Lines Matching full:stat
3 * linux/fs/stat.c
30 * @stat: Where to fill in the attributes
36 void generic_fillattr(struct inode *inode, struct kstat *stat) in generic_fillattr() argument
38 stat->dev = inode->i_sb->s_dev; in generic_fillattr()
39 stat->ino = inode->i_ino; in generic_fillattr()
40 stat->mode = inode->i_mode; in generic_fillattr()
41 stat->nlink = inode->i_nlink; in generic_fillattr()
42 stat->uid = inode->i_uid; in generic_fillattr()
43 stat->gid = inode->i_gid; in generic_fillattr()
44 stat->rdev = inode->i_rdev; in generic_fillattr()
45 stat->size = i_size_read(inode); in generic_fillattr()
46 stat->atime = inode->i_atime; in generic_fillattr()
47 stat->mtime = inode->i_mtime; in generic_fillattr()
48 stat->ctime = inode->i_ctime; in generic_fillattr()
49 stat->blksize = i_blocksize(inode); in generic_fillattr()
50 stat->blocks = inode->i_blocks; in generic_fillattr()
57 * @stat: structure to return attributes in
67 int vfs_getattr_nosec(const struct path *path, struct kstat *stat, in vfs_getattr_nosec() argument
72 memset(stat, 0, sizeof(*stat)); in vfs_getattr_nosec()
73 stat->result_mask |= STATX_BASIC_STATS; in vfs_getattr_nosec()
79 stat->result_mask &= ~STATX_ATIME; in vfs_getattr_nosec()
86 stat->attributes |= STATX_ATTR_AUTOMOUNT; in vfs_getattr_nosec()
89 stat->attributes |= STATX_ATTR_DAX; in vfs_getattr_nosec()
91 stat->attributes_mask |= (STATX_ATTR_AUTOMOUNT | in vfs_getattr_nosec()
95 return inode->i_op->getattr(path, stat, request_mask, in vfs_getattr_nosec()
98 generic_fillattr(inode, stat); in vfs_getattr_nosec()
106 * @stat: Where to return the statistics
124 int vfs_getattr(const struct path *path, struct kstat *stat, in vfs_getattr() argument
132 return vfs_getattr_nosec(path, stat, request_mask, query_flags); in vfs_getattr()
139 * @stat: The result structure to fill in.
146 int vfs_fstat(int fd, struct kstat *stat) in vfs_fstat() argument
154 error = vfs_getattr(&f.file->f_path, stat, STATX_BASIC_STATS, 0); in vfs_fstat()
164 * @stat: The result structure to fill in.
175 struct kstat *stat, u32 request_mask) in vfs_statx() argument
197 error = vfs_getattr(&path, stat, request_mask, flags); in vfs_statx()
198 stat->mnt_id = real_mount(path.mnt)->mnt_id; in vfs_statx()
199 stat->result_mask |= STATX_MNT_ID; in vfs_statx()
201 stat->attributes |= STATX_ATTR_MOUNT_ROOT; in vfs_statx()
202 stat->attributes_mask |= STATX_ATTR_MOUNT_ROOT; in vfs_statx()
213 struct kstat *stat, int flags) in vfs_fstatat() argument
216 stat, STATX_BASIC_STATS); in vfs_fstatat()
225 static int cp_old_stat(struct kstat *stat, struct __old_kernel_stat __user * statbuf) in cp_old_stat() argument
232 printk(KERN_WARNING "VFS: Warning: %s using old stat() call. Recompile your binary.\n", in cp_old_stat()
240 tmp.st_dev = old_encode_dev(stat->dev); in cp_old_stat()
241 tmp.st_ino = stat->ino; in cp_old_stat()
242 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino) in cp_old_stat()
244 tmp.st_mode = stat->mode; in cp_old_stat()
245 tmp.st_nlink = stat->nlink; in cp_old_stat()
246 if (tmp.st_nlink != stat->nlink) in cp_old_stat()
248 SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid)); in cp_old_stat()
249 SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid)); in cp_old_stat()
250 tmp.st_rdev = old_encode_dev(stat->rdev); in cp_old_stat()
252 if (stat->size > MAX_NON_LFS) in cp_old_stat()
255 tmp.st_size = stat->size; in cp_old_stat()
256 tmp.st_atime = stat->atime.tv_sec; in cp_old_stat()
257 tmp.st_mtime = stat->mtime.tv_sec; in cp_old_stat()
258 tmp.st_ctime = stat->ctime.tv_sec; in cp_old_stat()
262 SYSCALL_DEFINE2(stat, const char __user *, filename, in SYSCALL_DEFINE2() argument
265 struct kstat stat; in SYSCALL_DEFINE2() local
268 error = vfs_stat(filename, &stat); in SYSCALL_DEFINE2()
272 return cp_old_stat(&stat, statbuf); in SYSCALL_DEFINE2()
278 struct kstat stat; in SYSCALL_DEFINE2() local
281 error = vfs_lstat(filename, &stat); in SYSCALL_DEFINE2()
285 return cp_old_stat(&stat, statbuf); in SYSCALL_DEFINE2()
290 struct kstat stat; in SYSCALL_DEFINE2() local
291 int error = vfs_fstat(fd, &stat); in SYSCALL_DEFINE2()
294 error = cp_old_stat(&stat, statbuf); in SYSCALL_DEFINE2()
313 static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf) in cp_new_stat() argument
315 struct stat tmp; in cp_new_stat()
317 if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev)) in cp_new_stat()
319 if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev)) in cp_new_stat()
322 if (stat->size > MAX_NON_LFS) in cp_new_stat()
327 tmp.st_dev = new_encode_dev(stat->dev); in cp_new_stat()
328 tmp.st_ino = stat->ino; in cp_new_stat()
329 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino) in cp_new_stat()
331 tmp.st_mode = stat->mode; in cp_new_stat()
332 tmp.st_nlink = stat->nlink; in cp_new_stat()
333 if (tmp.st_nlink != stat->nlink) in cp_new_stat()
335 SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid)); in cp_new_stat()
336 SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid)); in cp_new_stat()
337 tmp.st_rdev = new_encode_dev(stat->rdev); in cp_new_stat()
338 tmp.st_size = stat->size; in cp_new_stat()
339 tmp.st_atime = stat->atime.tv_sec; in cp_new_stat()
340 tmp.st_mtime = stat->mtime.tv_sec; in cp_new_stat()
341 tmp.st_ctime = stat->ctime.tv_sec; in cp_new_stat()
343 tmp.st_atime_nsec = stat->atime.tv_nsec; in cp_new_stat()
344 tmp.st_mtime_nsec = stat->mtime.tv_nsec; in cp_new_stat()
345 tmp.st_ctime_nsec = stat->ctime.tv_nsec; in cp_new_stat()
347 tmp.st_blocks = stat->blocks; in cp_new_stat()
348 tmp.st_blksize = stat->blksize; in cp_new_stat()
353 struct stat __user *, statbuf) in SYSCALL_DEFINE2()
355 struct kstat stat; in SYSCALL_DEFINE2() local
356 int error = vfs_stat(filename, &stat); in SYSCALL_DEFINE2()
360 return cp_new_stat(&stat, statbuf); in SYSCALL_DEFINE2()
364 struct stat __user *, statbuf) in SYSCALL_DEFINE2()
366 struct kstat stat; in SYSCALL_DEFINE2() local
369 error = vfs_lstat(filename, &stat); in SYSCALL_DEFINE2()
373 return cp_new_stat(&stat, statbuf); in SYSCALL_DEFINE2()
378 struct stat __user *, statbuf, int, flag) in SYSCALL_DEFINE4()
380 struct kstat stat; in SYSCALL_DEFINE4() local
383 error = vfs_fstatat(dfd, filename, &stat, flag); in SYSCALL_DEFINE4()
386 return cp_new_stat(&stat, statbuf); in SYSCALL_DEFINE4()
390 SYSCALL_DEFINE2(newfstat, unsigned int, fd, struct stat __user *, statbuf) in SYSCALL_DEFINE2()
392 struct kstat stat; in SYSCALL_DEFINE2() local
393 int error = vfs_fstat(fd, &stat); in SYSCALL_DEFINE2()
396 error = cp_new_stat(&stat, statbuf); in SYSCALL_DEFINE2()
458 static long cp_new_stat64(struct kstat *stat, struct stat64 __user *statbuf) in cp_new_stat64() argument
465 tmp.st_dev = new_encode_dev(stat->dev); in cp_new_stat64()
466 tmp.st_rdev = new_encode_dev(stat->rdev); in cp_new_stat64()
468 tmp.st_dev = huge_encode_dev(stat->dev); in cp_new_stat64()
469 tmp.st_rdev = huge_encode_dev(stat->rdev); in cp_new_stat64()
471 tmp.st_ino = stat->ino; in cp_new_stat64()
472 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino) in cp_new_stat64()
475 tmp.__st_ino = stat->ino; in cp_new_stat64()
477 tmp.st_mode = stat->mode; in cp_new_stat64()
478 tmp.st_nlink = stat->nlink; in cp_new_stat64()
479 tmp.st_uid = from_kuid_munged(current_user_ns(), stat->uid); in cp_new_stat64()
480 tmp.st_gid = from_kgid_munged(current_user_ns(), stat->gid); in cp_new_stat64()
481 tmp.st_atime = stat->atime.tv_sec; in cp_new_stat64()
482 tmp.st_atime_nsec = stat->atime.tv_nsec; in cp_new_stat64()
483 tmp.st_mtime = stat->mtime.tv_sec; in cp_new_stat64()
484 tmp.st_mtime_nsec = stat->mtime.tv_nsec; in cp_new_stat64()
485 tmp.st_ctime = stat->ctime.tv_sec; in cp_new_stat64()
486 tmp.st_ctime_nsec = stat->ctime.tv_nsec; in cp_new_stat64()
487 tmp.st_size = stat->size; in cp_new_stat64()
488 tmp.st_blocks = stat->blocks; in cp_new_stat64()
489 tmp.st_blksize = stat->blksize; in cp_new_stat64()
496 struct kstat stat; in SYSCALL_DEFINE2() local
497 int error = vfs_stat(filename, &stat); in SYSCALL_DEFINE2()
500 error = cp_new_stat64(&stat, statbuf); in SYSCALL_DEFINE2()
508 struct kstat stat; in SYSCALL_DEFINE2() local
509 int error = vfs_lstat(filename, &stat); in SYSCALL_DEFINE2()
512 error = cp_new_stat64(&stat, statbuf); in SYSCALL_DEFINE2()
519 struct kstat stat; in SYSCALL_DEFINE2() local
520 int error = vfs_fstat(fd, &stat); in SYSCALL_DEFINE2()
523 error = cp_new_stat64(&stat, statbuf); in SYSCALL_DEFINE2()
531 struct kstat stat; in SYSCALL_DEFINE4() local
534 error = vfs_fstatat(dfd, filename, &stat, flag); in SYSCALL_DEFINE4()
537 return cp_new_stat64(&stat, statbuf); in SYSCALL_DEFINE4()
542 cp_statx(const struct kstat *stat, struct statx __user *buffer) in cp_statx() argument
548 tmp.stx_mask = stat->result_mask; in cp_statx()
549 tmp.stx_blksize = stat->blksize; in cp_statx()
550 tmp.stx_attributes = stat->attributes; in cp_statx()
551 tmp.stx_nlink = stat->nlink; in cp_statx()
552 tmp.stx_uid = from_kuid_munged(current_user_ns(), stat->uid); in cp_statx()
553 tmp.stx_gid = from_kgid_munged(current_user_ns(), stat->gid); in cp_statx()
554 tmp.stx_mode = stat->mode; in cp_statx()
555 tmp.stx_ino = stat->ino; in cp_statx()
556 tmp.stx_size = stat->size; in cp_statx()
557 tmp.stx_blocks = stat->blocks; in cp_statx()
558 tmp.stx_attributes_mask = stat->attributes_mask; in cp_statx()
559 tmp.stx_atime.tv_sec = stat->atime.tv_sec; in cp_statx()
560 tmp.stx_atime.tv_nsec = stat->atime.tv_nsec; in cp_statx()
561 tmp.stx_btime.tv_sec = stat->btime.tv_sec; in cp_statx()
562 tmp.stx_btime.tv_nsec = stat->btime.tv_nsec; in cp_statx()
563 tmp.stx_ctime.tv_sec = stat->ctime.tv_sec; in cp_statx()
564 tmp.stx_ctime.tv_nsec = stat->ctime.tv_nsec; in cp_statx()
565 tmp.stx_mtime.tv_sec = stat->mtime.tv_sec; in cp_statx()
566 tmp.stx_mtime.tv_nsec = stat->mtime.tv_nsec; in cp_statx()
567 tmp.stx_rdev_major = MAJOR(stat->rdev); in cp_statx()
568 tmp.stx_rdev_minor = MINOR(stat->rdev); in cp_statx()
569 tmp.stx_dev_major = MAJOR(stat->dev); in cp_statx()
570 tmp.stx_dev_minor = MINOR(stat->dev); in cp_statx()
571 tmp.stx_mnt_id = stat->mnt_id; in cp_statx()
579 struct kstat stat; in do_statx() local
587 error = vfs_statx(dfd, filename, flags, &stat, mask); in do_statx()
591 return cp_statx(&stat, buffer); in do_statx()
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) in cp_compat_stat() argument
618 if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev)) in cp_compat_stat()
620 if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev)) in cp_compat_stat()
624 tmp.st_dev = new_encode_dev(stat->dev); in cp_compat_stat()
625 tmp.st_ino = stat->ino; in cp_compat_stat()
626 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino) in cp_compat_stat()
628 tmp.st_mode = stat->mode; in cp_compat_stat()
629 tmp.st_nlink = stat->nlink; in cp_compat_stat()
630 if (tmp.st_nlink != stat->nlink) in cp_compat_stat()
632 SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid)); in cp_compat_stat()
633 SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid)); in cp_compat_stat()
634 tmp.st_rdev = new_encode_dev(stat->rdev); in cp_compat_stat()
635 if ((u64) stat->size > MAX_NON_LFS) in cp_compat_stat()
637 tmp.st_size = stat->size; in cp_compat_stat()
638 tmp.st_atime = stat->atime.tv_sec; in cp_compat_stat()
639 tmp.st_atime_nsec = stat->atime.tv_nsec; in cp_compat_stat()
640 tmp.st_mtime = stat->mtime.tv_sec; in cp_compat_stat()
641 tmp.st_mtime_nsec = stat->mtime.tv_nsec; in cp_compat_stat()
642 tmp.st_ctime = stat->ctime.tv_sec; in cp_compat_stat()
643 tmp.st_ctime_nsec = stat->ctime.tv_nsec; in cp_compat_stat()
644 tmp.st_blocks = stat->blocks; in cp_compat_stat()
645 tmp.st_blksize = stat->blksize; in cp_compat_stat()
652 struct kstat stat; in COMPAT_SYSCALL_DEFINE2() local
655 error = vfs_stat(filename, &stat); in COMPAT_SYSCALL_DEFINE2()
658 return cp_compat_stat(&stat, statbuf); in COMPAT_SYSCALL_DEFINE2()
664 struct kstat stat; in COMPAT_SYSCALL_DEFINE2() local
667 error = vfs_lstat(filename, &stat); in COMPAT_SYSCALL_DEFINE2()
670 return cp_compat_stat(&stat, statbuf); in COMPAT_SYSCALL_DEFINE2()
678 struct kstat stat; in COMPAT_SYSCALL_DEFINE4() local
681 error = vfs_fstatat(dfd, filename, &stat, flag); in COMPAT_SYSCALL_DEFINE4()
684 return cp_compat_stat(&stat, statbuf); in COMPAT_SYSCALL_DEFINE4()
691 struct kstat stat; in COMPAT_SYSCALL_DEFINE2() local
692 int error = vfs_fstat(fd, &stat); in COMPAT_SYSCALL_DEFINE2()
695 error = cp_compat_stat(&stat, statbuf); in COMPAT_SYSCALL_DEFINE2()