Lines Matching refs:stat
3 * linux/fs/stat.c
30 * @stat: Where to fill in the attributes
36 void generic_fillattr(struct inode *inode, struct kstat *stat)
38 stat->dev = inode->i_sb->s_dev;
39 stat->ino = inode->i_ino;
40 stat->mode = inode->i_mode;
41 stat->nlink = inode->i_nlink;
42 stat->uid = inode->i_uid;
43 stat->gid = inode->i_gid;
44 stat->rdev = inode->i_rdev;
45 stat->size = i_size_read(inode);
46 stat->atime = inode->i_atime;
47 stat->mtime = inode->i_mtime;
48 stat->ctime = inode->i_ctime;
49 stat->blksize = i_blocksize(inode);
50 stat->blocks = inode->i_blocks;
57 * @stat: structure to return attributes in
67 int vfs_getattr_nosec(const struct path *path, struct kstat *stat,
72 memset(stat, 0, sizeof(*stat));
73 stat->result_mask |= STATX_BASIC_STATS;
79 stat->result_mask &= ~STATX_ATIME;
86 stat->attributes |= STATX_ATTR_AUTOMOUNT;
89 stat->attributes |= STATX_ATTR_DAX;
91 stat->attributes_mask |= (STATX_ATTR_AUTOMOUNT |
95 return inode->i_op->getattr(path, stat, request_mask,
98 generic_fillattr(inode, stat);
106 * @stat: Where to return the statistics
124 int vfs_getattr(const struct path *path, struct kstat *stat,
132 return vfs_getattr_nosec(path, stat, request_mask, query_flags);
139 * @stat: The result structure to fill in.
146 int vfs_fstat(int fd, struct kstat *stat)
154 error = vfs_getattr(&f.file->f_path, stat, STATX_BASIC_STATS, 0);
164 * @stat: The result structure to fill in.
175 struct kstat *stat, u32 request_mask)
197 error = vfs_getattr(&path, stat, request_mask, flags);
198 stat->mnt_id = real_mount(path.mnt)->mnt_id;
199 stat->result_mask |= STATX_MNT_ID;
201 stat->attributes |= STATX_ATTR_MOUNT_ROOT;
202 stat->attributes_mask |= STATX_ATTR_MOUNT_ROOT;
213 struct kstat *stat, int flags)
216 stat, STATX_BASIC_STATS);
225 static int cp_old_stat(struct kstat *stat, struct __old_kernel_stat __user * statbuf)
232 printk(KERN_WARNING "VFS: Warning: %s using old stat() call. Recompile your binary.\n",
240 tmp.st_dev = old_encode_dev(stat->dev);
241 tmp.st_ino = stat->ino;
242 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
244 tmp.st_mode = stat->mode;
245 tmp.st_nlink = stat->nlink;
246 if (tmp.st_nlink != stat->nlink)
248 SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
249 SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
250 tmp.st_rdev = old_encode_dev(stat->rdev);
252 if (stat->size > MAX_NON_LFS)
255 tmp.st_size = stat->size;
256 tmp.st_atime = stat->atime.tv_sec;
257 tmp.st_mtime = stat->mtime.tv_sec;
258 tmp.st_ctime = stat->ctime.tv_sec;
262 SYSCALL_DEFINE2(stat, const char __user *, filename,
265 struct kstat stat;
268 error = vfs_stat(filename, &stat);
272 return cp_old_stat(&stat, statbuf);
278 struct kstat stat;
281 error = vfs_lstat(filename, &stat);
285 return cp_old_stat(&stat, statbuf);
290 struct kstat stat;
291 int error = vfs_fstat(fd, &stat);
294 error = cp_old_stat(&stat, statbuf);
313 static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
315 struct stat tmp;
317 if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
319 if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
322 if (stat->size > MAX_NON_LFS)
327 tmp.st_dev = new_encode_dev(stat->dev);
328 tmp.st_ino = stat->ino;
329 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
331 tmp.st_mode = stat->mode;
332 tmp.st_nlink = stat->nlink;
333 if (tmp.st_nlink != stat->nlink)
335 SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
336 SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
337 tmp.st_rdev = new_encode_dev(stat->rdev);
338 tmp.st_size = stat->size;
339 tmp.st_atime = stat->atime.tv_sec;
340 tmp.st_mtime = stat->mtime.tv_sec;
341 tmp.st_ctime = stat->ctime.tv_sec;
343 tmp.st_atime_nsec = stat->atime.tv_nsec;
344 tmp.st_mtime_nsec = stat->mtime.tv_nsec;
345 tmp.st_ctime_nsec = stat->ctime.tv_nsec;
347 tmp.st_blocks = stat->blocks;
348 tmp.st_blksize = stat->blksize;
353 struct stat __user *, statbuf)
355 struct kstat stat;
356 int error = vfs_stat(filename, &stat);
360 return cp_new_stat(&stat, statbuf);
364 struct stat __user *, statbuf)
366 struct kstat stat;
369 error = vfs_lstat(filename, &stat);
373 return cp_new_stat(&stat, statbuf);
378 struct stat __user *, statbuf, int, flag)
380 struct kstat stat;
383 error = vfs_fstatat(dfd, filename, &stat, flag);
386 return cp_new_stat(&stat, statbuf);
390 SYSCALL_DEFINE2(newfstat, unsigned int, fd, struct stat __user *, statbuf)
392 struct kstat stat;
393 int error = vfs_fstat(fd, &stat);
396 error = cp_new_stat(&stat, statbuf);
458 static long cp_new_stat64(struct kstat *stat, struct stat64 __user *statbuf)
465 tmp.st_dev = new_encode_dev(stat->dev);
466 tmp.st_rdev = new_encode_dev(stat->rdev);
468 tmp.st_dev = huge_encode_dev(stat->dev);
469 tmp.st_rdev = huge_encode_dev(stat->rdev);
471 tmp.st_ino = stat->ino;
472 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
475 tmp.__st_ino = stat->ino;
477 tmp.st_mode = stat->mode;
478 tmp.st_nlink = stat->nlink;
479 tmp.st_uid = from_kuid_munged(current_user_ns(), stat->uid);
480 tmp.st_gid = from_kgid_munged(current_user_ns(), stat->gid);
481 tmp.st_atime = stat->atime.tv_sec;
482 tmp.st_atime_nsec = stat->atime.tv_nsec;
483 tmp.st_mtime = stat->mtime.tv_sec;
484 tmp.st_mtime_nsec = stat->mtime.tv_nsec;
485 tmp.st_ctime = stat->ctime.tv_sec;
486 tmp.st_ctime_nsec = stat->ctime.tv_nsec;
487 tmp.st_size = stat->size;
488 tmp.st_blocks = stat->blocks;
489 tmp.st_blksize = stat->blksize;
496 struct kstat stat;
497 int error = vfs_stat(filename, &stat);
500 error = cp_new_stat64(&stat, statbuf);
508 struct kstat stat;
509 int error = vfs_lstat(filename, &stat);
512 error = cp_new_stat64(&stat, statbuf);
519 struct kstat stat;
520 int error = vfs_fstat(fd, &stat);
523 error = cp_new_stat64(&stat, statbuf);
531 struct kstat stat;
534 error = vfs_fstatat(dfd, filename, &stat, flag);
537 return cp_new_stat64(&stat, statbuf);
542 cp_statx(const struct kstat *stat, struct statx __user *buffer)
548 tmp.stx_mask = stat->result_mask;
549 tmp.stx_blksize = stat->blksize;
550 tmp.stx_attributes = stat->attributes;
551 tmp.stx_nlink = stat->nlink;
552 tmp.stx_uid = from_kuid_munged(current_user_ns(), stat->uid);
553 tmp.stx_gid = from_kgid_munged(current_user_ns(), stat->gid);
554 tmp.stx_mode = stat->mode;
555 tmp.stx_ino = stat->ino;
556 tmp.stx_size = stat->size;
557 tmp.stx_blocks = stat->blocks;
558 tmp.stx_attributes_mask = stat->attributes_mask;
559 tmp.stx_atime.tv_sec = stat->atime.tv_sec;
560 tmp.stx_atime.tv_nsec = stat->atime.tv_nsec;
561 tmp.stx_btime.tv_sec = stat->btime.tv_sec;
562 tmp.stx_btime.tv_nsec = stat->btime.tv_nsec;
563 tmp.stx_ctime.tv_sec = stat->ctime.tv_sec;
564 tmp.stx_ctime.tv_nsec = stat->ctime.tv_nsec;
565 tmp.stx_mtime.tv_sec = stat->mtime.tv_sec;
566 tmp.stx_mtime.tv_nsec = stat->mtime.tv_nsec;
567 tmp.stx_rdev_major = MAJOR(stat->rdev);
568 tmp.stx_rdev_minor = MINOR(stat->rdev);
569 tmp.stx_dev_major = MAJOR(stat->dev);
570 tmp.stx_dev_minor = MINOR(stat->dev);
571 tmp.stx_mnt_id = stat->mnt_id;
579 struct kstat stat;
587 error = vfs_statx(dfd, filename, flags, &stat, mask);
591 return cp_statx(&stat, buffer);
596 * @dfd: Base directory to pathwalk from *or* fd to stat.
597 * @filename: File to stat or "" with AT_EMPTY_PATH
614 static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
618 if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
620 if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
624 tmp.st_dev = new_encode_dev(stat->dev);
625 tmp.st_ino = stat->ino;
626 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
628 tmp.st_mode = stat->mode;
629 tmp.st_nlink = stat->nlink;
630 if (tmp.st_nlink != stat->nlink)
632 SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
633 SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
634 tmp.st_rdev = new_encode_dev(stat->rdev);
635 if ((u64) stat->size > MAX_NON_LFS)
637 tmp.st_size = stat->size;
638 tmp.st_atime = stat->atime.tv_sec;
639 tmp.st_atime_nsec = stat->atime.tv_nsec;
640 tmp.st_mtime = stat->mtime.tv_sec;
641 tmp.st_mtime_nsec = stat->mtime.tv_nsec;
642 tmp.st_ctime = stat->ctime.tv_sec;
643 tmp.st_ctime_nsec = stat->ctime.tv_nsec;
644 tmp.st_blocks = stat->blocks;
645 tmp.st_blksize = stat->blksize;
652 struct kstat stat;
655 error = vfs_stat(filename, &stat);
658 return cp_compat_stat(&stat, statbuf);
664 struct kstat stat;
667 error = vfs_lstat(filename, &stat);
670 return cp_compat_stat(&stat, statbuf);
678 struct kstat stat;
681 error = vfs_fstatat(dfd, filename, &stat, flag);
684 return cp_compat_stat(&stat, statbuf);
691 struct kstat stat;
692 int error = vfs_fstat(fd, &stat);
695 error = cp_compat_stat(&stat, statbuf);