Hi Chao,
On Tue, Sep 22, 2015 at 09:18:18PM +0800, Chao Yu wrote:
> We pass 'nfree' to has_not_enough_free_secs to check whether there is
> enough free section, but 'nfree' indicates the number of segment gced,
> should alter the value to section number.
Yeah, but I think we need to increase nfree only when an entire section is gced
completely, since sometimes nfree can be increased across sections.
Thanks,
>
> Signed-off-by: Chao Yu <chao2...@samsung.com>
> ---
> fs/f2fs/gc.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index e932740..7ad2a60 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -817,7 +817,8 @@ gc_more:
> if (unlikely(f2fs_cp_error(sbi)))
> goto stop;
>
> - if (gc_type == BG_GC && has_not_enough_free_secs(sbi, nfree)) {
> + if (gc_type == BG_GC &&
> + has_not_enough_free_secs(sbi, nfree / sbi->segs_per_sec)) {
> gc_type = FG_GC;
> if (__get_victim(sbi, &segno, gc_type) || prefree_segments(sbi))
> write_checkpoint(sbi, &cpc);
> @@ -839,7 +840,7 @@ gc_more:
> if (gc_type == FG_GC)
> sbi->cur_victim_sec = NULL_SEGNO;
>
> - if (has_not_enough_free_secs(sbi, nfree))
> + if (has_not_enough_free_secs(sbi, nfree / sbi->segs_per_sec))
> goto gc_more;
>
> if (gc_type == FG_GC)
> --
> 2.5.2
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