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From: John Baldwin <jhb@FreeBSD.org>
Date: Mon, 2 Oct 2017 23:12:02 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r324224 - head/sys/fs/cd9660
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Author: jhb
Date: Mon Oct  2 23:12:02 2017
New Revision: 324224
URL: https://svnweb.freebsd.org/changeset/base/324224

Log:
  Handle _PC_FILESIZEBITS and _PC_SYMLINK_MAX pathconf() requests in cd9660.
  
  cd9660 only supports symlinks with Rock Ridge extensions, so
  _PC_SYMLINK_MAX is conditional on Rock Ridge.
  
  Sponsored by:	Chelsio Communications

Modified:
  head/sys/fs/cd9660/cd9660_vnops.c

Modified: head/sys/fs/cd9660/cd9660_vnops.c
==============================================================================
--- head/sys/fs/cd9660/cd9660_vnops.c	Mon Oct  2 22:39:12 2017	(r324223)
+++ head/sys/fs/cd9660/cd9660_vnops.c	Mon Oct  2 23:12:02 2017	(r324224)
@@ -783,6 +783,9 @@ cd9660_pathconf(ap)
 {
 
 	switch (ap->a_name) {
+	case _PC_FILESIZEBITS:
+		*ap->a_retval = 32;
+		return (0);
 	case _PC_LINK_MAX:
 		*ap->a_retval = 1;
 		return (0);
@@ -792,6 +795,12 @@ cd9660_pathconf(ap)
 		else
 			*ap->a_retval = 37;
 		return (0);
+	case _PC_SYMLINK_MAX:
+		if (VTOI(ap->a_vp)->i_mnt->iso_ftype == ISO_FTYPE_RRIP) {
+			*ap->a_retval = MAXPATHLEN;
+			return (0);
+		}
+		return (EINVAL);
 	case _PC_NO_TRUNC:
 		*ap->a_retval = 1;
 		return (0);