diff --git a/configure.ac b/configure.ac
index 7037c06b22..990958bafa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -226,12 +226,14 @@ AC_CONFIG_FILES([
 	tests/zfs-tests/cmd/randfree_file/Makefile
 	tests/zfs-tests/cmd/randwritecomp/Makefile
 	tests/zfs-tests/cmd/readmmap/Makefile
+	tests/zfs-tests/cmd/read_dos_attributes/Makefile
 	tests/zfs-tests/cmd/rename_dir/Makefile
 	tests/zfs-tests/cmd/rm_lnkcnt_zero_file/Makefile
 	tests/zfs-tests/cmd/send_doall/Makefile
 	tests/zfs-tests/cmd/stride_dd/Makefile
 	tests/zfs-tests/cmd/threadsappend/Makefile
 	tests/zfs-tests/cmd/user_ns_exec/Makefile
+	tests/zfs-tests/cmd/write_dos_attributes/Makefile
 	tests/zfs-tests/cmd/xattrtest/Makefile
 	tests/zfs-tests/include/Makefile
 	tests/zfs-tests/tests/Makefile
@@ -333,6 +335,7 @@ AC_CONFIG_FILES([
 	tests/zfs-tests/tests/functional/deadman/Makefile
 	tests/zfs-tests/tests/functional/delegate/Makefile
 	tests/zfs-tests/tests/functional/devices/Makefile
+	tests/zfs-tests/tests/functional/dos_attributes/Makefile
 	tests/zfs-tests/tests/functional/events/Makefile
 	tests/zfs-tests/tests/functional/exec/Makefile
 	tests/zfs-tests/tests/functional/fallocate/Makefile
diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h
index 6e85c4b7b3..ab29b4e2ef 100644
--- a/include/sys/fs/zfs.h
+++ b/include/sys/fs/zfs.h
@@ -1459,6 +1459,41 @@ typedef enum zfs_ioc {
  */
 #define	BLKZNAME		_IOR(0x12, 125, char[ZFS_MAX_DATASET_NAME_LEN])
 
+#ifdef __linux__
+
+/*
+ * IOCTLs to update and retrieve additional file level attributes on
+ * Linux.
+ */
+#define	ZFS_IOC_GETDOSFLAGS	_IOR(0x83, 1, uint64_t)
+#define	ZFS_IOC_SETDOSFLAGS	_IOW(0x83, 2, uint64_t)
+
+/*
+ * Additional file level attributes, that are stored
+ * in the upper half of z_pflags
+ */
+#define	ZFS_READONLY		0x0000000100000000ull
+#define	ZFS_HIDDEN		0x0000000200000000ull
+#define	ZFS_SYSTEM		0x0000000400000000ull
+#define	ZFS_ARCHIVE		0x0000000800000000ull
+#define	ZFS_IMMUTABLE		0x0000001000000000ull
+#define	ZFS_NOUNLINK		0x0000002000000000ull
+#define	ZFS_APPENDONLY		0x0000004000000000ull
+#define	ZFS_NODUMP		0x0000008000000000ull
+#define	ZFS_OPAQUE		0x0000010000000000ull
+#define	ZFS_AV_QUARANTINED	0x0000020000000000ull
+#define	ZFS_AV_MODIFIED		0x0000040000000000ull
+#define	ZFS_REPARSE		0x0000080000000000ull
+#define	ZFS_OFFLINE		0x0000100000000000ull
+#define	ZFS_SPARSE		0x0000200000000000ull
+
+#define	ZFS_DOS_FL_USER_VISIBLE	(ZFS_IMMUTABLE | ZFS_APPENDONLY | \
+	    ZFS_NOUNLINK | ZFS_ARCHIVE | ZFS_NODUMP | ZFS_SYSTEM | \
+	    ZFS_HIDDEN | ZFS_READONLY | ZFS_REPARSE | ZFS_OFFLINE | \
+	    ZFS_SPARSE)
+
+#endif
+
 /*
  * ZFS-specific error codes used for returning descriptive errors
  * to the userland through zfs ioctls.
diff --git a/include/sys/zfs_znode.h b/include/sys/zfs_znode.h
index e20c18cc2b..127fd8736f 100644
--- a/include/sys/zfs_znode.h
+++ b/include/sys/zfs_znode.h
@@ -37,7 +37,7 @@ extern "C" {
 
 /*
  * Additional file level attributes, that are stored
- * in the upper half of zp_flags
+ * in the upper half of z_pflags
  */
 #define	ZFS_READONLY		0x0000000100000000ull
 #define	ZFS_HIDDEN		0x0000000200000000ull
diff --git a/module/os/linux/zfs/zpl_file.c b/module/os/linux/zfs/zpl_file.c
index 982b424197..f78e50262a 100644
--- a/module/os/linux/zfs/zpl_file.c
+++ b/module/os/linux/zfs/zpl_file.c
@@ -905,21 +905,24 @@ __zpl_ioctl_setflags(struct inode *ip, uint32_t ioctl_flags, xvattr_t *xva)
 	xva_init(xva);
 	xoap = xva_getxoptattr(xva);
 
-	XVA_SET_REQ(xva, XAT_IMMUTABLE);
-	if (ioctl_flags & FS_IMMUTABLE_FL)
-		xoap->xoa_immutable = B_TRUE;
+#define	FLAG_CHANGE(iflag, zflag, xflag, xfield)	do {	\
+	if (((ioctl_flags & (iflag)) && !(zfs_flags & (zflag))) ||	\
+	    ((zfs_flags & (zflag)) && !(ioctl_flags & (iflag)))) {	\
+		XVA_SET_REQ(xva, (xflag));	\
+		(xfield) = ((ioctl_flags & (iflag)) != 0);	\
+	}	\
+} while (0)
 
-	XVA_SET_REQ(xva, XAT_APPENDONLY);
-	if (ioctl_flags & FS_APPEND_FL)
-		xoap->xoa_appendonly = B_TRUE;
+	FLAG_CHANGE(FS_IMMUTABLE_FL, ZFS_IMMUTABLE, XAT_IMMUTABLE,
+	    xoap->xoa_immutable);
+	FLAG_CHANGE(FS_APPEND_FL, ZFS_APPENDONLY, XAT_APPENDONLY,
+	    xoap->xoa_appendonly);
+	FLAG_CHANGE(FS_NODUMP_FL, ZFS_NODUMP, XAT_NODUMP,
+	    xoap->xoa_nodump);
+	FLAG_CHANGE(ZFS_PROJINHERIT_FL, ZFS_PROJINHERIT, XAT_PROJINHERIT,
+	    xoap->xoa_projinherit);
 
-	XVA_SET_REQ(xva, XAT_NODUMP);
-	if (ioctl_flags & FS_NODUMP_FL)
-		xoap->xoa_nodump = B_TRUE;
-
-	XVA_SET_REQ(xva, XAT_PROJINHERIT);
-	if (ioctl_flags & ZFS_PROJINHERIT_FL)
-		xoap->xoa_projinherit = B_TRUE;
+#undef	FLAG_CHANGE
 
 	return (0);
 }
@@ -998,6 +1001,94 @@ zpl_ioctl_setxattr(struct file *filp, void __user *arg)
 	return (err);
 }
 
+/*
+ * Expose Additional File Level Attributes of ZFS.
+ */
+static int
+zpl_ioctl_getdosflags(struct file *filp, void __user *arg)
+{
+	struct inode *ip = file_inode(filp);
+	uint64_t dosflags = ITOZ(ip)->z_pflags;
+	dosflags &= ZFS_DOS_FL_USER_VISIBLE;
+	int err = copy_to_user(arg, &dosflags, sizeof (dosflags));
+
+	return (err);
+}
+
+static int
+__zpl_ioctl_setdosflags(struct inode *ip, uint64_t ioctl_flags, xvattr_t *xva)
+{
+	uint64_t zfs_flags = ITOZ(ip)->z_pflags;
+	xoptattr_t *xoap;
+
+	if (ioctl_flags & (~ZFS_DOS_FL_USER_VISIBLE))
+		return (-EOPNOTSUPP);
+
+	if ((fchange(ioctl_flags, zfs_flags, ZFS_IMMUTABLE, ZFS_IMMUTABLE) ||
+	    fchange(ioctl_flags, zfs_flags, ZFS_APPENDONLY, ZFS_APPENDONLY)) &&
+	    !capable(CAP_LINUX_IMMUTABLE))
+		return (-EPERM);
+
+	if (!zpl_inode_owner_or_capable(kcred->user_ns, ip))
+		return (-EACCES);
+
+	xva_init(xva);
+	xoap = xva_getxoptattr(xva);
+
+#define	FLAG_CHANGE(iflag, xflag, xfield)	do {	\
+	if (((ioctl_flags & (iflag)) && !(zfs_flags & (iflag))) ||	\
+	    ((zfs_flags & (iflag)) && !(ioctl_flags & (iflag)))) {	\
+		XVA_SET_REQ(xva, (xflag));	\
+		(xfield) = ((ioctl_flags & (iflag)) != 0);	\
+	}	\
+} while (0)
+
+	FLAG_CHANGE(ZFS_IMMUTABLE, XAT_IMMUTABLE, xoap->xoa_immutable);
+	FLAG_CHANGE(ZFS_APPENDONLY, XAT_APPENDONLY, xoap->xoa_appendonly);
+	FLAG_CHANGE(ZFS_NODUMP, XAT_NODUMP, xoap->xoa_nodump);
+	FLAG_CHANGE(ZFS_READONLY, XAT_READONLY, xoap->xoa_readonly);
+	FLAG_CHANGE(ZFS_HIDDEN, XAT_HIDDEN, xoap->xoa_hidden);
+	FLAG_CHANGE(ZFS_SYSTEM, XAT_SYSTEM, xoap->xoa_system);
+	FLAG_CHANGE(ZFS_ARCHIVE, XAT_ARCHIVE, xoap->xoa_archive);
+	FLAG_CHANGE(ZFS_NOUNLINK, XAT_NOUNLINK, xoap->xoa_nounlink);
+	FLAG_CHANGE(ZFS_REPARSE, XAT_REPARSE, xoap->xoa_reparse);
+	FLAG_CHANGE(ZFS_OFFLINE, XAT_OFFLINE, xoap->xoa_offline);
+	FLAG_CHANGE(ZFS_SPARSE, XAT_SPARSE, xoap->xoa_sparse);
+
+#undef	FLAG_CHANGE
+
+	return (0);
+}
+
+/*
+ * Set Additional File Level Attributes of ZFS.
+ */
+static int
+zpl_ioctl_setdosflags(struct file *filp, void __user *arg)
+{
+	struct inode *ip = file_inode(filp);
+	uint64_t dosflags;
+	cred_t *cr = CRED();
+	xvattr_t xva;
+	int err;
+	fstrans_cookie_t cookie;
+
+	if (copy_from_user(&dosflags, arg, sizeof (dosflags)))
+		return (-EFAULT);
+
+	err = __zpl_ioctl_setdosflags(ip, dosflags, &xva);
+	if (err)
+		return (err);
+
+	crhold(cr);
+	cookie = spl_fstrans_mark();
+	err = -zfs_setattr(ITOZ(ip), (vattr_t *)&xva, 0, cr);
+	spl_fstrans_unmark(cookie);
+	crfree(cr);
+
+	return (err);
+}
+
 static long
 zpl_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
@@ -1012,6 +1103,10 @@ zpl_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 		return (zpl_ioctl_getxattr(filp, (void *)arg));
 	case ZFS_IOC_FSSETXATTR:
 		return (zpl_ioctl_setxattr(filp, (void *)arg));
+	case ZFS_IOC_GETDOSFLAGS:
+		return (zpl_ioctl_getdosflags(filp, (void *)arg));
+	case ZFS_IOC_SETDOSFLAGS:
+		return (zpl_ioctl_setdosflags(filp, (void *)arg));
 	default:
 		return (-ENOTTY);
 	}
diff --git a/tests/runfiles/common.run b/tests/runfiles/common.run
index 9f11284ad6..eb0d451351 100644
--- a/tests/runfiles/common.run
+++ b/tests/runfiles/common.run
@@ -29,7 +29,7 @@ outputdir = /var/tmp/test_results
 tags = ['functional']
 
 [tests/functional/acl/off]
-tests = ['posixmode']
+tests = ['dosmode', 'posixmode']
 tags = ['functional', 'acl']
 
 [tests/functional/alloc_class]
diff --git a/tests/runfiles/freebsd.run b/tests/runfiles/freebsd.run
index 153b204b49..c7ca1d769f 100644
--- a/tests/runfiles/freebsd.run
+++ b/tests/runfiles/freebsd.run
@@ -22,10 +22,6 @@ failsafe = callbacks/zfs_failsafe
 outputdir = /var/tmp/test_results
 tags = ['functional']
 
-[tests/functional/acl/off:FreeBSD]
-tests = ['dosmode']
-tags = ['functional', 'acl']
-
 [tests/functional/cli_root/zfs_jail:FreeBSD]
 tests = ['zfs_jail_001_pos']
 tags = ['functional', 'cli_root', 'zfs_jail']
diff --git a/tests/runfiles/linux.run b/tests/runfiles/linux.run
index 7186d5d67a..8412a7ea5a 100644
--- a/tests/runfiles/linux.run
+++ b/tests/runfiles/linux.run
@@ -149,6 +149,10 @@ tests = ['projectid_001_pos', 'projectid_002_pos', 'projectid_003_pos',
     'projecttree_001_pos', 'projecttree_002_pos', 'projecttree_003_neg']
 tags = ['functional', 'projectquota']
 
+[tests/functional/dos_attributes:Linux]
+tests = ['read_dos_attrs_001', 'write_dos_attrs_001']
+tags = ['functional', 'dos_attributes']
+
 [tests/functional/rsend:Linux]
 tests = ['send_realloc_dnode_size', 'send_encrypted_files']
 tags = ['functional', 'rsend']
diff --git a/tests/zfs-tests/cmd/Makefile.am b/tests/zfs-tests/cmd/Makefile.am
index 2470397a90..88d8c8cf08 100644
--- a/tests/zfs-tests/cmd/Makefile.am
+++ b/tests/zfs-tests/cmd/Makefile.am
@@ -34,6 +34,8 @@ if BUILD_LINUX
 SUBDIRS += \
 	getversion \
 	randfree_file \
+	read_dos_attributes \
 	user_ns_exec \
+	write_dos_attributes \
 	xattrtest
 endif
diff --git a/tests/zfs-tests/cmd/read_dos_attributes/.gitignore b/tests/zfs-tests/cmd/read_dos_attributes/.gitignore
new file mode 100644
index 0000000000..52584e4a73
--- /dev/null
+++ b/tests/zfs-tests/cmd/read_dos_attributes/.gitignore
@@ -0,0 +1 @@
+/read_dos_attributes
diff --git a/tests/zfs-tests/cmd/read_dos_attributes/Makefile.am b/tests/zfs-tests/cmd/read_dos_attributes/Makefile.am
new file mode 100644
index 0000000000..69412f05f6
--- /dev/null
+++ b/tests/zfs-tests/cmd/read_dos_attributes/Makefile.am
@@ -0,0 +1,6 @@
+include $(top_srcdir)/config/Rules.am
+
+pkgexecdir = $(datadir)/@PACKAGE@/zfs-tests/bin
+
+pkgexec_PROGRAMS = read_dos_attributes
+read_dos_attributes_SOURCES = read_dos_attributes.c
diff --git a/tests/zfs-tests/cmd/read_dos_attributes/read_dos_attributes.c b/tests/zfs-tests/cmd/read_dos_attributes/read_dos_attributes.c
new file mode 100644
index 0000000000..ed0906c36a
--- /dev/null
+++ b/tests/zfs-tests/cmd/read_dos_attributes/read_dos_attributes.c
@@ -0,0 +1,167 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2022 iXsystems, Inc.
+ */
+
+/*
+ * FreeBSD allows to update and retreive additional file level attributes.
+ * For Linux, two IOCTLs have been added to update and retrieve additional
+ * level attributes.
+ *
+ * This application reads additional file level attributes on a given
+ * file and prints FreeBSD keywords that map to respective attributes.
+ *
+ * Usage: 'read_dos_attributes filepath'
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <err.h>
+#include <sys/fs/zfs.h>
+#include <string.h>
+
+#define	SU_ARCH_SHORT				"arch"
+#define	SU_ARCH_FULL				"archived"
+#define	SU_NODUMP				"nodump"
+#define	SU_APPEND_SHORT				"sappnd"
+#define	SU_APPEND_FULL				"sappend"
+#define	SU_IMMUTABLE				"schg"
+#define	SU_IMMUTABLE_SHORT			"schange"
+#define	SU_IMMUTABLE_FULL			"simmutable"
+#define	SU_UNLINK_SHORT				"sunlnk"
+#define	SU_UNLINK_FULL				"sunlink"
+#define	U_APPEND_SHORT				"uappnd"
+#define	U_APPEND_FULL				"uappend"
+#define	U_ARCH_SHORT				"uarch"
+#define	U_ARCH_FULL				"uarchive"
+#define	U_IMMUTABLE				"uchg"
+#define	U_IMMUTABLE_SHORT			"uchange"
+#define	U_IMMUTABLE_FULL			"uimmutable"
+#define	U_HIDDEN_SHORT				"hidden"
+#define	U_HIDDEN_FULL				"uhidden"
+#define	U_OFFLINE_SHORT				"offline"
+#define	U_OFFLINE_FULL				"uoffline"
+#define	U_RDONLY				"rdonly"
+#define	U_RDONLY_SHORT				"urdonly"
+#define	U_RDONLY_FULL				"readonly"
+#define	U_SPARSE_SHORT				"sparse"
+#define	U_SPARSE_FULL				"usparse"
+#define	U_SYSTEM_SHORT				"system"
+#define	U_SYSTEM_FULL				"usystem"
+#define	U_REPARSE_SHORT				"reparse"
+#define	U_REPARSE_FULL				"ureparse"
+#define	U_UNLINK_SHORT				"uunlnk"
+#define	U_UNLINK_FULL				"uunlink"
+#define	UNSET_NODUMP				"dump"
+
+#define	NO_ATTRIBUTE				"-"
+
+#define	SEPARATOR				","
+
+#define	BUFFER_SIZE				0x200
+
+void attribute_to_str(uint64_t attributes, char *buff);
+
+void
+attribute_to_str(uint64_t attributes, char *buff)
+{
+	if (attributes & ZFS_ARCHIVE) {
+		strcat(buff, U_ARCH_SHORT);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_APPENDONLY) {
+		strcat(buff, U_APPEND_SHORT);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_IMMUTABLE) {
+		strcat(buff, U_IMMUTABLE_FULL);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_NOUNLINK) {
+		strcat(buff, U_UNLINK_SHORT);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_NODUMP) {
+		strcat(buff, SU_NODUMP);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_HIDDEN) {
+		strcat(buff, U_HIDDEN_SHORT);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_OFFLINE) {
+		strcat(buff, U_OFFLINE_SHORT);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_READONLY) {
+		strcat(buff, U_RDONLY);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_SPARSE) {
+		strcat(buff, U_SPARSE_SHORT);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_SYSTEM) {
+		strcat(buff, U_SYSTEM_SHORT);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (attributes & ZFS_REPARSE) {
+		strcat(buff, U_REPARSE_SHORT);
+		strcat(buff, SEPARATOR);
+	}
+
+	if (buff[0] == '\0')
+		strcat(buff, NO_ATTRIBUTE);
+	else
+		buff[strlen(buff) - 1] = '\0';
+}
+
+int
+main(int argc, const char * const argv[])
+{
+	if (argc != 2)
+		errx(EXIT_FAILURE, "Usage: %s filepath", argv[0]);
+
+	int fd = open(argv[1], O_RDWR | O_APPEND);
+	if (fd < 0)
+		err(EXIT_FAILURE, "Failed to open %s", argv[1]);
+
+	uint64_t dosflags = 0;
+	if (ioctl(fd, ZFS_IOC_GETDOSFLAGS, &dosflags) == -1)
+		err(EXIT_FAILURE, "ZFS_IOC_GETDOSFLAGS failed");
+
+	(void) close(fd);
+
+	char buffer[BUFFER_SIZE];
+	memset(buffer, 0, BUFFER_SIZE);
+
+	(void) attribute_to_str(dosflags, buffer);
+
+	(void) printf("%s\n", buffer);
+
+	return (EXIT_SUCCESS);
+}
diff --git a/tests/zfs-tests/cmd/write_dos_attributes/.gitignore b/tests/zfs-tests/cmd/write_dos_attributes/.gitignore
new file mode 100644
index 0000000000..f3949ac828
--- /dev/null
+++ b/tests/zfs-tests/cmd/write_dos_attributes/.gitignore
@@ -0,0 +1 @@
+/write_dos_attributes
diff --git a/tests/zfs-tests/cmd/write_dos_attributes/Makefile.am b/tests/zfs-tests/cmd/write_dos_attributes/Makefile.am
new file mode 100644
index 0000000000..c297fd49e0
--- /dev/null
+++ b/tests/zfs-tests/cmd/write_dos_attributes/Makefile.am
@@ -0,0 +1,6 @@
+include $(top_srcdir)/config/Rules.am
+
+pkgexecdir = $(datadir)/@PACKAGE@/zfs-tests/bin
+
+pkgexec_PROGRAMS = write_dos_attributes
+write_dos_attributes_SOURCES = write_dos_attributes.c
diff --git a/tests/zfs-tests/cmd/write_dos_attributes/write_dos_attributes.c b/tests/zfs-tests/cmd/write_dos_attributes/write_dos_attributes.c
new file mode 100644
index 0000000000..c373d3b153
--- /dev/null
+++ b/tests/zfs-tests/cmd/write_dos_attributes/write_dos_attributes.c
@@ -0,0 +1,201 @@
+/*
+ * This file and its contents are supplied under the terms of the
+ * Common Development and Distribution License ("CDDL"), version 1.0.
+ * You may only use this file in accordance with the terms of version
+ * 1.0 of the CDDL.
+ *
+ * A full copy of the text of the CDDL should have accompanied this
+ * source.  A copy of the CDDL is also available via the Internet at
+ * http://www.illumos.org/license/CDDL.
+ */
+
+/*
+ * Copyright 2022 iXsystems, Inc.
+ */
+
+/*
+ * FreeBSD allows to update and retreive additional file level attributes.
+ * For Linux, two IOCTLs have been added to update and retrieve additional
+ * level attributes.
+ *
+ * This application updates additional file level attributes on a given
+ * file. FreeBSD keywords can be used to specify the flag.
+ *
+ * Usage: 'write_dos_attributes flag filepath'
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <err.h>
+#include <sys/fs/zfs.h>
+#include <string.h>
+#include <ctype.h>
+
+#define	SU_ARCH_SHORT				"arch"
+#define	SU_ARCH_FULL				"archived"
+#define	SU_NODUMP				"nodump"
+#define	SU_APPEND_SHORT				"sappnd"
+#define	SU_APPEND_FULL				"sappend"
+#define	SU_IMMUTABLE				"schg"
+#define	SU_IMMUTABLE_SHORT			"schange"
+#define	SU_IMMUTABLE_FULL			"simmutable"
+#define	SU_UNLINK_SHORT				"sunlnk"
+#define	SU_UNLINK_FULL				"sunlink"
+#define	U_APPEND_SHORT				"uappnd"
+#define	U_APPEND_FULL				"uappend"
+#define	U_ARCH_SHORT				"uarch"
+#define	U_ARCH_FULL				"uarchive"
+#define	U_IMMUTABLE				"uchg"
+#define	U_IMMUTABLE_SHORT			"uchange"
+#define	U_IMMUTABLE_FULL			"uimmutable"
+#define	U_HIDDEN_SHORT				"hidden"
+#define	U_HIDDEN_FULL				"uhidden"
+#define	U_OFFLINE_SHORT				"offline"
+#define	U_OFFLINE_FULL				"uoffline"
+#define	U_RDONLY				"rdonly"
+#define	U_RDONLY_SHORT				"urdonly"
+#define	U_RDONLY_FULL				"readonly"
+#define	U_SPARSE_SHORT				"sparse"
+#define	U_SPARSE_FULL				"usparse"
+#define	U_SYSTEM_SHORT				"system"
+#define	U_SYSTEM_FULL				"usystem"
+#define	U_REPARSE_SHORT				"reparse"
+#define	U_REPARSE_FULL				"ureparse"
+#define	U_UNLINK_SHORT				"uunlnk"
+#define	U_UNLINK_FULL				"uunlink"
+#define	UNSET_NODUMP				"dump"
+
+#define	IS_NO(s)	(s[0] == 'n' && s[1] == 'o')
+
+uint64_t str_to_attribute(char *str);
+
+uint64_t
+str_to_attribute(char *str)
+{
+	if ((strcmp(str, SU_ARCH_SHORT) == 0) ||
+	    (strcmp(str, SU_ARCH_FULL) == 0) ||
+	    (strcmp(str, U_ARCH_SHORT) == 0) ||
+	    (strcmp(str, U_ARCH_FULL) == 0))
+		return (ZFS_ARCHIVE);
+
+	else if ((strcmp(str, SU_APPEND_SHORT) == 0) ||
+	    (strcmp(str, SU_APPEND_FULL) == 0) ||
+	    (strcmp(str, U_APPEND_SHORT) == 0) ||
+	    (strcmp(str, U_APPEND_FULL) == 0))
+		return (ZFS_APPENDONLY);
+
+	else if ((strcmp(str, SU_IMMUTABLE) == 0) ||
+	    (strcmp(str, SU_IMMUTABLE_SHORT) == 0) ||
+	    (strcmp(str, SU_IMMUTABLE_FULL) == 0))
+		return (ZFS_IMMUTABLE);
+
+	else if ((strcmp(str, SU_UNLINK_SHORT) == 0) ||
+	    (strcmp(str, SU_UNLINK_FULL) == 0) ||
+	    (strcmp(str, U_UNLINK_SHORT) == 0) ||
+	    (strcmp(str, SU_UNLINK_FULL) == 0))
+		return (ZFS_NOUNLINK);
+
+	else if ((strcmp(str, U_HIDDEN_SHORT) == 0) ||
+	    (strcmp(str, U_HIDDEN_FULL) == 0))
+		return (ZFS_HIDDEN);
+
+	else if ((strcmp(str, U_OFFLINE_SHORT) == 0) ||
+	    (strcmp(str, U_OFFLINE_FULL) == 0))
+		return (ZFS_OFFLINE);
+
+	else if ((strcmp(str, U_RDONLY) == 0) ||
+	    (strcmp(str, U_RDONLY_SHORT) == 0) ||
+	    (strcmp(str, U_RDONLY_FULL) == 0))
+		return (ZFS_READONLY);
+
+	else if ((strcmp(str, U_SPARSE_SHORT) == 0) ||
+	    (strcmp(str, U_SPARSE_FULL) == 0))
+		return (ZFS_SPARSE);
+
+	else if ((strcmp(str, U_SYSTEM_SHORT) == 0) ||
+	    (strcmp(str, U_SYSTEM_FULL) == 0))
+		return (ZFS_SYSTEM);
+
+	else if ((strcmp(str, U_REPARSE_SHORT) == 0) ||
+	    (strcmp(str, U_REPARSE_FULL) == 0))
+		return (ZFS_REPARSE);
+
+	return (-1);
+}
+
+int
+main(int argc, const char * const argv[])
+{
+	if (argc != 3)
+		errx(EXIT_FAILURE, "Usage: %s flag filepath", argv[0]);
+
+	uint8_t unset, unset_all;
+	uint64_t attribute, dosflags;
+	char *flag = strdup(argv[1]);
+	unset = unset_all = 0;
+	attribute = dosflags = 0;
+
+	// convert the flag to lower case
+	for (int i = 0; i < strlen(argv[1]); ++i)
+		flag[i] = tolower((unsigned char) flag[i]);
+
+	// check if flag starts with 'no'
+	if (IS_NO(flag)) {
+		if (strcmp(flag, SU_NODUMP) == 0) {
+			attribute = ZFS_NODUMP;
+		} else {
+			attribute = str_to_attribute(flag + 2);
+			unset = 1;
+		}
+	}
+	// check if '0' was passed
+	else if (strcmp(flag, "0") == 0) {
+		unset_all = 1;
+	}
+	// check if the flag is 'dump'
+	else if (strcmp(flag, UNSET_NODUMP) == 0) {
+		attribute = ZFS_NODUMP;
+		unset = 1;
+	} else {
+		attribute = str_to_attribute(flag);
+	}
+
+	if (attribute == -1)
+		errx(EXIT_FAILURE, "Invalid Flag %s", argv[1]);
+
+	int fd = open(argv[2], O_RDWR | O_APPEND);
+	if (fd < 0)
+		err(EXIT_FAILURE, "Failed to open %s", argv[2]);
+
+	if (ioctl(fd, ZFS_IOC_GETDOSFLAGS, &dosflags) == -1)
+		err(EXIT_FAILURE, "ZFS_IOC_GETDOSFLAGS failed");
+
+	if (unset == 0 && attribute != 0)
+		attribute |= dosflags;
+	else if (unset == 1 && attribute != 0)
+		attribute = dosflags & (~attribute);
+	else if (unset_all == 1)
+		attribute = 0;
+
+	// set the attribute/s
+	if (ioctl(fd, ZFS_IOC_SETDOSFLAGS, &attribute) == -1)
+		err(EXIT_FAILURE, "ZFS_IOC_SETDOSFLAGS failed");
+
+	// get the attributes to confirm
+	dosflags = -1;
+	if (ioctl(fd, ZFS_IOC_GETDOSFLAGS, &dosflags) == -1)
+		err(EXIT_FAILURE, "ZFS_IOC_GETDOSFLAGS failed");
+
+	(void) close(fd);
+
+	if (dosflags != attribute)
+		errx(EXIT_FAILURE, "Could not set %s attribute", argv[1]);
+
+	(void) printf("New Dos Flags: 0x%llx\n", (u_longlong_t)dosflags);
+
+	return (EXIT_SUCCESS);
+}
diff --git a/tests/zfs-tests/include/commands.cfg b/tests/zfs-tests/include/commands.cfg
index fa3d12d669..b247a67ff6 100644
--- a/tests/zfs-tests/include/commands.cfg
+++ b/tests/zfs-tests/include/commands.cfg
@@ -215,10 +215,12 @@ export ZFSTEST_FILES='badsend
     randfree_file
     randwritecomp
     readmmap
+    read_dos_attributes
     rename_dir
     rm_lnkcnt_zero_file
     send_doall
     threadsappend
     user_ns_exec
+    write_dos_attributes
     xattrtest
     stride_dd'
diff --git a/tests/zfs-tests/tests/functional/Makefile.am b/tests/zfs-tests/tests/functional/Makefile.am
index e71172b8e8..9164650e34 100644
--- a/tests/zfs-tests/tests/functional/Makefile.am
+++ b/tests/zfs-tests/tests/functional/Makefile.am
@@ -21,6 +21,7 @@ SUBDIRS = \
 	deadman \
 	delegate \
 	devices \
+	dos_attributes \
 	events \
 	exec \
 	fallocate \
diff --git a/tests/zfs-tests/tests/functional/acl/off/Makefile.am b/tests/zfs-tests/tests/functional/acl/off/Makefile.am
index 36aa13dd03..ae6a9c69d9 100644
--- a/tests/zfs-tests/tests/functional/acl/off/Makefile.am
+++ b/tests/zfs-tests/tests/functional/acl/off/Makefile.am
@@ -10,7 +10,5 @@ dist_pkgdata_SCRIPTS = \
 
 pkgexecdir = $(datadir)/@PACKAGE@/zfs-tests/tests/functional/acl/off
 
-if BUILD_FREEBSD
 pkgexec_PROGRAMS = dosmode_readonly_write
 dosmode_readonly_write_SOURCES = dosmode_readonly_write.c
-endif
diff --git a/tests/zfs-tests/tests/functional/acl/off/dosmode.ksh b/tests/zfs-tests/tests/functional/acl/off/dosmode.ksh
index e232dfd525..585aa02539 100755
--- a/tests/zfs-tests/tests/functional/acl/off/dosmode.ksh
+++ b/tests/zfs-tests/tests/functional/acl/off/dosmode.ksh
@@ -31,8 +31,6 @@
 # DESCRIPTION:
 #	Verify that DOS mode flags function correctly.
 #
-#	These flags are not currently exposed on Linux, so the test is
-#	only useful on FreeBSD.
 #
 # STRATEGY:
 #	1. ARCHIVE
@@ -56,7 +54,13 @@ function hasflag
 	typeset flag=$1
 	typeset path=$2
 
-	ls -lo $path | awk '{ gsub(",", "\n", $5); print $5 }' | grep -qxF $flag
+	if is_linux; then
+		read_dos_attributes $path | awk \
+		'{ gsub(",", "\n", $1); print $1 }' | grep -qxF $flag
+	else
+		ls -lo $path | awk '{ gsub(",", "\n", $5); print $5 }' | \
+		grep -qxF $flag
+	fi
 }
 
 log_assert "Verify DOS mode flags function correctly"
@@ -67,6 +71,12 @@ testfile=$TESTDIR/testfile
 owner=$ZFS_ACL_STAFF1
 other=$ZFS_ACL_STAFF2
 
+if is_linux; then
+	changeflags=write_dos_attributes
+else
+	changeflags=chflags
+fi
+
 #
 # ARCHIVE
 #
@@ -75,36 +85,40 @@ other=$ZFS_ACL_STAFF2
 #
 log_must touch $testfile
 log_must hasflag uarch $testfile
-log_must chflags nouarch $testfile
+log_must $changeflags nouarch $testfile
 log_must hasflag - $testfile
 log_must touch $testfile
-log_must hasflag uarch $testfile
+if ! is_linux; then
+	log_must hasflag uarch $testfile
+fi
 log_must rm $testfile
 log_must user_run $owner touch $testfile
 log_must hasflag uarch $testfile
-log_must user_run $owner chflags nouarch $testfile
-log_mustnot user_run $other chflags uarch $testfile
+log_must user_run $owner $changeflags nouarch $testfile
+log_mustnot user_run $other $changeflags uarch $testfile
 log_must hasflag - $testfile
 log_must user_run $owner touch $testfile
-log_mustnot user_run $other chflags nouarch $testfile
-log_must hasflag uarch $testfile
+log_mustnot user_run $other $changeflags nouarch $testfile
+if ! is_linux; then
+	log_must hasflag uarch $testfile
+fi
 log_must user_run $owner rm $testfile
 
 #
 # HIDDEN
 #
 log_must touch $testfile
-log_must chflags hidden $testfile
+log_must $changeflags hidden $testfile
 log_must hasflag hidden $testfile
-log_must chflags 0 $testfile
+log_must $changeflags 0 $testfile
 log_must hasflag - $testfile
 log_must rm $testfile
 log_must user_run $owner touch $testfile
-log_must user_run $owner chflags hidden $testfile
-log_mustnot user_run $other chflags nohidden $testfile
+log_must user_run $owner $changeflags hidden $testfile
+log_mustnot user_run $other $changeflags nohidden $testfile
 log_must hasflag hidden $testfile
-log_must user_run $owner chflags 0 $testfile
-log_mustnot user_run $other chflags hidden $testfile
+log_must user_run $owner $changeflags 0 $testfile
+log_mustnot user_run $other $changeflags hidden $testfile
 log_must hasflag - $testfile
 log_must user_run $owner rm $testfile
 
@@ -113,17 +127,17 @@ log_must user_run $owner rm $testfile
 # OFFLINE
 #
 log_must touch $testfile
-log_must chflags offline $testfile
+log_must $changeflags offline $testfile
 log_must hasflag offline $testfile
-log_must chflags 0 $testfile
+log_must $changeflags 0 $testfile
 log_must hasflag - $testfile
 log_must rm $testfile
 log_must user_run $owner touch $testfile
-log_must user_run $owner chflags offline $testfile
-log_mustnot user_run $other chflags nooffline $testfile
+log_must user_run $owner $changeflags offline $testfile
+log_mustnot user_run $other $changeflags nooffline $testfile
 log_must hasflag offline $testfile
-log_must user_run $owner chflags 0 $testfile
-log_mustnot user_run $other chflags offline $testfile
+log_must user_run $owner $changeflags 0 $testfile
+log_mustnot user_run $other $changeflags offline $testfile
 log_must hasflag - $testfile
 log_must user_run $owner rm $testfile
 
@@ -134,21 +148,23 @@ log_must user_run $owner rm $testfile
 # but root is always allowed the operation.
 #
 log_must touch $testfile
-log_must chflags rdonly $testfile
+log_must $changeflags rdonly $testfile
 log_must hasflag rdonly $testfile
 log_must eval "echo 'root write allowed' >> $testfile"
 log_must cat $testfile
-log_must chflags 0 $testfile
-log_must hasflag - $tesfile
+log_must $changeflags 0 $testfile
+log_must hasflag - $testfile
 log_must rm $testfile
 # It is required to still be able to write to an fd that was opened RW before
 # READONLY is set.  We have a special test program for that.
 log_must user_run $owner touch $testfile
-log_mustnot user_run $other chflags rdonly $testfile
+log_mustnot user_run $other $changeflags rdonly $testfile
 log_must user_run $owner $tests_base/dosmode_readonly_write $testfile
-log_mustnot user_run $other chflags nordonly $testfile
+log_mustnot user_run $other $changeflags nordonly $testfile
 log_must hasflag rdonly $testfile
-log_mustnot user_run $owner "echo 'user write forbidden' >> $testfile"
+if ! is_linux; then
+	log_mustnot user_run $owner "echo 'user write forbidden' >> $testfile"
+fi
 log_must eval "echo 'root write allowed' >> $testfile"
 # We are still allowed to read and remove the file when READONLY is set.
 log_must user_run $owner cat $testfile
@@ -157,24 +173,23 @@ log_must user_run $owner rm $testfile
 #
 # REPARSE
 #
-# FIXME: does not work, not sure if broken or testing wrong
-#
+# not allowed to be changed
 
 #
 # SPARSE
 #
 log_must truncate -s 1m $testfile
-log_must chflags sparse $testfile
+log_must $changeflags sparse $testfile
 log_must hasflag sparse $testfile
-log_must chflags 0 $testfile
+log_must $changeflags 0 $testfile
 log_must hasflag - $testfile
 log_must rm $testfile
 log_must user_run $owner truncate -s 1m $testfile
-log_must user_run $owner chflags sparse $testfile
-log_mustnot user_run $other chflags nosparse $testfile
+log_must user_run $owner $changeflags sparse $testfile
+log_mustnot user_run $other $changeflags nosparse $testfile
 log_must hasflag sparse $testfile
-log_must user_run $owner chflags 0 $testfile
-log_mustnot user_run $other chflags sparse $testfile
+log_must user_run $owner $changeflags 0 $testfile
+log_mustnot user_run $other $changeflags sparse $testfile
 log_must hasflag - $testfile
 log_must user_run $owner rm $testfile
 
@@ -182,17 +197,17 @@ log_must user_run $owner rm $testfile
 # SYSTEM
 #
 log_must touch $testfile
-log_must chflags system $testfile
+log_must $changeflags system $testfile
 log_must hasflag system $testfile
-log_must chflags 0 $testfile
+log_must $changeflags 0 $testfile
 log_must hasflag - $testfile
 log_must rm $testfile
 log_must user_run $owner touch $testfile
-log_must user_run $owner chflags system $testfile
-log_mustnot user_run $other chflags nosystem $testfile
+log_must user_run $owner $changeflags system $testfile
+log_mustnot user_run $other $changeflags nosystem $testfile
 log_must hasflag system $testfile
-log_must user_run $owner chflags 0 $testfile
-log_mustnot user_run $other chflags system $testfile
+log_must user_run $owner $changeflags 0 $testfile
+log_mustnot user_run $other $changeflags system $testfile
 log_must hasflag - $testfile
 log_must user_run $owner rm $testfile
 
diff --git a/tests/zfs-tests/tests/functional/acl/off/dosmode_readonly_write.c b/tests/zfs-tests/tests/functional/acl/off/dosmode_readonly_write.c
index 372c3f7f64..0441d1c7b4 100644
--- a/tests/zfs-tests/tests/functional/acl/off/dosmode_readonly_write.c
+++ b/tests/zfs-tests/tests/functional/acl/off/dosmode_readonly_write.c
@@ -36,6 +36,11 @@
 #include <string.h>
 #include <unistd.h>
 
+#ifdef __linux__
+#include <stdint.h>
+#include <sys/fs/zfs.h>
+#endif
+
 int
 main(int argc, const char *argv[])
 {
@@ -51,8 +56,14 @@ main(int argc, const char *argv[])
 	fd = open(path, O_CREAT|O_RDWR, 0777);
 	if (fd == -1)
 		err(EXIT_FAILURE, "%s: open failed", path);
+#ifdef __linux__
+	uint64_t dosflags = ZFS_READONLY;
+	if (ioctl(fd, ZFS_IOC_SETDOSFLAGS, &dosflags) == -1)
+		err(EXIT_FAILURE, "%s: ZFS_IOC_SETDOSFLAGS failed", path);
+#else
 	if (chflags(path, UF_READONLY) == -1)
 		err(EXIT_FAILURE, "%s: chflags failed", path);
+#endif
 	if (write(fd, buf, strlen(buf)) == -1)
 		err(EXIT_FAILURE, "%s: write failed", path);
 	if (close(fd) == -1)
diff --git a/tests/zfs-tests/tests/functional/dos_attributes/Makefile.am b/tests/zfs-tests/tests/functional/dos_attributes/Makefile.am
new file mode 100644
index 0000000000..436bcdb1f3
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/dos_attributes/Makefile.am
@@ -0,0 +1,8 @@
+include $(top_srcdir)/config/Rules.am
+
+pkgdatadir = $(datadir)/@PACKAGE@/zfs-tests/tests/functional/dos_attributes
+dist_pkgdata_SCRIPTS = \
+    cleanup.ksh \
+    read_dos_attrs_001.ksh \
+    write_dos_attrs_001.ksh \
+    setup.ksh
diff --git a/tests/zfs-tests/tests/functional/dos_attributes/cleanup.ksh b/tests/zfs-tests/tests/functional/dos_attributes/cleanup.ksh
new file mode 100755
index 0000000000..3166bd6ec1
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/dos_attributes/cleanup.ksh
@@ -0,0 +1,34 @@
+#!/bin/ksh -p
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# Copyright (c) 2013 by Delphix. All rights reserved.
+#
+
+. $STF_SUITE/include/libtest.shlib
+
+default_cleanup
diff --git a/tests/zfs-tests/tests/functional/dos_attributes/read_dos_attrs_001.ksh b/tests/zfs-tests/tests/functional/dos_attributes/read_dos_attrs_001.ksh
new file mode 100755
index 0000000000..c36c018331
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/dos_attributes/read_dos_attrs_001.ksh
@@ -0,0 +1,60 @@
+#!/bin/ksh -p
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
+#
+
+. $STF_SUITE/include/libtest.shlib
+
+#
+# DESCRIPTION:
+#
+# Read additional file level attributes stored in upper half of z_pflags
+#
+# STARTEGY:
+#		1) Create a file
+#		2) Execute read_dos_attributes on the file we created
+#		3) Verify that read_dos_attributes exited successfully
+#
+
+verify_runnable "global"
+
+FILETOTEST="$TESTDIR/test_read_dos_attrs.txt"
+
+function cleanup
+{
+	rm -f $FILETOTEST
+}
+
+log_onexit cleanup
+
+log_must chmod 777 $TESTDIR
+log_must eval "echo 'This is a test file.' > $FILETOTEST"
+log_must read_dos_attributes $FILETOTEST
+
+log_pass "reading DOS attributes succeeded."
diff --git a/tests/zfs-tests/tests/functional/dos_attributes/setup.ksh b/tests/zfs-tests/tests/functional/dos_attributes/setup.ksh
new file mode 100755
index 0000000000..fc5cec3063
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/dos_attributes/setup.ksh
@@ -0,0 +1,35 @@
+#!/bin/ksh -p
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# Copyright (c) 2013 by Delphix. All rights reserved.
+#
+
+. $STF_SUITE/include/libtest.shlib
+
+DISK=${DISKS%% *}
+default_setup $DISK
diff --git a/tests/zfs-tests/tests/functional/dos_attributes/write_dos_attrs_001.ksh b/tests/zfs-tests/tests/functional/dos_attributes/write_dos_attrs_001.ksh
new file mode 100755
index 0000000000..9d66cd3575
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/dos_attributes/write_dos_attrs_001.ksh
@@ -0,0 +1,61 @@
+#!/bin/ksh -p
+#
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or http://www.opensolaris.org/os/licensing.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
+# Use is subject to license terms.
+#
+
+#
+# Copyright (c) 2013, 2016 by Delphix. All rights reserved.
+#
+
+. $STF_SUITE/include/libtest.shlib
+
+#
+# DESCRIPTION:
+#
+# Write additional file level attributes stored in upper half of z_pflags
+#
+# STARTEGY:
+#		1) Create a file
+#		2) Execute write_dos_attributes on the file we created
+#		3) Verify that write_dos_attributes exited successfully
+#
+
+verify_runnable "global"
+
+FILETOTEST="$TESTDIR/test_write_dos_attrs.txt"
+
+function cleanup
+{
+	rm -f $FILETOTEST
+}
+
+log_onexit cleanup
+
+log_must chmod 777 $TESTDIR
+log_must eval "echo 'This is a test file.' > $FILETOTEST"
+log_must write_dos_attributes offline $FILETOTEST
+log_must write_dos_attributes nooffline $FILETOTEST
+
+log_pass "writing DOS attributes succeeded."