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Date: Tue, 16 Apr 2024 16:51:56 +0000
From: Jaegeuk Kim <jaegeuk@kernel.org>
To: Chao Yu <chao@kernel.org>
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Subject: Re: [f2fs-dev] [PATCH v3] f2fs: zone: don't block IO if there is
 remained open zone
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On 04/16, Chao Yu wrote:
> On 2024/4/15 22:01, Chao Yu wrote:
> > On 2024/4/15 11:26, Chao Yu wrote:
> > > On 2024/4/14 23:19, Jaegeuk Kim wrote:
> > > > It seems this caused kernel hang. Chao, have you tested this patch =
enough?
> > > =

> > > Jaegeuk,
> > > =

> > > Oh, I've checked this patch w/ fsstress before submitting it, but mis=
sed
> > > the SPO testcase... do you encounter kernel hang w/ SPO testcase?
> > =

> > I did see any hang issue w/ por_fsstress testcase, which testcase do yo=
u use?
> =

> Sorry, I mean I haven't reproduced it yet...

I'd prefer to check this patch later. Have you tested on Zoned device with
nullblk?

> =

> Thanks,
> =

> > =

> > Thanks,
> > =

> > > =

> > > Anyway, let me test it more.
> > > =

> > > Thanks,
> > > =

> > > > =

> > > > On 04/13, Chao Yu wrote:
> > > > > On 2024/4/13 5:11, Jaegeuk Kim wrote:
> > > > > > On 04/07, Chao Yu wrote:
> > > > > > > max open zone may be larger than log header number of f2fs, f=
or
> > > > > > > such case, it doesn't need to wait last IO in previous zone, =
let's
> > > > > > > introduce available_open_zone semaphore, and reduce it once we
> > > > > > > submit first write IO in a zone, and increase it after comple=
tion
> > > > > > > of last IO in the zone.
> > > > > > > =

> > > > > > > Cc: Daeho Jeong <daeho43@gmail.com>
> > > > > > > Signed-off-by: Chao Yu <chao@kernel.org>
> > > > > > > ---
> > > > > > > v3:
> > > > > > > - avoid race condition in between __submit_merged_bio()
> > > > > > > and __allocate_new_segment().
> > > > > > > =A0=A0 fs/f2fs/data.c=A0=A0=A0 | 105 ++++++++++++++++++++++++=
++++++----------------
> > > > > > > =A0=A0 fs/f2fs/f2fs.h=A0=A0=A0 |=A0 34 ++++++++++++---
> > > > > > > =A0=A0 fs/f2fs/iostat.c=A0 |=A0=A0 7 ++++
> > > > > > > =A0=A0 fs/f2fs/iostat.h=A0 |=A0=A0 2 +
> > > > > > > =A0=A0 fs/f2fs/segment.c |=A0 43 ++++++++++++++++---
> > > > > > > =A0=A0 fs/f2fs/segment.h |=A0 12 +++++-
> > > > > > > =A0=A0 fs/f2fs/super.c=A0=A0 |=A0=A0 2 +
> > > > > > > =A0=A0 7 files changed, 156 insertions(+), 49 deletions(-)
> > > > > > > =

> > > > > > > diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> > > > > > > index 0d88649c60a5..18a4ac0a06bc 100644
> > > > > > > --- a/fs/f2fs/data.c
> > > > > > > +++ b/fs/f2fs/data.c
> > > > > > > @@ -373,11 +373,10 @@ static void f2fs_write_end_io(struct bi=
o *bio)
> > > > > > > =A0=A0 #ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > =A0=A0 static void f2fs_zone_write_end_io(struct bio *bio)
> > > > > > > =A0=A0 {
> > > > > > > -=A0=A0=A0 struct f2fs_bio_info *io =3D (struct f2fs_bio_info=
 *)bio->bi_private;
> > > > > > > +=A0=A0=A0 struct f2fs_sb_info *sbi =3D iostat_get_bio_privat=
e(bio);
> > > > > > > -=A0=A0=A0 bio->bi_private =3D io->bi_private;
> > > > > > > -=A0=A0=A0 complete(&io->zone_wait);
> > > > > > > =A0=A0=A0=A0=A0=A0 f2fs_write_end_io(bio);
> > > > > > > +=A0=A0=A0 up(&sbi->available_open_zones);
> > > > > > > =A0=A0 }
> > > > > > > =A0=A0 #endif
> > > > > > > @@ -531,6 +530,24 @@ static void __submit_merged_bio(struct f=
2fs_bio_info *io)
> > > > > > > =A0=A0=A0=A0=A0=A0 if (!io->bio)
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 return;
> > > > > > > +#ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > +=A0=A0=A0 if (io->open_zone) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 /*
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0 * if there is no open zone, it will=
 wait for last IO in
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0 * previous zone before submitting n=
ew IO.
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0 */
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 down(&fio->sbi->available_open_zones);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 io->open_zone =3D false;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 io->zone_openned =3D true;
> > > > > > > +=A0=A0=A0 }
> > > > > > > +
> > > > > > > +=A0=A0=A0 if (io->close_zone) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 io->bio->bi_end_io =3D f2fs_zone_write=
_end_io;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 io->zone_openned =3D false;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 io->close_zone =3D false;
> > > > > > > +=A0=A0=A0 }
> > > > > > > +#endif
> > > > > > > +
> > > > > > > =A0=A0=A0=A0=A0=A0 if (is_read_io(fio->op)) {
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 trace_f2fs_prepare_read_bio(io=
->sbi->sb, fio->type, io->bio);
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 f2fs_submit_read_bio(io->sbi, =
io->bio, fio->type);
> > > > > > > @@ -601,9 +618,9 @@ int f2fs_init_write_merge_io(struct f2fs_=
sb_info *sbi)
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 INIT_LIST_HEAD(&sb=
i->write_io[i][j].bio_list);
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 init_f2fs_rwsem(&s=
bi->write_io[i][j].bio_list_lock);
> > > > > > > =A0=A0 #ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 init_completion(&sbi->writ=
e_io[i][j].zone_wait);
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 sbi->write_io[i][j].zone_p=
ending_bio =3D NULL;
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 sbi->write_io[i][j].bi_pri=
vate =3D NULL;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 sbi->write_io[i][j].open_z=
one =3D false;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 sbi->write_io[i][j].zone_o=
penned =3D false;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 sbi->write_io[i][j].close_=
zone =3D false;
> > > > > > > =A0=A0 #endif
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 }
> > > > > > > =A0=A0=A0=A0=A0=A0 }
> > > > > > > @@ -634,6 +651,31 @@ static void __f2fs_submit_merged_write(s=
truct f2fs_sb_info *sbi,
> > > > > > > =A0=A0=A0=A0=A0=A0 f2fs_up_write(&io->io_rwsem);
> > > > > > > =A0=A0 }
> > > > > > > +void f2fs_blkzoned_submit_merged_write(struct f2fs_sb_info *=
sbi, int type)
> > > > > > > +{
> > > > > > > +#ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > +=A0=A0=A0 struct f2fs_bio_info *io;
> > > > > > > +
> > > > > > > +=A0=A0=A0 if (!f2fs_sb_has_blkzoned(sbi))
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 return;
> > > > > > > +
> > > > > > > +=A0=A0=A0 io =3D sbi->write_io[PAGE_TYPE(type)] + type_to_te=
mp(type);
> > > > > > > +
> > > > > > > +=A0=A0=A0 f2fs_down_write(&io->io_rwsem);
> > > > > > > +=A0=A0=A0 if (io->zone_openned) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 if (io->bio) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 io->close_zone =3D true;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 __submit_merged_bio(io);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 } else if (io->zone_openned) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 up(&sbi->available_open_zo=
nes);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 io->zone_openned =3D false;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 }
> > > > > > > +=A0=A0=A0 }
> > > > > > > +=A0=A0=A0 f2fs_up_write(&io->io_rwsem);
> > > > > > > +#endif
> > > > > > > +
> > > > > > > +}
> > > > > > > +
> > > > > > > =A0=A0 static void __submit_merged_write_cond(struct f2fs_sb_=
info *sbi,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 struct=
 inode *inode, struct page *page,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 nid_t =
ino, enum page_type type, bool force)
> > > > > > > @@ -918,22 +960,16 @@ int f2fs_merge_page_bio(struct f2fs_io_=
info *fio)
> > > > > > > =A0=A0 }
> > > > > > > =A0=A0 #ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > -static bool is_end_zone_blkaddr(struct f2fs_sb_info *sbi, bl=
ock_t blkaddr)
> > > > > > > +static bool is_blkaddr_zone_boundary(struct f2fs_sb_info *sb=
i,
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 bl=
ock_t blkaddr, bool start)
> > > > > > > =A0=A0 {
> > > > > > > -=A0=A0=A0 int devi =3D 0;
> > > > > > > +=A0=A0=A0 if (!f2fs_blkaddr_in_seqzone(sbi, blkaddr))
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 return false;
> > > > > > > +
> > > > > > > +=A0=A0=A0 if (start)
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 return (blkaddr % sbi->blocks_per_blkz=
) =3D=3D 0;
> > > > > > > +=A0=A0=A0 return (blkaddr % sbi->blocks_per_blkz =3D=3D sbi-=
>blocks_per_blkz - 1);
> > > > > > > -=A0=A0=A0 if (f2fs_is_multi_device(sbi)) {
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 devi =3D f2fs_target_device_index(sbi,=
 blkaddr);
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 if (blkaddr < FDEV(devi).start_blk ||
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 blkaddr > FDEV(devi).end_b=
lk) {
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 f2fs_err(sbi, "Invalid blo=
ck %x", blkaddr);
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 return false;
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 }
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 blkaddr -=3D FDEV(devi).start_blk;
> > > > > > > -=A0=A0=A0 }
> > > > > > > -=A0=A0=A0 return bdev_is_zoned(FDEV(devi).bdev) &&
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 f2fs_blkz_is_seq(sbi, devi, blkaddr) &&
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 (blkaddr % sbi->blocks_per_blkz =3D=3D=
 sbi->blocks_per_blkz - 1);
> > > > > > > =A0=A0 }
> > > > > > > =A0=A0 #endif
> > > > > > > @@ -944,20 +980,14 @@ void f2fs_submit_page_write(struct f2fs=
_io_info *fio)
> > > > > > > =A0=A0=A0=A0=A0=A0 struct f2fs_bio_info *io =3D sbi->write_io=
[btype] + fio->temp;
> > > > > > > =A0=A0=A0=A0=A0=A0 struct page *bio_page;
> > > > > > > =A0=A0=A0=A0=A0=A0 enum count_type type;
> > > > > > > +#ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > +=A0=A0=A0 bool blkzoned =3D f2fs_sb_has_blkzoned(sbi) && bty=
pe < META;
> > > > > > > +#endif
> > > > > > > =A0=A0=A0=A0=A0=A0 f2fs_bug_on(sbi, is_read_io(fio->op));
> > > > > > > =A0=A0=A0=A0=A0=A0 f2fs_down_write(&io->io_rwsem);
> > > > > > > =A0=A0 next:
> > > > > > > -#ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > -=A0=A0=A0 if (f2fs_sb_has_blkzoned(sbi) && btype < META && i=
o->zone_pending_bio) {
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 wait_for_completion_io(&io->zone_wait);
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 bio_put(io->zone_pending_bio);
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 io->zone_pending_bio =3D NULL;
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 io->bi_private =3D NULL;
> > > > > > > -=A0=A0=A0 }
> > > > > > > -#endif
> > > > > > > -
> > > > > > > =A0=A0=A0=A0=A0=A0 if (fio->in_list) {
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 spin_lock(&io->io_lock);
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 if (list_empty(&io->io_list)) {
> > > > > > > @@ -985,6 +1015,11 @@ void f2fs_submit_page_write(struct f2fs=
_io_info *fio)
> > > > > > > =A0=A0=A0=A0=A0=A0 type =3D WB_DATA_TYPE(bio_page, fio->compr=
essed_page);
> > > > > > > =A0=A0=A0=A0=A0=A0 inc_page_count(sbi, type);
> > > > > > > +#ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > +=A0=A0=A0 if (blkzoned && is_blkaddr_zone_boundary(sbi, fio-=
>new_blkaddr, true))
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 io->open_zone =3D true;
> > > > > > > +#endif
> > > > > > > +
> > > > > > > =A0=A0=A0=A0=A0=A0 if (io->bio &&
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 (!io_is_mergeable(sbi, io->bio=
, io, fio, io->last_block_in_bio,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 =
fio->new_blkaddr) ||
> > > > > > > @@ -1010,15 +1045,11 @@ void f2fs_submit_page_write(struct f2=
fs_io_info *fio)
> > > > > > > =A0=A0=A0=A0=A0=A0 io->last_block_in_bio =3D fio->new_blkaddr;
> > > > > > > =A0=A0=A0=A0=A0=A0 trace_f2fs_submit_page_write(fio->page, fi=
o);
> > > > > > > +
> > > > > > > =A0=A0 #ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > -=A0=A0=A0 if (f2fs_sb_has_blkzoned(sbi) && btype < META &&
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 is_end_zone_blkaddr(sbi, f=
io->new_blkaddr)) {
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 bio_get(io->bio);
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 reinit_completion(&io->zone_wait);
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 io->bi_private =3D io->bio->bi_private;
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 io->bio->bi_private =3D io;
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 io->bio->bi_end_io =3D f2fs_zone_write=
_end_io;
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 io->zone_pending_bio =3D io->bio;
> > > > > > > +=A0=A0=A0 if (blkzoned &&
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 is_blkaddr_zone_boundary(sbi, fio->new=
_blkaddr, false)) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 io->close_zone =3D true;
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 __submit_merged_bio(io);
> > > > > > > =A0=A0=A0=A0=A0=A0 }
> > > > > > > =A0=A0 #endif
> > > > > > > diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> > > > > > > index 694f8a52cb84..8a26530cf4fb 100644
> > > > > > > --- a/fs/f2fs/f2fs.h
> > > > > > > +++ b/fs/f2fs/f2fs.h
> > > > > > > @@ -1234,16 +1234,16 @@ struct f2fs_bio_info {
> > > > > > > =A0=A0=A0=A0=A0=A0 struct bio *bio;=A0=A0=A0=A0=A0=A0=A0 /* b=
ios to merge */
> > > > > > > =A0=A0=A0=A0=A0=A0 sector_t last_block_in_bio;=A0=A0=A0 /* la=
st block number */
> > > > > > > =A0=A0=A0=A0=A0=A0 struct f2fs_io_info fio;=A0=A0=A0 /* store=
 buffered io info. */
> > > > > > > -#ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > -=A0=A0=A0 struct completion zone_wait;=A0=A0=A0 /* condition=
 value for the previous open zone to close */
> > > > > > > -=A0=A0=A0 struct bio *zone_pending_bio;=A0=A0=A0 /* pending =
bio for the previous zone */
> > > > > > > -=A0=A0=A0 void *bi_private;=A0=A0=A0=A0=A0=A0=A0 /* previous=
 bi_private for pending bio */
> > > > > > > -#endif
> > > > > > > =A0=A0=A0=A0=A0=A0 struct f2fs_rwsem io_rwsem;=A0=A0=A0 /* bl=
ocking op for bio */
> > > > > > > =A0=A0=A0=A0=A0=A0 spinlock_t io_lock;=A0=A0=A0=A0=A0=A0=A0 /=
* serialize DATA/NODE IOs */
> > > > > > > =A0=A0=A0=A0=A0=A0 struct list_head io_list;=A0=A0=A0 /* trac=
k fios */
> > > > > > > =A0=A0=A0=A0=A0=A0 struct list_head bio_list;=A0=A0=A0 /* bio=
 entry list head */
> > > > > > > =A0=A0=A0=A0=A0=A0 struct f2fs_rwsem bio_list_lock;=A0=A0=A0 =
/* lock to protect bio entry list */
> > > > > > > +#ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > +=A0=A0=A0 bool open_zone;=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 /=
* open a zone */
> > > > > > > +=A0=A0=A0 bool zone_openned;=A0=A0=A0=A0=A0=A0=A0 /* zone ha=
s been openned */
> > > > > > > +=A0=A0=A0 bool close_zone;=A0=A0=A0=A0=A0=A0=A0 /* close a z=
one */
> > > > > > > +#endif
> > > > > > > =A0=A0 };
> > > > > > > =A0=A0 #define FDEV(i)=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0 (sbi->devs[i])
> > > > > > > @@ -1560,6 +1560,7 @@ struct f2fs_sb_info {
> > > > > > > =A0=A0 #ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > =A0=A0=A0=A0=A0=A0 unsigned int blocks_per_blkz;=A0=A0=A0=A0=
=A0=A0=A0 /* F2FS blocks per zone */
> > > > > > > =A0=A0=A0=A0=A0=A0 unsigned int max_open_zones;=A0=A0=A0=A0=
=A0=A0=A0 /* max open zone resources of the zoned device */
> > > > > > > +=A0=A0=A0 struct semaphore available_open_zones;=A0=A0=A0 /*=
 available open zones */
> > > > > > > =A0=A0 #endif
> > > > > > > =A0=A0=A0=A0=A0=A0 /* for node-related operations */
> > > > > > > @@ -3822,6 +3823,7 @@ void f2fs_destroy_bio_entry_cache(void);
> > > > > > > =A0=A0 void f2fs_submit_read_bio(struct f2fs_sb_info *sbi, st=
ruct bio *bio,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 enum page_ty=
pe type);
> > > > > > > =A0=A0 int f2fs_init_write_merge_io(struct f2fs_sb_info *sbi);
> > > > > > > +void f2fs_blkzoned_submit_merged_write(struct f2fs_sb_info *=
sbi, int type);
> > > > > > > =A0=A0 void f2fs_submit_merged_write(struct f2fs_sb_info *sbi=
, enum page_type type);
> > > > > > > =A0=A0 void f2fs_submit_merged_write_cond(struct f2fs_sb_info=
 *sbi,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 struct=
 inode *inode, struct page *page,
> > > > > > > @@ -4469,6 +4471,28 @@ static inline bool f2fs_blkz_is_seq(st=
ruct f2fs_sb_info *sbi, int devi,
> > > > > > > =A0=A0=A0=A0=A0=A0 return test_bit(zno, FDEV(devi).blkz_seq);
> > > > > > > =A0=A0 }
> > > > > > > +
> > > > > > > +static inline bool f2fs_blkaddr_in_seqzone(struct f2fs_sb_in=
fo *sbi,
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0=A0 block_t blkaddr)
> > > > > > > +{
> > > > > > > +=A0=A0=A0 int devi =3D 0;
> > > > > > > +
> > > > > > > +=A0=A0=A0 if (f2fs_is_multi_device(sbi)) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 devi =3D f2fs_target_device_index(sbi,=
 blkaddr);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 if (blkaddr < FDEV(devi).start_blk ||
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 blkaddr > FDEV(devi).end_b=
lk) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 f2fs_err(sbi, "Invalid blo=
ck %x", blkaddr);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 return false;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 }
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 blkaddr -=3D FDEV(devi).start_blk;
> > > > > > > +=A0=A0=A0 }
> > > > > > > +
> > > > > > > +=A0=A0=A0 if (!bdev_is_zoned(FDEV(devi).bdev) ||
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 !f2fs_blkz_is_seq(sbi, devi, blkaddr))
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 return false;
> > > > > > > +
> > > > > > > +=A0=A0=A0 return true;
> > > > > > =

> > > > > > Applied as below.
> > > > > > =

> > > > > > @@ -4485,11 +4485,8 @@ static inline bool f2fs_blkaddr_in_seqzo=
ne(struct f2fs_sb_info *sbi,
> > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 blkaddr -=
=3D FDEV(devi).start_blk;
> > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0 }
> > > > > > =

> > > > > > -=A0=A0=A0=A0=A0=A0 if (!bdev_is_zoned(FDEV(devi).bdev) ||
> > > > > > -=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 !f2fs_blkz_is_seq(s=
bi, devi, blkaddr))
> > > > > > -=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 return false;
> > > > > > -
> > > > > > -=A0=A0=A0=A0=A0=A0 return true;
> > > > > > +=A0=A0=A0=A0=A0=A0 return bdev_is_zoned(FDEV(devi).bdev) &&
> > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 f2fs_blkz_is_seq(sb=
i, devi, blkaddr);
> > > > > =

> > > > > Looks good, thank you for cleanup.
> > > > > =

> > > > > Thanks,
> > > > > =

> > > > > > =A0=A0 }
> > > > > > =A0=A0 #endif
> > > > > > =

> > > > > > > +}
> > > > > > > =A0=A0 #endif
> > > > > > > =A0=A0 static inline int f2fs_bdev_index(struct f2fs_sb_info =
*sbi,
> > > > > > > diff --git a/fs/f2fs/iostat.c b/fs/f2fs/iostat.c
> > > > > > > index f8703038e1d8..a8626e297876 100644
> > > > > > > --- a/fs/f2fs/iostat.c
> > > > > > > +++ b/fs/f2fs/iostat.c
> > > > > > > @@ -237,6 +237,13 @@ static inline void __update_iostat_laten=
cy(struct bio_iostat_ctx *iostat_ctx,
> > > > > > > =A0=A0=A0=A0=A0=A0 spin_unlock_irqrestore(&sbi->iostat_lat_lo=
ck, flags);
> > > > > > > =A0=A0 }
> > > > > > > +void *iostat_get_bio_private(struct bio *bio)
> > > > > > > +{
> > > > > > > +=A0=A0=A0 struct bio_iostat_ctx *iostat_ctx =3D bio->bi_priv=
ate;
> > > > > > > +
> > > > > > > +=A0=A0=A0 return iostat_ctx->sbi;
> > > > > > > +}
> > > > > > > +
> > > > > > > =A0=A0 void iostat_update_and_unbind_ctx(struct bio *bio)
> > > > > > > =A0=A0 {
> > > > > > > =A0=A0=A0=A0=A0=A0 struct bio_iostat_ctx *iostat_ctx =3D bio-=
>bi_private;
> > > > > > > diff --git a/fs/f2fs/iostat.h b/fs/f2fs/iostat.h
> > > > > > > index eb99d05cf272..9006c3d41590 100644
> > > > > > > --- a/fs/f2fs/iostat.h
> > > > > > > +++ b/fs/f2fs/iostat.h
> > > > > > > @@ -58,6 +58,7 @@ static inline struct bio_post_read_ctx *get=
_post_read_ctx(struct bio *bio)
> > > > > > > =A0=A0=A0=A0=A0=A0 return iostat_ctx->post_read_ctx;
> > > > > > > =A0=A0 }
> > > > > > > +extern void *iostat_get_bio_private(struct bio *bio);
> > > > > > > =A0=A0 extern void iostat_update_and_unbind_ctx(struct bio *b=
io);
> > > > > > > =A0=A0 extern void iostat_alloc_and_bind_ctx(struct f2fs_sb_i=
nfo *sbi,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 struct bio *bio, struct bio_po=
st_read_ctx *ctx);
> > > > > > > @@ -68,6 +69,7 @@ extern void f2fs_destroy_iostat(struct f2fs=
_sb_info *sbi);
> > > > > > > =A0=A0 #else
> > > > > > > =A0=A0 static inline void f2fs_update_iostat(struct f2fs_sb_i=
nfo *sbi, struct inode *inode,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 enum iostat_type type, unsigne=
d long long io_bytes) {}
> > > > > > > +static inline void *iostat_get_bio_private(struct bio *bio) =
{ return bio->bi_private; }
> > > > > > > =A0=A0 static inline void iostat_update_and_unbind_ctx(struct=
 bio *bio) {}
> > > > > > > =A0=A0 static inline void iostat_alloc_and_bind_ctx(struct f2=
fs_sb_info *sbi,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 struct bio *bio, struct bio_po=
st_read_ctx *ctx) {}
> > > > > > > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
> > > > > > > index 4fd76e867e0a..4a3cf2888faf 100644
> > > > > > > --- a/fs/f2fs/segment.c
> > > > > > > +++ b/fs/f2fs/segment.c
> > > > > > > @@ -3140,6 +3140,9 @@ static int __allocate_new_segment(struc=
t f2fs_sb_info *sbi, int type,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 return err;
> > > > > > > =A0=A0=A0=A0=A0=A0 stat_inc_seg_type(sbi, curseg);
> > > > > > > =A0=A0=A0=A0=A0=A0 locate_dirty_segment(sbi, old_segno);
> > > > > > > +
> > > > > > > +=A0=A0=A0 f2fs_blkzoned_submit_merged_write(sbi, type);
> > > > > > > +
> > > > > > > =A0=A0=A0=A0=A0=A0 return 0;
> > > > > > > =A0=A0 }
> > > > > > > @@ -3461,12 +3464,7 @@ static int __get_segment_type(struct f=
2fs_io_info *fio)
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 f2fs_bug_on(fio->sbi, true);
> > > > > > > =A0=A0=A0=A0=A0=A0 }
> > > > > > > -=A0=A0=A0 if (IS_HOT(type))
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 fio->temp =3D HOT;
> > > > > > > -=A0=A0=A0 else if (IS_WARM(type))
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 fio->temp =3D WARM;
> > > > > > > -=A0=A0=A0 else
> > > > > > > -=A0=A0=A0=A0=A0=A0=A0 fio->temp =3D COLD;
> > > > > > > +=A0=A0=A0 fio->temp =3D type_to_temp(type);
> > > > > > > =A0=A0=A0=A0=A0=A0 return type;
> > > > > > > =A0=A0 }
> > > > > > > @@ -4132,6 +4130,27 @@ static int restore_curseg_summaries(st=
ruct f2fs_sb_info *sbi)
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 return -EINVAL;
> > > > > > > =A0=A0=A0=A0=A0=A0 }
> > > > > > > +#ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > +=A0=A0=A0 if (f2fs_sb_has_blkzoned(sbi)) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 for (type =3D 0; type < NR_PERSISTENT_=
LOG; type++) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 struct curseg_info *curseg=
 =3D CURSEG_I(sbi, type);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 enum page_type ptype;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 enum temp_type temp;
> > > > > > > +
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 if (!(curseg->next_blkoff =
% sbi->blocks_per_blkz))
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 continue;
> > > > > > > +
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 if (!f2fs_blkaddr_in_seqzo=
ne(sbi,
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ST=
ART_BLOCK(sbi, curseg->segno)))
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 continue;
> > > > > > > +
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 ptype =3D PAGE_TYPE(type);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 temp =3D type_to_temp(type=
);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 down(&sbi->available_open_=
zones);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 sbi->write_io[ptype][temp]=
.zone_openned =3D true;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 }
> > > > > > > +=A0=A0=A0 }
> > > > > > > +#endif
> > > > > > > =A0=A0=A0=A0=A0=A0 return 0;
> > > > > > > =A0=A0 }
> > > > > > > @@ -5451,6 +5470,18 @@ static void destroy_curseg(struct f2fs=
_sb_info *sbi)
> > > > > > > =A0=A0=A0=A0=A0=A0 for (i =3D 0; i < NR_CURSEG_TYPE; i++) {
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 kfree(array[i].sum_blk);
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 kfree(array[i].journal);
> > > > > > > +
> > > > > > > +#ifdef CONFIG_BLK_DEV_ZONED
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 if (f2fs_sb_has_blkzoned(sbi)) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 enum page_type ptype =3D P=
AGE_TYPE(i);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 enum temp_type temp =3D ty=
pe_to_temp(i);
> > > > > > > +
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 if (sbi->write_io[ptype][t=
emp].zone_openned) {
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 up(&sbi->avail=
able_open_zones);
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 sbi->write_io[=
ptype][temp].zone_openned =3D false;
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 }
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 }
> > > > > > > +#endif
> > > > > > > =A0=A0=A0=A0=A0=A0 }
> > > > > > > =A0=A0=A0=A0=A0=A0 kfree(array);
> > > > > > > =A0=A0 }
> > > > > > > diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> > > > > > > index e1c0f418aa11..855978ca869f 100644
> > > > > > > --- a/fs/f2fs/segment.h
> > > > > > > +++ b/fs/f2fs/segment.h
> > > > > > > @@ -24,7 +24,8 @@
> > > > > > > =A0=A0 #define IS_DATASEG(t)=A0=A0=A0 ((t) <=3D CURSEG_COLD_D=
ATA)
> > > > > > > =A0=A0 #define IS_NODESEG(t)=A0=A0=A0 ((t) >=3D CURSEG_HOT_NO=
DE && (t) <=3D CURSEG_COLD_NODE)
> > > > > > > -#define SE_PAGETYPE(se)=A0=A0=A0 ((IS_NODESEG((se)->type) ? =
NODE : DATA))
> > > > > > > +#define PAGE_TYPE(t)=A0=A0=A0 (IS_NODESEG(t) ? NODE : DATA)
> > > > > > > +#define SE_PAGETYPE(se)=A0=A0=A0 (PAGE_TYPE((se)->type))
> > > > > > > =A0=A0 static inline void sanity_check_seg_type(struct f2fs_s=
b_info *sbi,
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=
=A0=A0=A0=A0=A0=A0 unsigned short seg_type)
> > > > > > > @@ -965,3 +966,12 @@ static inline unsigned int first_zoned_s=
egno(struct f2fs_sb_info *sbi)
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 return GET_SEGNO(s=
bi, FDEV(devi).start_blk);
> > > > > > > =A0=A0=A0=A0=A0=A0 return 0;
> > > > > > > =A0=A0 }
> > > > > > > +
> > > > > > > +static inline enum temp_type type_to_temp(int type)
> > > > > > > +{
> > > > > > > +=A0=A0=A0 if (IS_HOT(type))
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 return HOT;
> > > > > > > +=A0=A0=A0 else if (IS_WARM(type))
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 return WARM;
> > > > > > > +=A0=A0=A0 return COLD;
> > > > > > > +}
> > > > > > > diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> > > > > > > index fdf358c7f808..954baa6c100d 100644
> > > > > > > --- a/fs/f2fs/super.c
> > > > > > > +++ b/fs/f2fs/super.c
> > > > > > > @@ -3893,6 +3893,8 @@ static int init_blkz_info(struct f2fs_s=
b_info *sbi, int devi)
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 sbi->m=
ax_open_zones, F2FS_OPTION(sbi).active_logs);
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 return -EINVAL;
> > > > > > > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 }
> > > > > > > +
> > > > > > > +=A0=A0=A0=A0=A0=A0=A0 sema_init(&sbi->available_open_zones, =
sbi->max_open_zones);
> > > > > > > =A0=A0=A0=A0=A0=A0 }
> > > > > > > =A0=A0=A0=A0=A0=A0 zone_sectors =3D bdev_zone_sectors(bdev);
> > > > > > > -- =

> > > > > > > 2.40.1
> > > =

> > > =

> > > _______________________________________________
> > > Linux-f2fs-devel mailing list
> > > Linux-f2fs-devel@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
> > =

> > =

> > _______________________________________________
> > Linux-f2fs-devel mailing list
> > Linux-f2fs-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel


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