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()
81 stat->attributes |= STATX_ATTR_AUTOMOUNT; in vfs_getattr_nosec()
84 stat->attributes |= STATX_ATTR_DAX; in vfs_getattr_nosec()
87 return inode->i_op->getattr(path, stat, request_mask, in vfs_getattr_nosec()
90 generic_fillattr(inode, stat); in vfs_getattr_nosec()
98 * @stat: Where to return the statistics
116 int vfs_getattr(const struct path *path, struct kstat *stat, in vfs_getattr() argument
124 return vfs_getattr_nosec(path, stat, request_mask, query_flags); in vfs_getattr()
131 * @stat: The result structure to fill in.
138 int vfs_fstat(int fd, struct kstat *stat) in vfs_fstat() argument
146 error = vfs_getattr(&f.file->f_path, stat, STATX_BASIC_STATS, 0); in vfs_fstat()
156 * @stat: The result structure to fill in.
167 struct kstat *stat, u32 request_mask) in vfs_statx() argument
189 error = vfs_getattr(&path, stat, request_mask, flags); in vfs_statx()
190 stat->mnt_id = real_mount(path.mnt)->mnt_id; in vfs_statx()
191 stat->result_mask |= STATX_MNT_ID; in vfs_statx()
193 stat->attributes |= STATX_ATTR_MOUNT_ROOT; in vfs_statx()
194 stat->attributes_mask |= STATX_ATTR_MOUNT_ROOT; in vfs_statx()
205 struct kstat *stat, int flags) in vfs_fstatat() argument
208 stat, STATX_BASIC_STATS); in vfs_fstatat()
217 static int cp_old_stat(struct kstat *stat, struct __old_kernel_stat __user * statbuf) in cp_old_stat() argument
224 printk(KERN_WARNING "VFS: Warning: %s using old stat() call. Recompile your binary.\n", in cp_old_stat()
232 tmp.st_dev = old_encode_dev(stat->dev); in cp_old_stat()
233 tmp.st_ino = stat->ino; in cp_old_stat()
234 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino) in cp_old_stat()
236 tmp.st_mode = stat->mode; in cp_old_stat()
237 tmp.st_nlink = stat->nlink; in cp_old_stat()
238 if (tmp.st_nlink != stat->nlink) in cp_old_stat()
240 SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid)); in cp_old_stat()
241 SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid)); in cp_old_stat()
242 tmp.st_rdev = old_encode_dev(stat->rdev); in cp_old_stat()
244 if (stat->size > MAX_NON_LFS) in cp_old_stat()
247 tmp.st_size = stat->size; in cp_old_stat()
248 tmp.st_atime = stat->atime.tv_sec; in cp_old_stat()
249 tmp.st_mtime = stat->mtime.tv_sec; in cp_old_stat()
250 tmp.st_ctime = stat->ctime.tv_sec; in cp_old_stat()
254 SYSCALL_DEFINE2(stat, const char __user *, filename, in SYSCALL_DEFINE2() argument
257 struct kstat stat; in SYSCALL_DEFINE2() local
260 error = vfs_stat(filename, &stat); in SYSCALL_DEFINE2()
264 return cp_old_stat(&stat, statbuf); in SYSCALL_DEFINE2()
270 struct kstat stat; in SYSCALL_DEFINE2() local
273 error = vfs_lstat(filename, &stat); in SYSCALL_DEFINE2()
277 return cp_old_stat(&stat, statbuf); in SYSCALL_DEFINE2()
282 struct kstat stat; in SYSCALL_DEFINE2() local
283 int error = vfs_fstat(fd, &stat); in SYSCALL_DEFINE2()
286 error = cp_old_stat(&stat, statbuf); in SYSCALL_DEFINE2()
308 static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf) in cp_new_stat() argument
310 struct stat tmp; in cp_new_stat()
312 if (!valid_dev(stat->dev) || !valid_dev(stat->rdev)) in cp_new_stat()
315 if (stat->size > MAX_NON_LFS) in cp_new_stat()
320 tmp.st_dev = encode_dev(stat->dev); in cp_new_stat()
321 tmp.st_ino = stat->ino; in cp_new_stat()
322 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino) in cp_new_stat()
324 tmp.st_mode = stat->mode; in cp_new_stat()
325 tmp.st_nlink = stat->nlink; in cp_new_stat()
326 if (tmp.st_nlink != stat->nlink) in cp_new_stat()
328 SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid)); in cp_new_stat()
329 SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid)); in cp_new_stat()
330 tmp.st_rdev = encode_dev(stat->rdev); in cp_new_stat()
331 tmp.st_size = stat->size; in cp_new_stat()
332 tmp.st_atime = stat->atime.tv_sec; in cp_new_stat()
333 tmp.st_mtime = stat->mtime.tv_sec; in cp_new_stat()
334 tmp.st_ctime = stat->ctime.tv_sec; in cp_new_stat()
336 tmp.st_atime_nsec = stat->atime.tv_nsec; in cp_new_stat()
337 tmp.st_mtime_nsec = stat->mtime.tv_nsec; in cp_new_stat()
338 tmp.st_ctime_nsec = stat->ctime.tv_nsec; in cp_new_stat()
340 tmp.st_blocks = stat->blocks; in cp_new_stat()
341 tmp.st_blksize = stat->blksize; in cp_new_stat()
346 struct stat __user *, statbuf) in SYSCALL_DEFINE2()
348 struct kstat stat; in SYSCALL_DEFINE2() local
349 int error = vfs_stat(filename, &stat); in SYSCALL_DEFINE2()
353 return cp_new_stat(&stat, statbuf); in SYSCALL_DEFINE2()
357 struct stat __user *, statbuf) in SYSCALL_DEFINE2()
359 struct kstat stat; in SYSCALL_DEFINE2() local
362 error = vfs_lstat(filename, &stat); in SYSCALL_DEFINE2()
366 return cp_new_stat(&stat, statbuf); in SYSCALL_DEFINE2()
371 struct stat __user *, statbuf, int, flag) in SYSCALL_DEFINE4()
373 struct kstat stat; in SYSCALL_DEFINE4() local
376 error = vfs_fstatat(dfd, filename, &stat, flag); in SYSCALL_DEFINE4()
379 return cp_new_stat(&stat, statbuf); in SYSCALL_DEFINE4()
383 SYSCALL_DEFINE2(newfstat, unsigned int, fd, struct stat __user *, statbuf) in SYSCALL_DEFINE2()
385 struct kstat stat; in SYSCALL_DEFINE2() local
386 int error = vfs_fstat(fd, &stat); in SYSCALL_DEFINE2()
389 error = cp_new_stat(&stat, statbuf); in SYSCALL_DEFINE2()
451 static long cp_new_stat64(struct kstat *stat, struct stat64 __user *statbuf) in cp_new_stat64() argument
458 tmp.st_dev = new_encode_dev(stat->dev); in cp_new_stat64()
459 tmp.st_rdev = new_encode_dev(stat->rdev); in cp_new_stat64()
461 tmp.st_dev = huge_encode_dev(stat->dev); in cp_new_stat64()
462 tmp.st_rdev = huge_encode_dev(stat->rdev); in cp_new_stat64()
464 tmp.st_ino = stat->ino; in cp_new_stat64()
465 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino) in cp_new_stat64()
468 tmp.__st_ino = stat->ino; in cp_new_stat64()
470 tmp.st_mode = stat->mode; in cp_new_stat64()
471 tmp.st_nlink = stat->nlink; in cp_new_stat64()
472 tmp.st_uid = from_kuid_munged(current_user_ns(), stat->uid); in cp_new_stat64()
473 tmp.st_gid = from_kgid_munged(current_user_ns(), stat->gid); in cp_new_stat64()
474 tmp.st_atime = stat->atime.tv_sec; in cp_new_stat64()
475 tmp.st_atime_nsec = stat->atime.tv_nsec; in cp_new_stat64()
476 tmp.st_mtime = stat->mtime.tv_sec; in cp_new_stat64()
477 tmp.st_mtime_nsec = stat->mtime.tv_nsec; in cp_new_stat64()
478 tmp.st_ctime = stat->ctime.tv_sec; in cp_new_stat64()
479 tmp.st_ctime_nsec = stat->ctime.tv_nsec; in cp_new_stat64()
480 tmp.st_size = stat->size; in cp_new_stat64()
481 tmp.st_blocks = stat->blocks; in cp_new_stat64()
482 tmp.st_blksize = stat->blksize; in cp_new_stat64()
489 struct kstat stat; in SYSCALL_DEFINE2() local
490 int error = vfs_stat(filename, &stat); in SYSCALL_DEFINE2()
493 error = cp_new_stat64(&stat, statbuf); in SYSCALL_DEFINE2()
501 struct kstat stat; in SYSCALL_DEFINE2() local
502 int error = vfs_lstat(filename, &stat); in SYSCALL_DEFINE2()
505 error = cp_new_stat64(&stat, statbuf); in SYSCALL_DEFINE2()
512 struct kstat stat; in SYSCALL_DEFINE2() local
513 int error = vfs_fstat(fd, &stat); in SYSCALL_DEFINE2()
516 error = cp_new_stat64(&stat, statbuf); in SYSCALL_DEFINE2()
524 struct kstat stat; in SYSCALL_DEFINE4() local
527 error = vfs_fstatat(dfd, filename, &stat, flag); in SYSCALL_DEFINE4()
530 return cp_new_stat64(&stat, statbuf); in SYSCALL_DEFINE4()
535 cp_statx(const struct kstat *stat, struct statx __user *buffer) in cp_statx() argument
541 tmp.stx_mask = stat->result_mask; in cp_statx()
542 tmp.stx_blksize = stat->blksize; in cp_statx()
543 tmp.stx_attributes = stat->attributes; in cp_statx()
544 tmp.stx_nlink = stat->nlink; in cp_statx()
545 tmp.stx_uid = from_kuid_munged(current_user_ns(), stat->uid); in cp_statx()
546 tmp.stx_gid = from_kgid_munged(current_user_ns(), stat->gid); in cp_statx()
547 tmp.stx_mode = stat->mode; in cp_statx()
548 tmp.stx_ino = stat->ino; in cp_statx()
549 tmp.stx_size = stat->size; in cp_statx()
550 tmp.stx_blocks = stat->blocks; in cp_statx()
551 tmp.stx_attributes_mask = stat->attributes_mask; in cp_statx()
552 tmp.stx_atime.tv_sec = stat->atime.tv_sec; in cp_statx()
553 tmp.stx_atime.tv_nsec = stat->atime.tv_nsec; in cp_statx()
554 tmp.stx_btime.tv_sec = stat->btime.tv_sec; in cp_statx()
555 tmp.stx_btime.tv_nsec = stat->btime.tv_nsec; in cp_statx()
556 tmp.stx_ctime.tv_sec = stat->ctime.tv_sec; in cp_statx()
557 tmp.stx_ctime.tv_nsec = stat->ctime.tv_nsec; in cp_statx()
558 tmp.stx_mtime.tv_sec = stat->mtime.tv_sec; in cp_statx()
559 tmp.stx_mtime.tv_nsec = stat->mtime.tv_nsec; in cp_statx()
560 tmp.stx_rdev_major = MAJOR(stat->rdev); in cp_statx()
561 tmp.stx_rdev_minor = MINOR(stat->rdev); in cp_statx()
562 tmp.stx_dev_major = MAJOR(stat->dev); in cp_statx()
563 tmp.stx_dev_minor = MINOR(stat->dev); in cp_statx()
564 tmp.stx_mnt_id = stat->mnt_id; in cp_statx()
572 struct kstat stat; in do_statx() local
580 error = vfs_statx(dfd, filename, flags, &stat, mask); in do_statx()
584 return cp_statx(&stat, buffer); in do_statx()
589 * @dfd: Base directory to pathwalk from *or* fd to stat.
590 * @filename: File to stat or "" with AT_EMPTY_PATH
607 static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf) in cp_compat_stat() argument
611 if (!old_valid_dev(stat->dev) || !old_valid_dev(stat->rdev)) in cp_compat_stat()
615 tmp.st_dev = old_encode_dev(stat->dev); in cp_compat_stat()
616 tmp.st_ino = stat->ino; in cp_compat_stat()
617 if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino) in cp_compat_stat()
619 tmp.st_mode = stat->mode; in cp_compat_stat()
620 tmp.st_nlink = stat->nlink; in cp_compat_stat()
621 if (tmp.st_nlink != stat->nlink) in cp_compat_stat()
623 SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid)); in cp_compat_stat()
624 SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid)); in cp_compat_stat()
625 tmp.st_rdev = old_encode_dev(stat->rdev); in cp_compat_stat()
626 if ((u64) stat->size > MAX_NON_LFS) in cp_compat_stat()
628 tmp.st_size = stat->size; in cp_compat_stat()
629 tmp.st_atime = stat->atime.tv_sec; in cp_compat_stat()
630 tmp.st_atime_nsec = stat->atime.tv_nsec; in cp_compat_stat()
631 tmp.st_mtime = stat->mtime.tv_sec; in cp_compat_stat()
632 tmp.st_mtime_nsec = stat->mtime.tv_nsec; in cp_compat_stat()
633 tmp.st_ctime = stat->ctime.tv_sec; in cp_compat_stat()
634 tmp.st_ctime_nsec = stat->ctime.tv_nsec; in cp_compat_stat()
635 tmp.st_blocks = stat->blocks; in cp_compat_stat()
636 tmp.st_blksize = stat->blksize; in cp_compat_stat()
643 struct kstat stat; in COMPAT_SYSCALL_DEFINE2() local
646 error = vfs_stat(filename, &stat); in COMPAT_SYSCALL_DEFINE2()
649 return cp_compat_stat(&stat, statbuf); in COMPAT_SYSCALL_DEFINE2()
655 struct kstat stat; in COMPAT_SYSCALL_DEFINE2() local
658 error = vfs_lstat(filename, &stat); in COMPAT_SYSCALL_DEFINE2()
661 return cp_compat_stat(&stat, statbuf); in COMPAT_SYSCALL_DEFINE2()
669 struct kstat stat; in COMPAT_SYSCALL_DEFINE4() local
672 error = vfs_fstatat(dfd, filename, &stat, flag); in COMPAT_SYSCALL_DEFINE4()
675 return cp_compat_stat(&stat, statbuf); in COMPAT_SYSCALL_DEFINE4()
682 struct kstat stat; in COMPAT_SYSCALL_DEFINE2() local
683 int error = vfs_fstat(fd, &stat); in COMPAT_SYSCALL_DEFINE2()
686 error = cp_compat_stat(&stat, statbuf); in COMPAT_SYSCALL_DEFINE2()