Messages in this thread Patch in this message | | | Subject | [PATCH 11/12] LED: Add IDE disk activity LED trigger | From | Richard Purdie <> | Date | Sun, 05 Feb 2006 15:54:53 +0000 |
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Add an LED trigger for IDE disk activity to the ide-disk driver.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
Index: linux-2.6.15/drivers/ide/ide-disk.c =================================================================== --- linux-2.6.15.orig/drivers/ide/ide-disk.c 2006-02-04 13:35:37.000000000 +0000 +++ linux-2.6.15/drivers/ide/ide-disk.c 2006-02-04 15:17:18.000000000 +0000 @@ -60,6 +60,7 @@ #include <linux/genhd.h> #include <linux/slab.h> #include <linux/delay.h> +#include <linux/leds.h> #define _IDE_DISK @@ -80,6 +81,8 @@ static DECLARE_MUTEX(idedisk_ref_sem); +INIT_LED_TRIGGER(ide_led_trigger); + #define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref) #define ide_disk_g(disk) \ @@ -311,10 +314,12 @@ if (!blk_fs_request(rq)) { blk_dump_rq_flags(rq, "ide_do_rw_disk - bad command"); - ide_end_request(drive, 0, 0); + ide_end_rw_disk(drive, 0, 0); return ide_stopped; } + led_trigger_event(ide_led_trigger, LED_FULL); + pr_debug("%s: %sing: block=%llu, sectors=%lu, buffer=0x%08lx\n", drive->name, rq_data_dir(rq) == READ ? "read" : "writ", block, rq->nr_sectors, (unsigned long)rq->buffer); @@ -325,6 +330,12 @@ return __ide_do_rw_disk(drive, rq, block); } +static int ide_end_rw_disk(ide_drive_t *drive, int uptodate, int nr_sectors) +{ + led_trigger_event(ide_led_trigger, LED_OFF); + ide_end_request(drive, uptodate, nr_sectors); +} + /* * Queries for true maximum capacity of the drive. * Returns maximum LBA address (> 0) of the drive, 0 if failed. @@ -1097,7 +1108,7 @@ .media = ide_disk, .supports_dsc_overlap = 0, .do_request = ide_do_rw_disk, - .end_request = ide_end_request, + .end_request = ide_end_rw_disk, .error = __ide_error, .abort = __ide_abort, .proc = idedisk_proc, @@ -1259,11 +1270,13 @@ static void __exit idedisk_exit (void) { + led_trigger_unregister_simple(ide_led_trigger); driver_unregister(&idedisk_driver.gen_driver); } static int __init idedisk_init(void) { + led_trigger_register_simple("ide-disk", &ide_led_trigger); return driver_register(&idedisk_driver.gen_driver); }
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