2013-01-30 (수), 22:47 +0900, Namjae Jeon: > From: Namjae Jeon <namjae.j...@samsung.com> > > After doing a write_checkpoint from garbage collection path if there is still > need to do more garbage collection, gc_more label is used to jump and start > the process again. And in that process, first step before getting victim is to > check if there are not enough free sections, which is already done before > doing a jump to gc_more. We can avoid the redundant call to check free > sections, by checking the gc_type flag which will remain FG_GC(value 1) under > this condition. > > Signed-off-by: Namjae Jeon <namjae.j...@samsung.com> > Signed-off-by: Amit Sahrawat <a.sahra...@samsung.com> > --- > fs/f2fs/gc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c > index 9b5d0aa..0dfdaa5 100644 > --- a/fs/f2fs/gc.c > +++ b/fs/f2fs/gc.c > @@ -672,7 +672,7 @@ gc_more: > if (!(sbi->sb->s_flags & MS_ACTIVE)) > goto stop; > > - if (has_not_enough_free_secs(sbi)) > + if (!gc_type && has_not_enough_free_secs(sbi))
I applied this patch with the following change:
if (gc_type == BG_GC && has_not_enough_free_secs(sbi))
Thank you. :)
> gc_type = FG_GC;
>
> if (!__get_victim(sbi, &segno, gc_type, NO_CHECK_TYPE))
--
Jaegeuk Kim
Samsung
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