diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 670da1e55be70adc17539d21a7bf066d0383b6fd..26b1c1dc93f6ef20c8c3d23fc57db320478cc923 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -853,6 +853,8 @@ struct cifs_tcon {
 	__u32 maximal_access;
 	__u32 vol_serial_number;
 	__le64 vol_create_time;
+	__u32 ss_flags;		/* sector size flags */
+	__u32 perf_sector_size; /* best sector size for perf */
 #endif /* CONFIG_CIFS_SMB2 */
 #ifdef CONFIG_CIFS_FSCACHE
 	u64 resource_id;		/* server resource id */
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 79084d67f3fb2293b3ebc87608818bf9f6d5dc0c..25759c89619afc8db723fad67b549eefdc85f900 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -209,6 +209,36 @@ smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
 	return rsize;
 }
 
+static void
+smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon)
+{
+	int rc;
+	__le16 srch_path = 0; /* Null - open root of share */
+	u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
+	struct cifs_open_parms oparms;
+	struct cifs_fid fid;
+
+	oparms.tcon = tcon;
+	oparms.desired_access = FILE_READ_ATTRIBUTES;
+	oparms.disposition = FILE_OPEN;
+	oparms.create_options = 0;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL);
+	if (rc)
+		return;
+
+	SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid,
+			FS_ATTRIBUTE_INFORMATION);
+	SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid,
+			FS_DEVICE_INFORMATION);
+	SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid,
+			FS_SECTOR_SIZE_INFORMATION); /* SMB3 specific */
+	SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
+	return;
+}
+
 static void
 smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon)
 {
@@ -332,7 +362,19 @@ smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon)
 		seq_puts(m, " ASYMMETRIC,");
 	if (tcon->capabilities == 0)
 		seq_puts(m, " None");
+	if (tcon->ss_flags & SSINFO_FLAGS_ALIGNED_DEVICE)
+		seq_puts(m, " Aligned,");
+	if (tcon->ss_flags & SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE)
+		seq_puts(m, " Partition Aligned,");
+	if (tcon->ss_flags & SSINFO_FLAGS_NO_SEEK_PENALTY)
+		seq_puts(m, " SSD,");
+	if (tcon->ss_flags & SSINFO_FLAGS_TRIM_ENABLED)
+		seq_puts(m, " TRIM-support,");
+
 	seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags);
+	if (tcon->perf_sector_size)
+		seq_printf(m, "\tOptimal sector size: 0x%x",
+			   tcon->perf_sector_size);
 }
 
 static void
@@ -1048,7 +1090,7 @@ struct smb_version_operations smb30_operations = {
 	.logoff = SMB2_logoff,
 	.tree_connect = SMB2_tcon,
 	.tree_disconnect = SMB2_tdis,
-	.qfs_tcon = smb2_qfs_tcon,
+	.qfs_tcon = smb3_qfs_tcon,
 	.is_path_accessible = smb2_is_path_accessible,
 	.can_echo = smb2_can_echo,
 	.echo = SMB2_echo,
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 7887cf50e5fb101cb0bba642eb1f91734ee28aa0..8ab05b0d6778f99343d5740ff037ccbfad7bbef8 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2373,8 +2373,11 @@ SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
 	} else if (level == FS_ATTRIBUTE_INFORMATION) {
 		max_len = sizeof(FILE_SYSTEM_ATTRIBUTE_INFO);
 		min_len = MIN_FS_ATTR_INFO_SIZE;
+	} else if (level == FS_SECTOR_SIZE_INFORMATION) {
+		max_len = sizeof(struct smb3_fs_ss_info);
+		min_len = sizeof(struct smb3_fs_ss_info);
 	} else {
-		cifs_dbg(FYI, "Invalid qfsinfo level %d", level);
+		cifs_dbg(FYI, "Invalid qfsinfo level %d\n", level);
 		return -EINVAL;
 	}
 
@@ -2403,6 +2406,13 @@ SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
 	else if (level == FS_DEVICE_INFORMATION)
 		memcpy(&tcon->fsDevInfo, 4 /* RFC1001 len */ + offset
 			+ (char *)&rsp->hdr, sizeof(FILE_SYSTEM_DEVICE_INFO));
+	else if (level == FS_SECTOR_SIZE_INFORMATION) {
+		struct smb3_fs_ss_info *ss_info = (struct smb3_fs_ss_info *)
+			(4 /* RFC1001 len */ + offset + (char *)&rsp->hdr);
+		tcon->ss_flags = le32_to_cpu(ss_info->Flags);
+		tcon->perf_sector_size =
+			le32_to_cpu(ss_info->PhysicalBytesPerSectorForPerf);
+	}
 
 qfsattr_exit:
 	free_rsp_buf(resp_buftype, iov.iov_base);
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index c7c3c8294d1af18277e8123ae9f01aee6de8f49a..7e44f18cc169ee3053f8fe8ca439cc45295ded63 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -877,14 +877,16 @@ struct smb2_lease_ack {
 
 /* File System Information Classes */
 #define FS_VOLUME_INFORMATION		1 /* Query */
-#define FS_LABEL_INFORMATION		2 /* Set */
+#define FS_LABEL_INFORMATION		2 /* Local only */
 #define FS_SIZE_INFORMATION		3 /* Query */
 #define FS_DEVICE_INFORMATION		4 /* Query */
 #define FS_ATTRIBUTE_INFORMATION	5 /* Query */
 #define FS_CONTROL_INFORMATION		6 /* Query, Set */
 #define FS_FULL_SIZE_INFORMATION	7 /* Query */
 #define FS_OBJECT_ID_INFORMATION	8 /* Query, Set */
-#define FS_DRIVER_PATH_INFORMATION	9 /* Query */
+#define FS_DRIVER_PATH_INFORMATION	9 /* Local only */
+#define FS_VOLUME_FLAGS_INFORMATION	10 /* Local only */
+#define FS_SECTOR_SIZE_INFORMATION	11 /* SMB3 or later. Query */
 
 struct smb2_fs_full_size_info {
 	__le64 TotalAllocationUnits;
@@ -894,6 +896,22 @@ struct smb2_fs_full_size_info {
 	__le32 BytesPerSector;
 } __packed;
 
+#define SSINFO_FLAGS_ALIGNED_DEVICE		0x00000001
+#define SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE 0x00000002
+#define SSINFO_FLAGS_NO_SEEK_PENALTY		0x00000004
+#define SSINFO_FLAGS_TRIM_ENABLED		0x00000008
+
+/* sector size info struct */
+struct smb3_fs_ss_info {
+	__le32 LogicalBytesPerSector;
+	__le32 PhysicalBytesPerSectorForAtomicity;
+	__le32 PhysicalBytesPerSectorForPerf;
+	__le32 FileSystemEffectivePhysicalBytesPerSectorForAtomicity;
+	__le32 Flags;
+	__le32 ByteOffsetForSectorAlignment;
+	__le32 ByteOffsetForPartitionAlignment;
+} __packed;
+
 /* partial list of QUERY INFO levels */
 #define FILE_DIRECTORY_INFORMATION	1
 #define FILE_FULL_DIRECTORY_INFORMATION 2