1 // SPDX-License-Identifier: GPL-2.0-or-later
11 #include <linux/backing-dev.h>
43 	if (!test_share_config_flag(work->tcon->share_conf,  in ksmbd_vfs_inherit_owner()
51  * ksmbd_vfs_lock_parent() - lock parent dentry if it is stable
55  * Returns: %0 on success, %-ENOENT if the parent dentry is not stable
60 	if (child->d_parent != parent) {  in ksmbd_vfs_lock_parent()
62 		return -ENOENT;  in ksmbd_vfs_lock_parent()
75 	struct path *root_share_path = &share_conf->vfs_path;  in ksmbd_vfs_path_lookup_locked()
80 		pathname = share_conf->path;  in ksmbd_vfs_path_lookup_locked()
101 		return -ENOENT;  in ksmbd_vfs_path_lookup_locked()
104 	err = mnt_want_write(parent_path->mnt);  in ksmbd_vfs_path_lookup_locked()
108 		return -ENOENT;  in ksmbd_vfs_path_lookup_locked()
111 	inode_lock_nested(parent_path->dentry->d_inode, I_MUTEX_PARENT);  in ksmbd_vfs_path_lookup_locked()
112 	d = lookup_one_qstr_excl(&last, parent_path->dentry, 0);  in ksmbd_vfs_path_lookup_locked()
121 	path->dentry = d;  in ksmbd_vfs_path_lookup_locked()
122 	path->mnt = mntget(parent_path->mnt);  in ksmbd_vfs_path_lookup_locked()
136 	inode_unlock(d_inode(parent_path->dentry));  in ksmbd_vfs_path_lookup_locked()
137 	mnt_drop_write(parent_path->mnt);  in ksmbd_vfs_path_lookup_locked()
140 	return -ENOENT;  in ksmbd_vfs_path_lookup_locked()
160 	if (!inode_permission(idmap, d_inode(dentry->d_parent), MAY_EXEC | MAY_WRITE))  in ksmbd_vfs_query_maximal_access()
165  * ksmbd_vfs_create() - vfs helper for smb create file
182 		if (err != -ENOENT)  in ksmbd_vfs_create()
203  * ksmbd_vfs_mkdir() - vfs helper for smb create directory
222 		if (err != -EEXIST)  in ksmbd_vfs_mkdir()
234 		d = lookup_one(idmap, dentry->d_name.name, dentry->d_parent,  in ksmbd_vfs_mkdir()
235 			       dentry->d_name.len);  in ksmbd_vfs_mkdir()
242 			err = -ENOENT;  in ksmbd_vfs_mkdir()
262 	ssize_t value_len = -ENOENT, xattr_list_len;  in ksmbd_vfs_getcasexattr()
268 	for (name = xattr_list; name - xattr_list < xattr_list_len;  in ksmbd_vfs_getcasexattr()
297 	v_len = ksmbd_vfs_getcasexattr(file_mnt_idmap(fp->filp),  in ksmbd_vfs_stream_read()
298 				       fp->filp->f_path.dentry,  in ksmbd_vfs_stream_read()
299 				       fp->stream.name,  in ksmbd_vfs_stream_read()
300 				       fp->stream.size,  in ksmbd_vfs_stream_read()
306 		count = -EINVAL;  in ksmbd_vfs_stream_read()
310 	if (v_len - *pos < count)  in ksmbd_vfs_stream_read()
311 		count = v_len - *pos;  in ksmbd_vfs_stream_read()
321  * check_lock_range() - vfs helper for smb byte range file locking
336 	if (!ctx || list_empty_careful(&ctx->flc_posix))  in check_lock_range()
339 	spin_lock(&ctx->flc_lock);  in check_lock_range()
340 	for_each_file_lock(flock, &ctx->flc_posix) {  in check_lock_range()
342 		if (flock->fl_end >= start && end >= flock->fl_start) {  in check_lock_range()
351 				if (flock->c.flc_file != filp) {  in check_lock_range()
360 	spin_unlock(&ctx->flc_lock);  in check_lock_range()
365  * ksmbd_vfs_read() - vfs helper for smb file read
377 	struct file *filp = fp->filp;  in ksmbd_vfs_read()
381 	if (S_ISDIR(inode->i_mode))  in ksmbd_vfs_read()
382 		return -EISDIR;  in ksmbd_vfs_read()
387 	if (work->conn->connection_type) {  in ksmbd_vfs_read()
388 		if (!(fp->daccess & (FILE_READ_DATA_LE | FILE_EXECUTE_LE))) {  in ksmbd_vfs_read()
389 			pr_err("no right to read(%pD)\n", fp->filp);  in ksmbd_vfs_read()
390 			return -EACCES;  in ksmbd_vfs_read()
397 	if (!work->tcon->posix_extensions) {  in ksmbd_vfs_read()
400 		ret = check_lock_range(filp, *pos, *pos + count - 1, READ);  in ksmbd_vfs_read()
403 			return -EAGAIN;  in ksmbd_vfs_read()
413 	filp->f_pos = *pos;  in ksmbd_vfs_read()
421 	struct mnt_idmap *idmap = file_mnt_idmap(fp->filp);  in ksmbd_vfs_stream_write()
432 		count = (*pos + count) - XATTR_SIZE_MAX;  in ksmbd_vfs_stream_write()
436 				       fp->filp->f_path.dentry,  in ksmbd_vfs_stream_write()
437 				       fp->stream.name,  in ksmbd_vfs_stream_write()
438 				       fp->stream.size,  in ksmbd_vfs_stream_write()
449 			err = -ENOMEM;  in ksmbd_vfs_stream_write()
462 				 &fp->filp->f_path,  in ksmbd_vfs_stream_write()
463 				 fp->stream.name,  in ksmbd_vfs_stream_write()
471 	fp->filp->f_pos = *pos;  in ksmbd_vfs_stream_write()
479  * ksmbd_vfs_write() - vfs helper for smb file write
498 	if (work->conn->connection_type) {  in ksmbd_vfs_write()
499 		if (!(fp->daccess & (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE)) ||  in ksmbd_vfs_write()
500 		    S_ISDIR(file_inode(fp->filp)->i_mode)) {  in ksmbd_vfs_write()
501 			pr_err("no right to write(%pD)\n", fp->filp);  in ksmbd_vfs_write()
502 			err = -EACCES;  in ksmbd_vfs_write()
507 	filp = fp->filp;  in ksmbd_vfs_write()
516 	if (!work->tcon->posix_extensions) {  in ksmbd_vfs_write()
517 		err = check_lock_range(filp, *pos, *pos + count - 1, WRITE);  in ksmbd_vfs_write()
520 			err = -EAGAIN;  in ksmbd_vfs_write()
526 	fp->reserve_lease_break = true;  in ksmbd_vfs_write()
537 	filp->f_pos = *pos;  in ksmbd_vfs_write()
544 			       fp->filp, err);  in ksmbd_vfs_write()
552  * ksmbd_vfs_getattr() - vfs helper for smb getattr
568  * ksmbd_vfs_fsync() - vfs helper for smb fsync
583 		return -ENOENT;  in ksmbd_vfs_fsync()
585 	err = vfs_fsync(fp->filp, 0);  in ksmbd_vfs_fsync()
593  * ksmbd_vfs_remove_file() - vfs helper for smb rmdir or unlink
602 	struct dentry *parent = path->dentry->d_parent;  in ksmbd_vfs_remove_file()
606 		return -ENOMEM;  in ksmbd_vfs_remove_file()
608 	if (!d_inode(path->dentry)->i_nlink) {  in ksmbd_vfs_remove_file()
609 		err = -ENOENT;  in ksmbd_vfs_remove_file()
613 	idmap = mnt_idmap(path->mnt);  in ksmbd_vfs_remove_file()
614 	if (S_ISDIR(d_inode(path->dentry)->i_mode)) {  in ksmbd_vfs_remove_file()
615 		err = vfs_rmdir(idmap, d_inode(parent), path->dentry);  in ksmbd_vfs_remove_file()
616 		if (err && err != -ENOTEMPTY)  in ksmbd_vfs_remove_file()
619 		err = vfs_unlink(idmap, d_inode(parent), path->dentry, NULL);  in ksmbd_vfs_remove_file()
630  * ksmbd_vfs_link() - vfs helper for creating smb hardlink
645 		return -ENOMEM;  in ksmbd_vfs_link()
663 	err = -EXDEV;  in ksmbd_vfs_link()
688 	struct dentry *old_child = old_path->dentry;  in ksmbd_vfs_rename()
693 	struct ksmbd_share_config *share_conf = work->tcon->share_conf;  in ksmbd_vfs_rename()
699 		return -ENOMEM;  in ksmbd_vfs_rename()
710 				     &share_conf->vfs_path);  in ksmbd_vfs_rename()
714 	if (old_path->mnt != new_path.mnt) {  in ksmbd_vfs_rename()
715 		err = -EXDEV;  in ksmbd_vfs_rename()
719 	err = mnt_want_write(old_path->mnt);  in ksmbd_vfs_rename()
729 	old_parent = dget(old_child->d_parent);  in ksmbd_vfs_rename()
731 		err = -EINVAL;  in ksmbd_vfs_rename()
735 	parent_fp = ksmbd_lookup_fd_inode(old_child->d_parent);  in ksmbd_vfs_rename()
737 		if (parent_fp->daccess & FILE_DELETE_LE) {  in ksmbd_vfs_rename()
739 			err = -ESHARE;  in ksmbd_vfs_rename()
754 		err = -EACCES;  in ksmbd_vfs_rename()
763 		err = -EEXIST;  in ksmbd_vfs_rename()
769 		err = -EINVAL;  in ksmbd_vfs_rename()
774 		err = -ENOTEMPTY;  in ksmbd_vfs_rename()
778 	rd.old_mnt_idmap	= mnt_idmap(old_path->mnt),  in ksmbd_vfs_rename()
782 	rd.new_dir		= new_path.dentry->d_inode,  in ksmbd_vfs_rename()
796 	mnt_drop_write(old_path->mnt);  in ksmbd_vfs_rename()
812  * ksmbd_vfs_truncate() - vfs helper for smb file truncate
825 	filp = fp->filp;  in ksmbd_vfs_truncate()
830 	if (!work->tcon->posix_extensions) {  in ksmbd_vfs_truncate()
833 		if (size < inode->i_size) {  in ksmbd_vfs_truncate()
835 					       inode->i_size - 1, WRITE);  in ksmbd_vfs_truncate()
837 			err = check_lock_range(filp, inode->i_size,  in ksmbd_vfs_truncate()
838 					       size - 1, WRITE);  in ksmbd_vfs_truncate()
843 			return -EAGAIN;  in ksmbd_vfs_truncate()
847 	err = vfs_truncate(&filp->f_path, size);  in ksmbd_vfs_truncate()
854  * ksmbd_vfs_listxattr() - vfs helper for smb list extended attributes
871 		return -ENOMEM;  in ksmbd_vfs_listxattr()
891  * ksmbd_vfs_getxattr() - vfs helper for smb get extended attributes value
913 		return -ENOMEM;  in ksmbd_vfs_getxattr()
925  * ksmbd_vfs_setxattr() - vfs helper for smb set extended attributes value
927  * @path:	path of dentry to set XATTR at
929  * @attr_value:	xattr value to set
944 		err = mnt_want_write(path->mnt);  in ksmbd_vfs_setxattr()
950 			   path->dentry,  in ksmbd_vfs_setxattr()
958 		mnt_drop_write(path->mnt);  in ksmbd_vfs_setxattr()
963  * ksmbd_vfs_set_fadvise() - convert smb IO caching options to linux options
971 	mapping = filp->f_mapping;  in ksmbd_vfs_set_fadvise()
977 		filp->f_flags |= O_SYNC;  in ksmbd_vfs_set_fadvise()
979 		filp->f_ra.ra_pages = inode_to_bdi(mapping->host)->ra_pages * 2;  in ksmbd_vfs_set_fadvise()
980 		spin_lock(&filp->f_lock);  in ksmbd_vfs_set_fadvise()
981 		filp->f_mode &= ~FMODE_RANDOM;  in ksmbd_vfs_set_fadvise()
982 		spin_unlock(&filp->f_lock);  in ksmbd_vfs_set_fadvise()
984 		spin_lock(&filp->f_lock);  in ksmbd_vfs_set_fadvise()
985 		filp->f_mode |= FMODE_RANDOM;  in ksmbd_vfs_set_fadvise()
986 		spin_unlock(&filp->f_lock);  in ksmbd_vfs_set_fadvise()
994 	if (fp->f_ci->m_fattr & FILE_ATTRIBUTE_SPARSE_FILE_LE)  in ksmbd_vfs_zero_data()
995 		return vfs_fallocate(fp->filp,  in ksmbd_vfs_zero_data()
999 	return vfs_fallocate(fp->filp,  in ksmbd_vfs_zero_data()
1008 	struct file *f = fp->filp;  in ksmbd_vfs_fqar_lseek()
1009 	struct inode *inode = file_inode(fp->filp);  in ksmbd_vfs_fqar_lseek()
1010 	loff_t maxbytes = (u64)inode->i_sb->s_maxbytes, end;  in ksmbd_vfs_fqar_lseek()
1015 		return -EFBIG;  in ksmbd_vfs_fqar_lseek()
1023 	if (length > maxbytes || (maxbytes - length) < start)  in ksmbd_vfs_fqar_lseek()
1024 		length = maxbytes - start;  in ksmbd_vfs_fqar_lseek()
1026 	if (start + length > inode->i_size)  in ksmbd_vfs_fqar_lseek()
1027 		length = inode->i_size - start;  in ksmbd_vfs_fqar_lseek()
1034 			if (extent_start != -ENXIO)  in ksmbd_vfs_fqar_lseek()
1044 			if (extent_end != -ENXIO)  in ksmbd_vfs_fqar_lseek()
1053 			cpu_to_le64(min(extent_end, end) - extent_start);  in ksmbd_vfs_fqar_lseek()
1068 		err = mnt_want_write(path->mnt);  in ksmbd_vfs_remove_xattr()
1073 	err = vfs_removexattr(idmap, path->dentry, attr_name);  in ksmbd_vfs_remove_xattr()
1076 		mnt_drop_write(path->mnt);  in ksmbd_vfs_remove_xattr()
1084 	struct dentry *dir, *dentry = filp->f_path.dentry;  in ksmbd_vfs_unlink()
1087 	err = mnt_want_write(filp->f_path.mnt);  in ksmbd_vfs_unlink()
1097 	if (S_ISDIR(d_inode(dentry)->i_mode))  in ksmbd_vfs_unlink()
1108 	mnt_drop_write(filp->f_path.mnt);  in ksmbd_vfs_unlink()
1120 		buf->dirent_count++;  in __dir_empty()
1122 	return !buf->dirent_count;  in __dir_empty()
1126  * ksmbd_vfs_empty_dir() - check for empty directory
1141 	err = iterate_dir(fp->filp, &readdir_data.ctx);  in ksmbd_vfs_empty_dir()
1143 		err = -ENOTEMPTY;  in ksmbd_vfs_empty_dir()
1154 	int cmp = -EINVAL;  in __caseless_lookup()
1158 	if (buf->used != namlen)  in __caseless_lookup()
1160 	if (IS_ENABLED(CONFIG_UNICODE) && buf->um) {  in __caseless_lookup()
1161 		const struct qstr q_buf = {.name = buf->private,  in __caseless_lookup()
1162 					   .len = buf->used};  in __caseless_lookup()
1166 		cmp = utf8_strncasecmp(buf->um, &q_buf, &q_name);  in __caseless_lookup()
1169 		cmp = strncasecmp((char *)buf->private, name, namlen);  in __caseless_lookup()
1171 		memcpy((char *)buf->private, name, buf->used);  in __caseless_lookup()
1172 		buf->dirent_count = 1;  in __caseless_lookup()
1179  * ksmbd_vfs_lookup_in_dir() - lookup a file in a directory
1213  * ksmbd_vfs_kern_path_locked() - lookup a file and get path info
1227 	struct ksmbd_share_config *share_conf = work->tcon->share_conf;  in ksmbd_vfs_kern_path_locked()
1243 		*parent_path = share_conf->vfs_path;  in ksmbd_vfs_kern_path_locked()
1246 		while (d_can_lookup(parent_path->dentry)) {  in ksmbd_vfs_kern_path_locked()
1247 			char *filename = filepath + path_len - remain_len;  in ksmbd_vfs_kern_path_locked()
1249 			size_t filename_len = next - filename;  in ksmbd_vfs_kern_path_locked()
1257 						      work->conn->um);  in ksmbd_vfs_kern_path_locked()
1263 			err = vfs_path_lookup(share_conf->vfs_path.dentry,  in ksmbd_vfs_kern_path_locked()
1264 					      share_conf->vfs_path.mnt,  in ksmbd_vfs_kern_path_locked()
1277 			remain_len -= filename_len + 1;  in ksmbd_vfs_kern_path_locked()
1280 		err = -EINVAL;  in ksmbd_vfs_kern_path_locked()
1287 		err = mnt_want_write(parent_path->mnt);  in ksmbd_vfs_kern_path_locked()
1294 		err = ksmbd_vfs_lock_parent(parent_path->dentry, path->dentry);  in ksmbd_vfs_kern_path_locked()
1305 	inode_unlock(d_inode(parent_path->dentry));  in ksmbd_vfs_kern_path_unlock()
1306 	mnt_drop_write(parent_path->mnt);  in ksmbd_vfs_kern_path_unlock()
1319 	abs_name = convert_to_unix_name(work->tcon->share_conf, name);  in ksmbd_vfs_kern_path_create()
1321 		return ERR_PTR(-ENOMEM);  in ksmbd_vfs_kern_path_create()
1335 	xattr_list_len = ksmbd_vfs_listxattr(path->dentry, &xattr_list);  in ksmbd_vfs_remove_acl_xattrs()
1343 	err = mnt_want_write(path->mnt);  in ksmbd_vfs_remove_acl_xattrs()
1347 	for (name = xattr_list; name - xattr_list < xattr_list_len;  in ksmbd_vfs_remove_acl_xattrs()
1352 			     sizeof(XATTR_NAME_POSIX_ACL_ACCESS) - 1) ||  in ksmbd_vfs_remove_acl_xattrs()
1354 			     sizeof(XATTR_NAME_POSIX_ACL_DEFAULT) - 1)) {  in ksmbd_vfs_remove_acl_xattrs()
1355 			err = vfs_remove_acl(idmap, path->dentry, name);  in ksmbd_vfs_remove_acl_xattrs()
1361 	mnt_drop_write(path->mnt);  in ksmbd_vfs_remove_acl_xattrs()
1374 	xattr_list_len = ksmbd_vfs_listxattr(path->dentry, &xattr_list);  in ksmbd_vfs_remove_sd_xattrs()
1382 	for (name = xattr_list; name - xattr_list < xattr_list_len;  in ksmbd_vfs_remove_sd_xattrs()
1415 			  sizeof(struct xattr_acl_entry) * posix_acls->a_count,  in ksmbd_vfs_make_xattr_posix_acl()
1420 	smb_acl->count = posix_acls->a_count;  in ksmbd_vfs_make_xattr_posix_acl()
1421 	pa_entry = posix_acls->a_entries;  in ksmbd_vfs_make_xattr_posix_acl()
1422 	xa_entry = smb_acl->entries;  in ksmbd_vfs_make_xattr_posix_acl()
1423 	for (i = 0; i < posix_acls->a_count; i++, pa_entry++, xa_entry++) {  in ksmbd_vfs_make_xattr_posix_acl()
1424 		switch (pa_entry->e_tag) {  in ksmbd_vfs_make_xattr_posix_acl()
1426 			xa_entry->type = SMB_ACL_USER;  in ksmbd_vfs_make_xattr_posix_acl()
1427 			xa_entry->uid = posix_acl_uid_translate(idmap, pa_entry);  in ksmbd_vfs_make_xattr_posix_acl()
1430 			xa_entry->type = SMB_ACL_USER_OBJ;  in ksmbd_vfs_make_xattr_posix_acl()
1433 			xa_entry->type = SMB_ACL_GROUP;  in ksmbd_vfs_make_xattr_posix_acl()
1434 			xa_entry->gid = posix_acl_gid_translate(idmap, pa_entry);  in ksmbd_vfs_make_xattr_posix_acl()
1437 			xa_entry->type = SMB_ACL_GROUP_OBJ;  in ksmbd_vfs_make_xattr_posix_acl()
1440 			xa_entry->type = SMB_ACL_OTHER;  in ksmbd_vfs_make_xattr_posix_acl()
1443 			xa_entry->type = SMB_ACL_MASK;  in ksmbd_vfs_make_xattr_posix_acl()
1446 			pr_err("unknown type : 0x%x\n", pa_entry->e_tag);  in ksmbd_vfs_make_xattr_posix_acl()
1450 		if (pa_entry->e_perm & ACL_READ)  in ksmbd_vfs_make_xattr_posix_acl()
1451 			xa_entry->perm |= SMB_ACL_READ;  in ksmbd_vfs_make_xattr_posix_acl()
1452 		if (pa_entry->e_perm & ACL_WRITE)  in ksmbd_vfs_make_xattr_posix_acl()
1453 			xa_entry->perm |= SMB_ACL_WRITE;  in ksmbd_vfs_make_xattr_posix_acl()
1454 		if (pa_entry->e_perm & ACL_EXECUTE)  in ksmbd_vfs_make_xattr_posix_acl()
1455 			xa_entry->perm |= SMB_ACL_EXECUTE;  in ksmbd_vfs_make_xattr_posix_acl()
1472 	struct dentry *dentry = path->dentry;  in ksmbd_vfs_set_sd_xattr()
1482 	pntsd->osidoffset =  in ksmbd_vfs_set_sd_xattr()
1483 		cpu_to_le32(le32_to_cpu(pntsd->osidoffset) + NDR_NTSD_OFFSETOF);  in ksmbd_vfs_set_sd_xattr()
1484 	pntsd->gsidoffset =  in ksmbd_vfs_set_sd_xattr()
1485 		cpu_to_le32(le32_to_cpu(pntsd->gsidoffset) + NDR_NTSD_OFFSETOF);  in ksmbd_vfs_set_sd_xattr()
1486 	pntsd->dacloffset =  in ksmbd_vfs_set_sd_xattr()
1487 		cpu_to_le32(le32_to_cpu(pntsd->dacloffset) + NDR_NTSD_OFFSETOF);  in ksmbd_vfs_set_sd_xattr()
1500 	if (S_ISDIR(inode->i_mode))  in ksmbd_vfs_set_sd_xattr()
1562 	if (S_ISDIR(inode->i_mode))  in ksmbd_vfs_get_sd_xattr()
1581 		rc = -EINVAL;  in ksmbd_vfs_get_sd_xattr()
1591 	(*pntsd)->osidoffset = cpu_to_le32(le32_to_cpu((*pntsd)->osidoffset) -  in ksmbd_vfs_get_sd_xattr()
1593 	(*pntsd)->gsidoffset = cpu_to_le32(le32_to_cpu((*pntsd)->gsidoffset) -  in ksmbd_vfs_get_sd_xattr()
1595 	(*pntsd)->dacloffset = cpu_to_le32(le32_to_cpu((*pntsd)->dacloffset) -  in ksmbd_vfs_get_sd_xattr()
1646 			err = -EINVAL;  in ksmbd_vfs_get_dos_attrib_xattr()
1656  * ksmbd_vfs_init_kstat() - convert unix stat information to smb stat format
1665 	struct kstat *kstat = ksmbd_kstat->kstat;  in ksmbd_vfs_init_kstat()
1668 	info->FileIndex = 0;  in ksmbd_vfs_init_kstat()
1669 	info->CreationTime = cpu_to_le64(ksmbd_kstat->create_time);  in ksmbd_vfs_init_kstat()
1670 	time = ksmbd_UnixTimeToNT(kstat->atime);  in ksmbd_vfs_init_kstat()
1671 	info->LastAccessTime = cpu_to_le64(time);  in ksmbd_vfs_init_kstat()
1672 	time = ksmbd_UnixTimeToNT(kstat->mtime);  in ksmbd_vfs_init_kstat()
1673 	info->LastWriteTime = cpu_to_le64(time);  in ksmbd_vfs_init_kstat()
1674 	time = ksmbd_UnixTimeToNT(kstat->ctime);  in ksmbd_vfs_init_kstat()
1675 	info->ChangeTime = cpu_to_le64(time);  in ksmbd_vfs_init_kstat()
1677 	if (ksmbd_kstat->file_attributes & FILE_ATTRIBUTE_DIRECTORY_LE) {  in ksmbd_vfs_init_kstat()
1678 		info->EndOfFile = 0;  in ksmbd_vfs_init_kstat()
1679 		info->AllocationSize = 0;  in ksmbd_vfs_init_kstat()
1681 		info->EndOfFile = cpu_to_le64(kstat->size);  in ksmbd_vfs_init_kstat()
1682 		info->AllocationSize = cpu_to_le64(kstat->blocks << 9);  in ksmbd_vfs_init_kstat()
1684 	info->ExtFileAttributes = ksmbd_kstat->file_attributes;  in ksmbd_vfs_init_kstat()
1694 	struct ksmbd_share_config *share_conf = work->tcon->share_conf;  in ksmbd_vfs_fill_dentry_attrs()
1698 		.mnt = share_conf->vfs_path.mnt,  in ksmbd_vfs_fill_dentry_attrs()
1702 	rc = vfs_getattr(&path, ksmbd_kstat->kstat,  in ksmbd_vfs_fill_dentry_attrs()
1708 	time = ksmbd_UnixTimeToNT(ksmbd_kstat->kstat->ctime);  in ksmbd_vfs_fill_dentry_attrs()
1709 	ksmbd_kstat->create_time = time;  in ksmbd_vfs_fill_dentry_attrs()
1712 	 * set default value for the case that store dos attributes is not yes  in ksmbd_vfs_fill_dentry_attrs()
1715 	if (S_ISDIR(ksmbd_kstat->kstat->mode))  in ksmbd_vfs_fill_dentry_attrs()
1716 		ksmbd_kstat->file_attributes = FILE_ATTRIBUTE_DIRECTORY_LE;  in ksmbd_vfs_fill_dentry_attrs()
1718 		ksmbd_kstat->file_attributes = FILE_ATTRIBUTE_ARCHIVE_LE;  in ksmbd_vfs_fill_dentry_attrs()
1720 	if (test_share_config_flag(work->tcon->share_conf,  in ksmbd_vfs_fill_dentry_attrs()
1726 			ksmbd_kstat->file_attributes = cpu_to_le32(da.attr);  in ksmbd_vfs_fill_dentry_attrs()
1727 			ksmbd_kstat->create_time = da.create_time;  in ksmbd_vfs_fill_dentry_attrs()
1741 	ssize_t value_len = -ENOENT, xattr_list_len;  in ksmbd_vfs_casexattr_len()
1747 	for (name = xattr_list; name - xattr_list < xattr_list_len;  in ksmbd_vfs_casexattr_len()
1775 		return -ENOMEM;  in ksmbd_vfs_xattr_stream_name()
1801 	if (!(src_fp->daccess & (FILE_READ_DATA_LE | FILE_EXECUTE_LE))) {  in ksmbd_vfs_copy_file_ranges()
1802 		pr_err("no right to read(%pD)\n", src_fp->filp);  in ksmbd_vfs_copy_file_ranges()
1803 		return -EACCES;  in ksmbd_vfs_copy_file_ranges()
1805 	if (!(dst_fp->daccess & (FILE_WRITE_DATA_LE | FILE_APPEND_DATA_LE))) {  in ksmbd_vfs_copy_file_ranges()
1806 		pr_err("no right to write(%pD)\n", dst_fp->filp);  in ksmbd_vfs_copy_file_ranges()
1807 		return -EACCES;  in ksmbd_vfs_copy_file_ranges()
1811 		return -EBADF;  in ksmbd_vfs_copy_file_ranges()
1815 	if (!work->tcon->posix_extensions) {  in ksmbd_vfs_copy_file_ranges()
1821 			if (check_lock_range(src_fp->filp, src_off,  in ksmbd_vfs_copy_file_ranges()
1822 					     src_off + len - 1, READ))  in ksmbd_vfs_copy_file_ranges()
1823 				return -EAGAIN;  in ksmbd_vfs_copy_file_ranges()
1824 			if (check_lock_range(dst_fp->filp, dst_off,  in ksmbd_vfs_copy_file_ranges()
1825 					     dst_off + len - 1, WRITE))  in ksmbd_vfs_copy_file_ranges()
1826 				return -EAGAIN;  in ksmbd_vfs_copy_file_ranges()
1830 	src_file_size = i_size_read(file_inode(src_fp->filp));  in ksmbd_vfs_copy_file_ranges()
1838 			return -E2BIG;  in ksmbd_vfs_copy_file_ranges()
1840 		ret = vfs_copy_file_range(src_fp->filp, src_off,  in ksmbd_vfs_copy_file_ranges()
1841 					  dst_fp->filp, dst_off, len, 0);  in ksmbd_vfs_copy_file_ranges()
1842 		if (ret == -EOPNOTSUPP || ret == -EXDEV)  in ksmbd_vfs_copy_file_ranges()
1843 			ret = vfs_copy_file_range(src_fp->filp, src_off,  in ksmbd_vfs_copy_file_ranges()
1844 						  dst_fp->filp, dst_off, len,  in ksmbd_vfs_copy_file_ranges()
1857 	wait_event(flock->c.flc_wait, !flock->c.flc_blocker);  in ksmbd_vfs_posix_lock_wait()
1870 	struct dentry *dentry = path->dentry;  in ksmbd_vfs_set_init_posix_acl()
1875 		return -EOPNOTSUPP;  in ksmbd_vfs_set_init_posix_acl()
1877 	ksmbd_debug(SMB, "Set posix acls\n");  in ksmbd_vfs_set_init_posix_acl()
1882 	/* Set default owner group */  in ksmbd_vfs_set_init_posix_acl()
1883 	acl_state.owner.allow = (inode->i_mode & 0700) >> 6;  in ksmbd_vfs_set_init_posix_acl()
1884 	acl_state.group.allow = (inode->i_mode & 0070) >> 3;  in ksmbd_vfs_set_init_posix_acl()
1885 	acl_state.other.allow = inode->i_mode & 0007;  in ksmbd_vfs_set_init_posix_acl()
1886 	acl_state.users->aces[acl_state.users->n].uid = inode->i_uid;  in ksmbd_vfs_set_init_posix_acl()
1887 	acl_state.users->aces[acl_state.users->n++].perms.allow =  in ksmbd_vfs_set_init_posix_acl()
1889 	acl_state.groups->aces[acl_state.groups->n].gid = inode->i_gid;  in ksmbd_vfs_set_init_posix_acl()
1890 	acl_state.groups->aces[acl_state.groups->n++].perms.allow =  in ksmbd_vfs_set_init_posix_acl()
1897 		return -ENOMEM;  in ksmbd_vfs_set_init_posix_acl()
1899 	posix_state_to_acl(&acl_state, acls->a_entries);  in ksmbd_vfs_set_init_posix_acl()
1903 		ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_ACCESS) failed, rc : %d\n",  in ksmbd_vfs_set_init_posix_acl()
1905 	else if (S_ISDIR(inode->i_mode)) {  in ksmbd_vfs_set_init_posix_acl()
1906 		posix_state_to_acl(&acl_state, acls->a_entries);  in ksmbd_vfs_set_init_posix_acl()
1909 			ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_DEFAULT) failed, rc : %d\n",  in ksmbd_vfs_set_init_posix_acl()
1923 	struct dentry *dentry = path->dentry;  in ksmbd_vfs_inherit_posix_acl()
1928 		return -EOPNOTSUPP;  in ksmbd_vfs_inherit_posix_acl()
1932 		return -ENOENT;  in ksmbd_vfs_inherit_posix_acl()
1933 	pace = acls->a_entries;  in ksmbd_vfs_inherit_posix_acl()
1935 	for (i = 0; i < acls->a_count; i++, pace++) {  in ksmbd_vfs_inherit_posix_acl()
1936 		if (pace->e_tag == ACL_MASK) {  in ksmbd_vfs_inherit_posix_acl()
1937 			pace->e_perm = 0x07;  in ksmbd_vfs_inherit_posix_acl()
1944 		ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_ACCESS) failed, rc : %d\n",  in ksmbd_vfs_inherit_posix_acl()
1946 	if (S_ISDIR(inode->i_mode)) {  in ksmbd_vfs_inherit_posix_acl()
1950 			ksmbd_debug(SMB, "Set posix acl(ACL_TYPE_DEFAULT) failed, rc : %d\n",  in ksmbd_vfs_inherit_posix_acl()