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From:   Thiago Becker <tbecker@redhat.com>
To:     linux-nfs@vger.kernel.org
Cc:     steved@redhat.com, trond.myklebust@hammerspace.com,
        anna.schumaker@netapp.com, kolga@netapp.com,
        Thiago Becker <tbecker@redhat.com>
Subject: [PATCH RFC v3 2/6] nfsrahead: configure udev
Date:   Wed, 23 Mar 2022 17:18:37 -0300
Message-Id: <20220323201841.4166549-3-tbecker@redhat.com>
In-Reply-To: <20220323201841.4166549-1-tbecker@redhat.com>
References: <20220323201841.4166549-1-tbecker@redhat.com>
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Set the udev rule to call the readahead utility.

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1946283
Signed-off-by: Thiago Becker <tbecker@redhat.com>
---
 .gitignore                          | 1 +
 tools/nfsrahead/99-nfs_bdi.rules.in | 1 +
 tools/nfsrahead/Makefile.am         | 8 ++++++++
 3 files changed, 10 insertions(+)
 create mode 100644 tools/nfsrahead/99-nfs_bdi.rules.in

diff --git a/.gitignore b/.gitignore
index 38ab1d39..df791a83 100644
--- a/.gitignore
+++ b/.gitignore
@@ -62,6 +62,7 @@ tools/locktest/testlk
 tools/getiversion/getiversion
 tools/nfsconf/nfsconf
 tools/nfsrahead/nfsrahead
+tools/nfsrahead/99-nfs_bdi.rules
 support/export/mount.h
 support/export/mount_clnt.c
 support/export/mount_xdr.c
diff --git a/tools/nfsrahead/99-nfs_bdi.rules.in b/tools/nfsrahead/99-nfs_bdi.rules.in
new file mode 100644
index 00000000..7d55b407
--- /dev/null
+++ b/tools/nfsrahead/99-nfs_bdi.rules.in
@@ -0,0 +1 @@
+SUBSYSTEM=="bdi", ACTION=="add", PROGRAM="_libexecdir_/nfsrahead", ATTR{read_ahead_kb}="%c"
diff --git a/tools/nfsrahead/Makefile.am b/tools/nfsrahead/Makefile.am
index edff7921..b598bec3 100644
--- a/tools/nfsrahead/Makefile.am
+++ b/tools/nfsrahead/Makefile.am
@@ -1,3 +1,11 @@
 libexec_PROGRAMS = nfsrahead
 nfsrahead_SOURCES = main.c
 
+udev_rulesdir = /etc/udev/rules.d
+udev_rules_DATA = 99-nfs_bdi.rules
+
+99-nfs_bdi.rules: 99-nfs_bdi.rules.in $(builddefs)
+	$(SED) "s|_libexecdir_|@libexecdir@|g" 99-nfs_bdi.rules.in > $@
+
+clean-local:
+	$(RM) 99-nfs_bdi.rules
-- 
2.35.1