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From: Paolo Bonzini <pbonzini@redhat.com>
To: Eric Blake <eblake@redhat.com>
Cc: qemu-devel <qemu-devel@nongnu.org>,
	"Wolf, Kevin" <kwolf@redhat.com>,
	 "open list:Block layer core" <qemu-block@nongnu.org>
Subject: Re: [PATCH 01/12] file-posix: remove incorrect coroutine_fn calls
Date: Thu, 1 Jun 2023 16:22:21 +0200	[thread overview]
Message-ID: <CABgObfYSH8KFY4RRCkmijJMi1BuCmhi6bKRmbRuejzd=bdhS=g@mail.gmail.com> (raw)
In-Reply-To: <w7g7ibw4j4yipnhjbnjqyoxg5llnwr6t5pfwf4uvjilw63gwuw@mzxtxvdfhwfe>

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Il gio 1 giu 2023, 15:50 Eric Blake <eblake@redhat.com> ha scritto:

> > @@ -2696,7 +2696,7 @@ static int coroutine_fn
> raw_co_truncate(BlockDriverState *bs, int64_t offset,
> >      }
> >
> >      if (S_ISCHR(st.st_mode) || S_ISBLK(st.st_mode)) {
> > -        int64_t cur_length = raw_co_getlength(bs);
> > +        int64_t cur_length = raw_getlength(bs);
>
> Shouldn't this one still call the raw_co_getlength() wrapper?
>

It could, but instead I wanted to clarify that this will never suspend
(because it's calling the function directly rather than bdrv_co_getlength).

Paolo


> > @@ -3245,7 +3250,7 @@ static int coroutine_fn
> raw_co_block_status(BlockDriverState *bs,
> >           * round up if necessary.
> >           */
> >          if (!QEMU_IS_ALIGNED(*pnum, bs->bl.request_alignment)) {
> > -            int64_t file_length = raw_co_getlength(bs);
> > +            int64_t file_length = raw_getlength(bs);
>
> Likewise this one?
>
> >
> >  static bool coroutine_fn cdrom_co_is_inserted(BlockDriverState *bs)
> >  {
> > -    return raw_co_getlength(bs) > 0;
> > +    return raw_getlength(bs) > 0;
> >  }
>
> and this one?
>
> --
> Eric Blake, Principal Software Engineer
> Red Hat, Inc.           +1-919-301-3266
> Virtualization:  qemu.org | libvirt.org
>
>

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  reply	other threads:[~2023-06-01 14:23 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-01 11:51 [PATCH 00/12] block: more fixes to coroutine_fn marking Paolo Bonzini
2023-06-01 11:51 ` [PATCH 01/12] file-posix: remove incorrect coroutine_fn calls Paolo Bonzini
2023-06-01 13:50   ` Eric Blake
2023-06-01 14:22     ` Paolo Bonzini [this message]
2023-06-01 11:51 ` [PATCH 02/12] qed: mark more functions as coroutine_fns and GRAPH_RDLOCK Paolo Bonzini
2023-06-01 11:51 ` [PATCH 03/12] vpc: " Paolo Bonzini
2023-06-01 11:51 ` [PATCH 04/12] bochs: " Paolo Bonzini
2023-06-01 11:51 ` [PATCH 05/12] block: mark another function as coroutine_fns and GRAPH_UNLOCKED Paolo Bonzini
2023-06-01 11:51 ` [PATCH 06/12] cloop: mark more functions as coroutine_fns and GRAPH_RDLOCK Paolo Bonzini
2023-06-01 11:51 ` [PATCH 07/12] dmg: " Paolo Bonzini
2023-06-01 11:51 ` [PATCH 08/12] vmdk: " Paolo Bonzini
2023-06-01 11:51 ` [PATCH 09/12] vhdx: " Paolo Bonzini
2023-06-28  7:40   ` Kevin Wolf
2023-06-01 11:51 ` [PATCH 10/12] qcow2: " Paolo Bonzini
2023-06-01 11:51 ` [PATCH 11/12] block: use bdrv_co_getlength in coroutine context Paolo Bonzini
2023-06-01 11:51 ` [PATCH 12/12] block: use bdrv_co_debug_event " Paolo Bonzini
2023-06-28  7:47 ` [PATCH 00/12] block: more fixes to coroutine_fn marking Kevin Wolf

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