Message ID | 1487681028-19410-1-git-send-email-yunlong.song@huawei.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Ping... Since has_not_enough_free_secs(sbi, 0, 0) must be true if has_not_enough_free_secs(sbi, sec_freed, 0) is true, write_checkpoint is sure to execute in both conditions, and segno is NULL_SEGNO in both conditions. On 2017/2/21 20:43, Yunlong Song wrote: > Signed-off-by: Yunlong Song <yunlong.song@huawei.com> > --- > fs/f2fs/gc.c | 16 ++++------------ > 1 file changed, 4 insertions(+), 12 deletions(-) > > diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c > index 88e5e7b..e5f2569 100644 > --- a/fs/f2fs/gc.c > +++ b/fs/f2fs/gc.c > @@ -943,23 +943,15 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background) > * enough free sections, we should flush dent/node blocks and do > * garbage collections. > */ > - if (__get_victim(sbi, &segno, gc_type) || > - prefree_segments(sbi)) { > - ret = write_checkpoint(sbi, &cpc); > - if (ret) > - goto stop; > - segno = NULL_SEGNO; > - } else if (has_not_enough_free_secs(sbi, 0, 0)) { > - ret = write_checkpoint(sbi, &cpc); > - if (ret) > - goto stop; > - } > + ret = write_checkpoint(sbi, &cpc); > + if (ret) > + goto stop; > } else if (gc_type == BG_GC && !background) { > /* f2fs_balance_fs doesn't need to do BG_GC in critical path. */ > goto stop; > } > > - if (segno == NULL_SEGNO && !__get_victim(sbi, &segno, gc_type)) > + if (!__get_victim(sbi, &segno, gc_type)) > goto stop; > ret = 0; >
3On 2017/2/21 20:43, Yunlong Song wrote: > Signed-off-by: Yunlong Song <yunlong.song@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com>
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index 88e5e7b..e5f2569 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -943,23 +943,15 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background) * enough free sections, we should flush dent/node blocks and do * garbage collections. */ - if (__get_victim(sbi, &segno, gc_type) || - prefree_segments(sbi)) { - ret = write_checkpoint(sbi, &cpc); - if (ret) - goto stop; - segno = NULL_SEGNO; - } else if (has_not_enough_free_secs(sbi, 0, 0)) { - ret = write_checkpoint(sbi, &cpc); - if (ret) - goto stop; - } + ret = write_checkpoint(sbi, &cpc); + if (ret) + goto stop; } else if (gc_type == BG_GC && !background) { /* f2fs_balance_fs doesn't need to do BG_GC in critical path. */ goto stop; } - if (segno == NULL_SEGNO && !__get_victim(sbi, &segno, gc_type)) + if (!__get_victim(sbi, &segno, gc_type)) goto stop; ret = 0;
Signed-off-by: Yunlong Song <yunlong.song@huawei.com> --- fs/f2fs/gc.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-)