[Buildroot] [PATCH 3/5] package/petitboot: poll removable devices

[Reza Arbab <arbab@linux.ibm.com>]

Add a udev rule to enable notification of media change events on
removable devices, so petitboot can dynamically adapt to them.

Signed-off-by: Reza Arbab <arbab@linux.ibm.com>
---
 package/petitboot/petitboot.mk               | 2 ++
 package/petitboot/removable-event-poll.rules | 3 +++
 2 files changed, 5 insertions(+)
 create mode 100644 package/petitboot/removable-event-poll.rules

diff --git a/package/petitboot/petitboot.mk b/package/petitboot/petitboot.mk
index 556d41230237..9326738aa038 100644
--- a/package/petitboot/petitboot.mk
+++ b/package/petitboot/petitboot.mk
@@ -57,6 +57,8 @@ define PETITBOOT_POST_INSTALL
 		$(TARGET_DIR)/etc/init.d/S15pb-discover
 	$(INSTALL) -D -m 0755 $(PETITBOOT_PKGDIR)/petitboot-console-ui.rules \
 		$(TARGET_DIR)/etc/udev/rules.d/petitboot-console-ui.rules
+	$(INSTALL) -D -m 0755 $(PETITBOOT_PKGDIR)/removable-event-poll.rules \
+		$(TARGET_DIR)/etc/udev/rules.d/removable-event-poll.rules
 	$(INSTALL) -D -m 0755 $(PETITBOOT_PKGDIR)/sysctl.conf \
 		$(TARGET_DIR)/etc/sysctl.d/petitboot.conf
 	mkdir -p $(TARGET_DIR)/usr/share/udhcpc/default.script.d/
diff --git a/package/petitboot/removable-event-poll.rules b/package/petitboot/removable-event-poll.rules
new file mode 100644
index 000000000000..57bb74d3c00c
--- /dev/null
+++ b/package/petitboot/removable-event-poll.rules
@@ -0,0 +1,3 @@
+# petitboot needs notification for media change events on removable devices,
+# which we only get if we've set the poll_msecs sysfs attribute.
+ACTION!="remove", ATTR{removable}=="1", ATTR{events_poll_msecs}="2000"
-- 
2.39.3

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