This work is inspired by the report on linux-nvme mailing list.
disk-activity trigger not working for nvme disk:
http://lists.infradead.org/pipermail/linux-nvme/2019-July/025253.html
This LED block device activity trigger works with any block devices.
* v2
- Remove "move declaration of led_stop_software_blink() to linux/leds.h" patch
- Move the trigger implementation to drivers/leds/trigger
- s/blk_ledtrig/ledtrig_blk/
- Add CONFIG_LEDS_TRIGGER_BLOCK
- Fix wrong bitops usages
- Add interface to stop and restart polling disk stats
- Stop polling disk stats for scsi disk during runtime suspend
Akinobu Mita (3):
block: introduce LED block device activity trigger
ledtrig-blk: add interface to stop and restart polling disk stats
scsi: sd: stop polling disk stats by ledtrig-blk during runtime
suspend
block/genhd.c | 2 +
drivers/leds/trigger/Kconfig | 7 +
drivers/leds/trigger/Makefile | 1 +
drivers/leds/trigger/ledtrig-blk.c | 258 +++++++++++++++++++++++++++++++++++++
drivers/scsi/sd.c | 40 +++---
include/linux/genhd.h | 3 +
include/linux/leds.h | 38 ++++++
7 files changed, 332 insertions(+), 17 deletions(-)
create mode 100644 drivers/leds/trigger/ledtrig-blk.c
Cc: Frank Steiner <[email protected]>
Cc: Jacek Anaszewski <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Dan Murphy <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: "James E.J. Bottomley" <[email protected]>
Cc: "Martin K. Petersen" <[email protected]>
--
2.7.4
