[merged mm-stable] selftests-damon-sysfs-test-filters-directory.patch removed from -mm tree

[merged mm-stable] selftests-damon-sysfs-test-filters-directory.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: selftests/damon/sysfs: test filters directory
has been removed from the -mm tree.  Its filename was
     selftests-damon-sysfs-test-filters-directory.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: SeongJae Park <sj@kernel.org>
Subject: selftests/damon/sysfs: test filters directory
Date: Mon, 5 Dec 2022 23:08:28 +0000

Add simple test cases for scheme filters of DAMON sysfs interface.  The
test cases check if the files are populated as expected, receives some
valid inputs, and refuses some invalid inputs.

Link: https://lkml.kernel.org/r/20221205230830.144349-10-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 tools/testing/selftests/damon/sysfs.sh |   29 +++++++++++++++++++++++
 1 file changed, 29 insertions(+)

--- a/tools/testing/selftests/damon/sysfs.sh~selftests-damon-sysfs-test-filters-directory
+++ a/tools/testing/selftests/damon/sysfs.sh
@@ -96,6 +96,34 @@ test_stats()
 	done
 }
 
+test_filter()
+{
+	filter_dir=$1
+	ensure_file "$filter_dir/type" "exist" "600"
+	ensure_write_succ "$filter_dir/type" "anon" "valid input"
+	ensure_write_succ "$filter_dir/type" "memcg" "valid input"
+	ensure_write_fail "$filter_dir/type" "foo" "invalid input"
+	ensure_file "$filter_dir/matching" "exist" "600"
+	ensure_file "$filter_dir/memcg_path" "exist" "600"
+}
+
+test_filters()
+{
+	filters_dir=$1
+	ensure_dir "$filters_dir" "exist"
+	ensure_file "$filters_dir/nr_filters" "exist" "600"
+	ensure_write_succ  "$filters_dir/nr_filters" "1" "valid input"
+	test_filter "$filters_dir/0"
+
+	ensure_write_succ  "$filters_dir/nr_filters" "2" "valid input"
+	test_filter "$filters_dir/0"
+	test_filter "$filters_dir/1"
+
+	ensure_write_succ "$filters_dir/nr_filters" "0" "valid input"
+	ensure_dir "$filters_dir/0" "not_exist"
+	ensure_dir "$filters_dir/1" "not_exist"
+}
+
 test_watermarks()
 {
 	watermarks_dir=$1
@@ -143,6 +171,7 @@ test_scheme()
 	test_access_pattern "$scheme_dir/access_pattern"
 	test_quotas "$scheme_dir/quotas"
 	test_watermarks "$scheme_dir/watermarks"
+	test_filters "$scheme_dir/filters"
 	test_stats "$scheme_dir/stats"
 	test_tried_regions "$scheme_dir/tried_regions"
 }
_

Patches currently in -mm which might be from sj@kernel.org are

mm-damon-core-update-kernel-doc-comments-for-damos-action-supports-of-each-damon-operations-set.patch
mm-damon-core-update-kernel-doc-comments-for-damos-filters-supports-of-each-damon-operations-set.patch
docs-mm-damon-index-mention-damos-on-the-intro.patch
docs-admin-guide-mm-damon-usage-update-damos-actions-filters-supports-of-each-damon-operations-set.patch
docs-mm-damon-add-a-maintainer-profile-for-damon.patch
maintainers-damon-link-maintainer-profile-git-trees-and-website.patch
selftests-damon-sysfs-hide-expected-write-failures.patch
selftests-damon-debugfs_rm_non_contexts-hide-expected-write-error-messages.patch
scripts-spelling-add-a-few-more-typos.patch