f2fs already addresses gc_urgent under discard, but still uses the default wait_ms.
To gain as many free segments as fast as possible, use 1 for wait_ms under gc_urgent for discards. Signed-off-by: Park Ju Hyung <[email protected]> --- fs/f2fs/segment.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 8dee063c833f..dece5ebfb8f0 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1685,7 +1685,8 @@ static int issue_discard_thread(void *data) wait_event_interruptible_timeout(*q, kthread_should_stop() || freezing(current) || dcc->discard_wake, - msecs_to_jiffies(wait_ms)); + msecs_to_jiffies((sbi->gc_mode == GC_URGENT) ? + 1 : wait_ms)); if (dcc->discard_wake) dcc->discard_wake = 0; -- 2.21.0 _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
