 unsigned long bufsiz)
323{
324 struct osf_statfs64 tmp_stat = { 0 };
325
326 tmp_stat.f_type = linux_stat->f_type;
327 tmp_stat.f_fsize = linux_stat->f_frsize;
328 tmp_stat.f_bsize = linux_stat->f_bsize;
329 tmp_stat.f_blocks = linux_stat->f_blocks;
330 tmp_stat.f_bfree = linux_stat->f_bfree;
331 tmp_stat.f_bavail = linux_stat->f_bavail;
332 tmp_stat.f_files = linux_stat->f_files;
333 tmp_stat.f_ffree = linux_stat->f_ffree;
334 tmp_stat.f_fsid = linux_stat->f_fsid;
335 if (bufsiz > sizeof(tmp_stat))
336 bufsiz = sizeof(tmp_stat);
337 return copy_to_user(osf_stat, &tmp_stat, bufsiz) ? -EFAULT : 0;
338}
339
233SYSCALL_DEFINE3(osf_statfs, const char __user *, pathname, 340SYSCALL_DEFINE3(osf_statfs, const char __user *, pathname,
234 struct osf_statfs __user *, buffer, unsigned long, bufsiz) 341 struct osf_statfs __user *, buffer, unsigned long, bufsiz)
235{ 342{
@@ -240,6 +347,42 @@ SYSCALL_DEFINE3(osf_statfs, const char __user *, pathname,
240 return error; 347 return error;
241} 348}
242 349
350SYSCALL_DEFINE2(osf_stat, char __user *, name, struct osf_stat __user *, buf)
351{
352 struct kstat stat;
353 int error;
354
355 error = vfs_stat(name, &stat);
356 if (error)
357 return error;
358
359 return linux_to_osf_stat(&stat, buf);
360}
361
362SYSCALL_DEFINE2(osf_lstat, char __user *, name, struct osf_stat __user *, buf)
363{
364 struct kstat stat;
365 int error;
366
367 error = vfs_lstat(name, &stat);
368 if (error)
369 return error;
370
371 return linux_to_osf_stat(&stat, buf);
372}
373
374SYSCALL_DEFINE2(osf_fstat, int, fd, struct osf_stat __user *, buf)
375{
376 struct kstat stat;
377 int error;
378
379 error = vfs_fstat(fd, &stat);
380 if (error)
381 return error;
382
383 return linux_to_osf_stat(&stat, buf);
384}
385
243SYSCALL_DEFINE3(osf_fstatfs, unsigned long, fd, 386SYSCALL_DEFINE3(osf_fstatfs, unsigned long, fd,
244 struct osf_statfs __user *, buffer, unsigned long, bufsiz) 387 struct osf_statfs __user *, buffer, unsigned long, bufsiz)
245{ 388{
@@ -250,6 +393,26 @@ SYSCALL_DEFINE3(osf_fstatfs, unsigned long, fd,
250 return error; 393 return error;
251} 394}
252 395
396SYSCALL_DEFINE3(osf_statfs64, char __user *, pathname,
397 struct osf_statfs64 __user *, buffer, unsigned long, bufsiz)
398{
399 struct kstatfs linux_stat;
400 int error = user_statfs(pathname, &linux_stat);
401 if (!error)
402 error = linux_to_osf_statfs64(&linux_stat, buffer, bufsiz);
403 return error;
404}
405
406SYSCALL_DEFINE3(osf_fstatfs64, unsigned long, fd,
407 struct osf_statfs64 __user *, buffer, unsigned long, bufsiz)
408{
409 struct kstatfs linux_stat;
410 int error = fd_statfs(fd, &linux_stat);
411 if (!error)
412 error = linux_to_osf_statfs64(&linux_stat, buffer, bufsiz);
413 return error;
414}
415
253/* 416/*
254 * Uhh.. OSF/1 mount parameters aren't exactly obvious.. 417 * Uhh.. OSF/1 mount parameters aren't exactly obvious..
255 * 418 *
diff --git a/arch/alpha/kernel/systbls.S b/arch/alpha/kernel/systbls.S
index e534e1c5bc11..87835235f114 100644
--- a/arch/alpha/kernel/systbls.S
+++ b/arch/alpha/kernel/systbls.S
@@ -241,11 +241,11 @@ sys_call_table:
241 .quad alpha_ni_syscall 241 .quad alpha_ni_syscall
242 .quad alpha_ni_syscall 242 .quad alpha_ni_syscall
243 .quad alpha_ni_syscall 243 .quad alpha_ni_syscall
244 .quad alpha_ni_syscall 244 .quad sys_osf_stat
245 .quad alpha_ni_syscall /* 225 */ 245 .quad sys_osf_lstat /* 225 */
246 .quad alpha_ni_syscall 246 .quad sys_osf_fstat
247 .quad alpha_ni_syscall 247 .quad sys_osf_statfs64
248 .quad alpha_ni_syscall 248 .quad sys_osf_fstatfs64
249 .quad alpha_ni_syscall 249 .quad alpha_ni_syscall
250 .quad alpha_ni_syscall /* 230 */ 250 .quad alpha_ni_syscall /* 230 */
251 .quad alpha_ni_syscall 251 .quad alpha_ni_syscall