On 2017/4/11 8:13, Jaegeuk Kim wrote:
> Now we're doing SSR aggressively more than ever before, so once we reach to
> the reserved_segment, f2fs_balance_fs will call f2fs_gc, which triggers
> checkpoint everytime. We actually must avoid that.
>
> Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
> ---
> fs/f2fs/gc.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index e2f9b2b12b74..4a720f3394d9 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -966,7 +966,11 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background)
> * threshold, we can make them free by checkpoint. Then, we
> * secure free segments which doesn't need fggc any more.
> */
> - ret = write_checkpoint(sbi, &cpc);
> + if (prefree_segments(sbi)) {
> + ret = write_checkpoint(sbi, &cpc);
> + if (ret)
> + goto stop;
> + }
> if (ret)
> goto stop;
We don't need redundant check here?
Otherwise, this patchset looks good to me, anyway please add:
Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>
Thanks,
> if (has_not_enough_free_secs(sbi, 0, 0))
>
