From: Fabiano Rosas <farosas@suse.de>
To: Juan Quintela <quintela@redhat.com>, qemu-devel@nongnu.org
Cc: "Fam Zheng" <fam@euphon.net>,
qemu-block@nongnu.org,
"Daniel P . Berrangé" <berrange@redhat.com>,
"Juan Quintela" <quintela@redhat.com>,
"Hailiang Zhang" <zhanghailiang@xfusion.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>,
"Peter Xu" <peterx@redhat.com>,
"Li Zhijian" <lizhijian@fujitsu.com>,
"Leonardo Bras" <leobras@redhat.com>
Subject: Re: [PATCH 06/12] qemu-file: Remove _noflush from qemu_file_transferred_noflush()
Date: Tue, 24 Oct 2023 14:42:09 -0300 [thread overview]
Message-ID: <87v8avsyry.fsf@suse.de> (raw)
In-Reply-To: <20231024151042.90349-7-quintela@redhat.com>
Juan Quintela <quintela@redhat.com> writes:
> qemu_file_transferred() don't exist anymore, so we can reuse the name.
>
> Signed-off-by: Juan Quintela <quintela@redhat.com>
>
> ---
>
> v2: Update the documentation (thanks fabiano)
> ---
> migration/qemu-file.h | 9 ++++-----
> migration/block.c | 4 ++--
> migration/qemu-file.c | 2 +-
> migration/savevm.c | 6 +++---
> migration/vmstate.c | 4 ++--
> 5 files changed, 12 insertions(+), 13 deletions(-)
>
> diff --git a/migration/qemu-file.h b/migration/qemu-file.h
> index 8b71152754..1b2f6b8d8f 100644
> --- a/migration/qemu-file.h
> +++ b/migration/qemu-file.h
> @@ -34,15 +34,14 @@ QEMUFile *qemu_file_new_output(QIOChannel *ioc);
> int qemu_fclose(QEMUFile *f);
>
> /*
> - * qemu_file_transferred_noflush:
> + * qemu_file_transferred:
> *
> - * As qemu_file_transferred except for writable files, where no flush
> - * is performed and the reported amount will include the size of any
> - * queued buffers, on top of the amount actually transferred.
> + * No flush is performed and the reported amount will include the size
> + * of any queued buffers, on top of the amount actually transferred.
> *
> * Returns: the total bytes transferred and queued
> */
> -uint64_t qemu_file_transferred_noflush(QEMUFile *f);
> +uint64_t qemu_file_transferred(QEMUFile *f);
>
> /*
> * put_buffer without copying the buffer.
> diff --git a/migration/block.c b/migration/block.c
> index b60698d6e2..47f11d0e4f 100644
> --- a/migration/block.c
> +++ b/migration/block.c
> @@ -752,7 +752,7 @@ static int block_save_setup(QEMUFile *f, void *opaque)
> static int block_save_iterate(QEMUFile *f, void *opaque)
> {
> int ret;
> - uint64_t last_bytes = qemu_file_transferred_noflush(f);
> + uint64_t last_bytes = qemu_file_transferred(f);
>
> trace_migration_block_save("iterate", block_mig_state.submitted,
> block_mig_state.transferred);
> @@ -804,7 +804,7 @@ static int block_save_iterate(QEMUFile *f, void *opaque)
> }
>
> qemu_put_be64(f, BLK_MIG_FLAG_EOS);
> - uint64_t delta_bytes = qemu_file_transferred_noflush(f) - last_bytes;
> + uint64_t delta_bytes = qemu_file_transferred(f) - last_bytes;
> return (delta_bytes > 0);
> }
>
> diff --git a/migration/qemu-file.c b/migration/qemu-file.c
> index efa5f11033..0158db2a54 100644
> --- a/migration/qemu-file.c
> +++ b/migration/qemu-file.c
> @@ -618,7 +618,7 @@ int coroutine_mixed_fn qemu_get_byte(QEMUFile *f)
> return result;
> }
>
> -uint64_t qemu_file_transferred_noflush(QEMUFile *f)
> +uint64_t qemu_file_transferred(QEMUFile *f)
> {
> uint64_t ret = stat64_get(&mig_stats.qemu_file_transferred);
> int i;
> diff --git a/migration/savevm.c b/migration/savevm.c
> index 8622f229e5..9c90499609 100644
> --- a/migration/savevm.c
> +++ b/migration/savevm.c
> @@ -927,9 +927,9 @@ static int vmstate_load(QEMUFile *f, SaveStateEntry *se)
> static void vmstate_save_old_style(QEMUFile *f, SaveStateEntry *se,
> JSONWriter *vmdesc)
> {
> - uint64_t old_offset = qemu_file_transferred_noflush(f);
> + uint64_t old_offset = qemu_file_transferred(f);
> se->ops->save_state(f, se->opaque);
> - uint64_t size = qemu_file_transferred_noflush(f) - old_offset;
> + uint64_t size = qemu_file_transferred(f) - old_offset;
>
> if (vmdesc) {
> json_writer_int64(vmdesc, "size", size);
> @@ -3053,7 +3053,7 @@ bool save_snapshot(const char *name, bool overwrite, const char *vmstate,
> goto the_end;
> }
> ret = qemu_savevm_state(f, errp);
> - vm_state_size = qemu_file_transferred_noflush(f);
> + vm_state_size = qemu_file_transferred(f);
> ret2 = qemu_fclose(f);
> if (ret < 0) {
> goto the_end;
> diff --git a/migration/vmstate.c b/migration/vmstate.c
> index 1cf9e45b85..16420fa9a3 100644
> --- a/migration/vmstate.c
> +++ b/migration/vmstate.c
> @@ -386,7 +386,7 @@ int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd,
> void *curr_elem = first_elem + size * i;
>
> vmsd_desc_field_start(vmsd, vmdesc_loop, field, i, n_elems);
> - old_offset = qemu_file_transferred_noflush(f);
> + old_offset = qemu_file_transferred(f);
> if (field->flags & VMS_ARRAY_OF_POINTER) {
> assert(curr_elem);
> curr_elem = *(void **)curr_elem;
> @@ -416,7 +416,7 @@ int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd,
> return ret;
> }
>
> - written_bytes = qemu_file_transferred_noflush(f) - old_offset;
> + written_bytes = qemu_file_transferred(f) - old_offset;
> vmsd_desc_field_end(vmsd, vmdesc_loop, field, written_bytes, i);
>
> /* Compressed arrays only care about the first element */
Reviewed-by: Fabiano Rosas <farosas@suse.de>
next prev parent reply other threads:[~2023-10-24 17:43 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-24 15:10 [PATCH 00/12] migration: Yet another round of atomic counters Juan Quintela
2023-10-24 15:10 ` [PATCH 01/12] qemu-file: We only call qemu_file_transferred_* on the sending side Juan Quintela
2023-10-24 17:24 ` Fabiano Rosas
2023-10-25 9:00 ` Juan Quintela
2023-10-24 15:10 ` [PATCH 02/12] qemu_file: Use a stat64 for qemu_file_transferred Juan Quintela
2023-10-24 17:34 ` Fabiano Rosas
2023-10-24 18:14 ` Eric Blake
2023-10-25 9:01 ` Juan Quintela
2023-10-24 15:10 ` [PATCH 03/12] qemu_file: total_transferred is not used anymore Juan Quintela
2023-10-24 17:35 ` Fabiano Rosas
2023-10-24 15:10 ` [PATCH 04/12] migration: Use the number of transferred bytes directly Juan Quintela
2023-10-24 17:40 ` Fabiano Rosas
2023-10-24 15:10 ` [PATCH 05/12] qemu_file: Remove unused qemu_file_transferred() Juan Quintela
2023-10-24 17:40 ` Fabiano Rosas
2023-10-24 15:10 ` [PATCH 06/12] qemu-file: Remove _noflush from qemu_file_transferred_noflush() Juan Quintela
2023-10-24 17:42 ` Fabiano Rosas [this message]
2023-10-24 15:10 ` [PATCH 07/12] migration: migration_transferred_bytes() don't need the QEMUFile Juan Quintela
2023-10-24 15:10 ` [PATCH 08/12] migration: migration_rate_limit_reset() " Juan Quintela
2023-10-24 15:10 ` [PATCH 09/12] qemu-file: Simplify qemu_file_get_error() Juan Quintela
2023-10-24 15:10 ` [PATCH 10/12] migration: Use migration_transferred_bytes() Juan Quintela
2023-10-24 17:46 ` Fabiano Rosas
2023-10-24 15:10 ` [PATCH 11/12] migration: Remove transferred atomic counter Juan Quintela
2023-10-24 17:48 ` Fabiano Rosas
2023-10-24 15:10 ` [PATCH 12/12] qemu-file: Make qemu_fflush() return errors Juan Quintela
2023-10-24 17:56 ` Fabiano Rosas
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