Stop using egrep

egrep is no longer in el10, so replace it with `grep -E` everywhere.

Signed-off-by: Auke Kok <auke.kok@versity.com>

kmod/src/Makefile

@@ -61,11 +61,11 @@ scoutfs-y +=			\
 #
 .PHONY: $(src)/check_exported_types
 $(src)/check_exported_types:
-	@if egrep '\<[us](8|16|32|64\>)' $(src)/format.h $(src)/ioctl.h; then \
+	@if grep -E '\<[us](8|16|32|64\>)' $(src)/format.h $(src)/ioctl.h; then \
 		echo "no raw types in exported headers, preface with __";     \
 		exit 1;							      \
 	fi
-	@if egrep '\<__packed\>' $(src)/format.h $(src)/ioctl.h; then \
+	@if grep -E '\<__packed\>' $(src)/format.h $(src)/ioctl.h; then \
 		echo "no __packed allowed in exported headers";     \
 		exit 1;							      \
 	fi

tests/funcs/filter.sh

@@ -236,7 +236,7 @@ t_filter_dmesg()
 	re="$re|File: /mnt/test.* PID:.* Comm: dd"
 	re="$re|dio_warn_stale_pagecache*"
 
-	egrep -v "($re)" | \
+	grep -v -E "($re)" | \
 		ignore_harmless_unwind_kasan_stack_oob | \
 		ignore_harmless_xfs_lockdep_warning
 }

utils/sparse.sh

@@ -71,7 +71,7 @@ else
 	m64=""
 fi
 
-sparse $m64 $include $search/include "$@" 2>&1 | egrep -v "($RE)" | tee .sparse.output
+sparse $m64 $include $search/include "$@" 2>&1 | grep -v -E "($RE)" | tee .sparse.output
 
 rm -f $defines