smb3: Add missing reparse tags

Additional reparse tags were described for WSL and file sync.
Add missing defines for these tags. Some will be useful for
POSIX extensions (as discussed at Storage Developer Conference).

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>

diff --git a/fs/cifs/smbfsctl.h b/fs/cifs/smbfsctl.h
index 08628e6a42aca986d74f017e43d6d43aa7e61533..1ff28529cf4b59125bb0c05a01c05944c2db5a7c 100644 (file)
--- a/fs/cifs/smbfsctl.h
+++ b/fs/cifs/smbfsctl.h
@@ -144,6 +144,17 @@
 #define IO_REPARSE_APPXSTREAM       0xC0000014
 /* NFS symlinks, Win 8/SMB3 and later */
 #define IO_REPARSE_TAG_NFS           0x80000014
+/*
+ * AzureFileSync - see
+ * https://docs.microsoft.com/en-us/azure/storage/files/storage-sync-cloud-tiering
+ */
+#define IO_REPARSE_TAG_AZ_FILE_SYNC  0x8000001e
+/* WSL reparse tags */
+#define IO_REPARSE_TAG_LX_SYMLINK    0xA000001D
+#define IO_REPARSE_TAG_AF_UNIX      0x80000023
+#define IO_REPARSE_TAG_LX_FIFO      0x80000024
+#define IO_REPARSE_TAG_LX_CHR       0x80000025
+#define IO_REPARSE_TAG_LX_BLK       0x80000026
 
 /* fsctl flags */
 /* If Flags is set to this value, the request is an FSCTL not ioctl request */