f2fs_gc returns -EINVAL via f2fs_balance_fs when there is enough free secs after write checkpoint, but with gc_merge enabled, it will cause the sleep time of gc thread to be set to no_gc_sleep_time even if there are many dirty segments can be selected.
Signed-off-by: qixiaoyu1 <qixiao...@xiaomi.com> --- fs/f2fs/gc.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index d5fb426e0747..e2f8a2dae908 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -150,8 +150,11 @@ static int gc_thread_func(void *data) gc_control.nr_free_secs = foreground ? 1 : 0; /* if return value is not zero, no victim was selected */ - if (f2fs_gc(sbi, &gc_control)) - wait_ms = gc_th->no_gc_sleep_time; + if (f2fs_gc(sbi, &gc_control)) { + /* don't bother wait_ms by foreground gc */ + if (!foreground) + wait_ms = gc_th->no_gc_sleep_time; + } if (foreground) wake_up_all(&gc_th->fggc_wq); -- 2.36.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel