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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: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2017-08-15 21:27:19 -07:00
parent 969d1b180d
commit 5f656541ff
2 changed files with 10 additions and 1 deletions
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6
fs/f2fs/segment.c
View File

@ -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);

5
fs/f2fs/sysfs.c
View File

@ -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;