Commit 5f656541 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: issue discard commands if gc_urgent is set 



It's time to issue all the discard commands, if user sets the idle time.

Reviewed-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 969d1b18

fs/f2fs/segment.c

+5 −1
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include "f2fs.h"

#include "segment.h"

#include "node.h"

#include "gc.h"

#include "trace.h"

#include <trace/events/f2fs.h>
@@ -1194,8 +1195,11 @@ static int issue_discard_thread(void *data) 
		if (kthread_should_stop())

			return 0;



		if (dcc->discard_wake)

		if (dcc->discard_wake) {

			dcc->discard_wake = 0;

			if (sbi->gc_thread && sbi->gc_thread->gc_urgent)

				mark_discard_range_all(sbi);

		}



		sb_start_intwrite(sbi->sb);

fs/f2fs/sysfs.c

+5 −0
Original line number Diff line number Diff line
@@ -178,8 +178,13 @@ static ssize_t f2fs_sbi_store(struct f2fs_attr *a, 
	if (!strcmp(a->attr.name, "iostat_enable") && *ui == 0)

		f2fs_reset_iostat(sbi);

	if (!strcmp(a->attr.name, "gc_urgent") && t == 1 && sbi->gc_thread) {

		struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;



		sbi->gc_thread->gc_wake = 1;

		wake_up_interruptible_all(&sbi->gc_thread->gc_wait_queue_head);



		dcc->discard_wake = 1;

		wake_up_interruptible_all(&dcc->discard_wait_queue);

	}



	return count;