X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=blobdiff_plain;f=include%2Fsys%2Ffs%2Fzfs.h;h=920ba770dd3d1a434b997ab00efdd46718091d52;hb=2e08aedba456dccddf6418908a55014e56cad226;hp=44aed133539244d8217420dec7161a0f3ed7a73e;hpb=4c0d8e50b99b4f3b4a9b7bc67ac7fc4e406f5755;p=zfs.git

diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h
index 44aed13..920ba77 100644
--- a/include/sys/fs/zfs.h
+++ b/include/sys/fs/zfs.h
@@ -785,7 +785,7 @@ typedef enum zfs_ioc {
 /*
  * zvol ioctl to get dataset name
  */
-#define BLKZNAME		_IO(0x12,125)
+#define BLKZNAME		_IOR(0x12,125,char[ZFS_MAXNAMELEN])
 
 /*
  * Internal SPA load state.  Used by FMA diagnosis engine.