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Require gawk the usermode helper fails with awk

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For some reason when awk invoked by the usermode helper the command
always fails.  Interestingly gawk does not suffer from this problem
which is why I never observed this failure since the distro I tested
with all had gawk installed instead of awk.  Anyway, the simplest
thing to do here is to just make gawk mandatory.  I've added a
configure check for gawk specifically and have updated the command
to call gawk not awk.
This commit is contained in:
Brian Behlendorf 2010-07-01 16:20:11 -07:00
parent 7119bf7044
commit 1814251453
3 changed files with 39 additions and 4 deletions
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11
config/spl-build.m4
View File

@ -191,7 +191,16 @@ AC_DEFUN([SPL_AC_KERNEL], [
dnl #
dnl # Default SPL user configuration
dnl #
AC_DEFUN([SPL_AC_CONFIG_USER], [])
AC_DEFUN([SPL_AC_CONFIG_USER], [
dnl # Explicitly check for gawk, we require it for the the usermode
dnl # helper. For some reason the standard awk command does not
dnl # behave correctly when invoked from the usermode helper.
AS_IF([test "x$AWK" != xgawk], [
AC_MSG_ERROR([
*** Required util gawk missing. Please install the required
*** gawk package for your distribution and try again.])
])
])
AC_DEFUN([SPL_AC_LICENSE], [
AC_MSG_CHECKING([spl license])

30
configure vendored
View File

@ -14988,7 +14988,20 @@ _ACEOF
;;
user) ;;
user)
if test "x$AWK" != xgawk; then
{ { $as_echo "$as_me:$LINENO: error:
*** Required util gawk missing. Please install the required
*** gawk package for your distribution and try again." >&5
$as_echo "$as_me: error:
*** Required util gawk missing. Please install the required
*** gawk package for your distribution and try again." >&2;}
{ (exit 1); exit 1; }; }
fi
;;
all)
@ -18501,7 +18514,20 @@ _ACEOF
;;
if test "x$AWK" != xgawk; then
{ { $as_echo "$as_me:$LINENO: error:
*** Required util gawk missing. Please install the required
*** gawk package for your distribution and try again." >&5
$as_echo "$as_me: error:
*** Required util gawk missing. Please install the required
*** gawk package for your distribution and try again." >&2;}
{ (exit 1); exit 1; }; }
fi
;;
srpm) ;;
*)
{ $as_echo "$as_me:$LINENO: result: Error!" >&5

2
module/spl/spl-generic.c
View File

@ -338,7 +338,7 @@ EXPORT_SYMBOL(zone_get_hostid);
* the requested address.
*/
#define GET_KALLSYMS_ADDR_CMD \
"awk '{ if ( $3 == \"kallsyms_lookup_name\") { print $1 } }' " \
"gawk '{ if ( $3 == \"kallsyms_lookup_name\") { print $1 } }' " \
"/proc/kallsyms >/proc/sys/kernel/spl/kallsyms_lookup_name"
static int