add ufs_pathconf

SCCS-vsn: sys/ufs/ffs/ufs_vnops.c 7.120
SCCS-vsn: sys/ufs/ufs/ufs_vnops.c 7.120

diff --git a/usr/src/sys/ufs/ffs/ufs_vnops.c b/usr/src/sys/ufs/ffs/ufs_vnops.c
index 005590e..d5bc891 100644 (file)
--- a/usr/src/sys/ufs/ffs/ufs_vnops.c
+++ b/usr/src/sys/ufs/ffs/ufs_vnops.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)ufs_vnops.c 7.119 (Berkeley) %G%
+ *     @(#)ufs_vnops.c 7.120 (Berkeley) %G%

  */
 
 #include <sys/param.h>
  */
 
 #include <sys/param.h>


@@ -1886,6 +1886,42 @@ ufsfifo_close(ap)
 }
 #endif /* FIFO */
 
 }
 #endif /* FIFO */
 

+/*
+ * Return POSIX pathconf information applicable to ufs filesystems.
+ */
+ufs_pathconf(ap)
+       struct vop_pathconf_args /* {
+               struct vnode *a_vp;
+               int a_name;
+               int *a_retval;
+       } */ *ap;
+{
+
+       switch (ap->a_name) {
+       case _PC_LINK_MAX:
+               *ap->a_retval = LINK_MAX;
+               return (0);
+       case _PC_NAME_MAX:
+               *ap->a_retval = NAME_MAX;
+               return (0);
+       case _PC_PATH_MAX:
+               *ap->a_retval = PATH_MAX;
+               return (0);
+       case _PC_PIPE_BUF:
+               *ap->a_retval = PIPE_BUF;
+               return (0);
+       case _PC_CHOWN_RESTRICTED:
+               *ap->a_retval = 1;
+               return (0);
+       case _PC_NO_TRUNC:
+               *ap->a_retval = 1;
+               return (0);
+       default:
+               return (EINVAL);
+       }
+       /* NOTREACHED */
+}
+

 /*
  * Advisory record locking support
  */
 /*
  * Advisory record locking support
  */

diff --git a/usr/src/sys/ufs/ufs/ufs_vnops.c b/usr/src/sys/ufs/ufs/ufs_vnops.c
index 005590e..d5bc891 100644 (file)
--- a/usr/src/sys/ufs/ufs/ufs_vnops.c
+++ b/usr/src/sys/ufs/ufs/ufs_vnops.c
@@ -4,7 +4,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)ufs_vnops.c 7.119 (Berkeley) %G%
+ *     @(#)ufs_vnops.c 7.120 (Berkeley) %G%

  */
 
 #include <sys/param.h>
  */
 
 #include <sys/param.h>


@@ -1886,6 +1886,42 @@ ufsfifo_close(ap)
 }
 #endif /* FIFO */
 
 }
 #endif /* FIFO */
 

+/*
+ * Return POSIX pathconf information applicable to ufs filesystems.
+ */
+ufs_pathconf(ap)
+       struct vop_pathconf_args /* {
+               struct vnode *a_vp;
+               int a_name;
+               int *a_retval;
+       } */ *ap;
+{
+
+       switch (ap->a_name) {
+       case _PC_LINK_MAX:
+               *ap->a_retval = LINK_MAX;
+               return (0);
+       case _PC_NAME_MAX:
+               *ap->a_retval = NAME_MAX;
+               return (0);
+       case _PC_PATH_MAX:
+               *ap->a_retval = PATH_MAX;
+               return (0);
+       case _PC_PIPE_BUF:
+               *ap->a_retval = PIPE_BUF;
+               return (0);
+       case _PC_CHOWN_RESTRICTED:
+               *ap->a_retval = 1;
+               return (0);
+       case _PC_NO_TRUNC:
+               *ap->a_retval = 1;
+               return (0);
+       default:
+               return (EINVAL);
+       }
+       /* NOTREACHED */
+}
+

 /*
  * Advisory record locking support
  */
 /*
  * Advisory record locking support
  */