From 0245b3e787dc3267a915e1f56419e7e9c197e148 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Sun, 30 Oct 2005 15:00:01 -0800 Subject: [PATCH] swsusp: two simplifications The following patch simplifies the progress meter in disk.c:free_some_memory() and makes disk.c:pm_suspend_disk() call device_resume() explicitly in the suspend path. Signed-off-by: Rafael J. Wysocki Acked-by: Pavel Machek Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/power/disk.c | 8 ++------ kernel/power/swsusp.c | 2 +- 2 files changed, 3 insertions(+), 7 deletions(-) (limited to 'kernel') diff --git a/kernel/power/disk.c b/kernel/power/disk.c index 44ef5e799df..027322a564f 100644 --- a/kernel/power/disk.c +++ b/kernel/power/disk.c @@ -92,10 +92,7 @@ static void free_some_memory(void) printk("Freeing memory... "); while ((tmp = shrink_all_memory(10000))) { pages += tmp; - printk("\b%c", p[i]); - i++; - if (i > 3) - i = 0; + printk("\b%c", p[i++ % 4]); } printk("\bdone (%li pages freed)\n", pages); } @@ -177,13 +174,12 @@ int pm_suspend_disk(void) goto Done; if (in_suspend) { + device_resume(); pr_debug("PM: writing image.\n"); error = swsusp_write(); if (!error) power_down(pm_disk_mode); else { - /* swsusp_write can not fail in device_resume, - no need to do second device_resume */ swsusp_free(); unprepare_processes(); return error; diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index ae8425b69b4..12db1d2ad61 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -562,7 +562,7 @@ int enough_swap(unsigned nr_pages) int swsusp_write(void) { int error; - device_resume(); + lock_swapdevices(); error = write_suspend_image(); /* This will unlock ignored swap devices since writing is finished */ -- cgit v1.2.3