Re: [Qemu-devel] [PATCH v3 14/27] block: Rename bdrv_set_locked() to bdrv_lock_medium()

[Kevin Wolf <kwolf@redhat.com>]

Am 06.09.2011 18:58, schrieb Markus Armbruster:
> While there, make the locked parameter bool.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
>  block.c           |    8 ++++----
>  block.h           |    2 +-
>  block/raw-posix.c |    8 ++++----
>  block/raw.c       |    6 +++---
>  block_int.h       |    2 +-
>  hw/ide/atapi.c    |    2 +-
>  hw/scsi-disk.c    |    2 +-
>  trace-events      |    1 +
>  8 files changed, 16 insertions(+), 15 deletions(-)
> 
> diff --git a/block.c b/block.c
> index 1e4be73..7225b15 100644
> --- a/block.c
> +++ b/block.c
> @@ -3072,14 +3072,14 @@ void bdrv_eject(BlockDriverState *bs, int eject_flag)
>   * Lock or unlock the media (if it is locked, the user won't be able
>   * to eject it manually).
>   */
> -void bdrv_set_locked(BlockDriverState *bs, int locked)
> +void bdrv_lock_medium(BlockDriverState *bs, bool locked)
>  {
>      BlockDriver *drv = bs->drv;
>  
> -    trace_bdrv_set_locked(bs, locked);
> +    trace_bdrv_lock_medium(bs, locked);
>  
> -    if (drv && drv->bdrv_set_locked) {
> -        drv->bdrv_set_locked(bs, locked);
> +    if (drv && drv->bdrv_lock_medium) {
> +        drv->bdrv_lock_medium(bs, locked);
>      }
>  }
>  
> diff --git a/block.h b/block.h
> index 396ca0e..4691090 100644
> --- a/block.h
> +++ b/block.h
> @@ -212,7 +212,7 @@ int bdrv_is_sg(BlockDriverState *bs);
>  int bdrv_enable_write_cache(BlockDriverState *bs);
>  int bdrv_is_inserted(BlockDriverState *bs);
>  int bdrv_media_changed(BlockDriverState *bs);
> -void bdrv_set_locked(BlockDriverState *bs, int locked);
> +void bdrv_lock_medium(BlockDriverState *bs, bool locked);
>  void bdrv_eject(BlockDriverState *bs, int eject_flag);
>  void bdrv_get_format(BlockDriverState *bs, char *buf, int buf_size);
>  BlockDriverState *bdrv_find(const char *name);
> diff --git a/block/raw-posix.c b/block/raw-posix.c
> index bcf50b2..a624f56 100644
> --- a/block/raw-posix.c
> +++ b/block/raw-posix.c
> @@ -1362,7 +1362,7 @@ static void cdrom_eject(BlockDriverState *bs, int eject_flag)
>      }
>  }
>  
> -static void cdrom_set_locked(BlockDriverState *bs, int locked)
> +static void cdrom_lock_medium(BlockDriverState *bs, bool locked)
>  {
>      BDRVRawState *s = bs->opaque;
>  
> @@ -1400,7 +1400,7 @@ static BlockDriver bdrv_host_cdrom = {
>      /* removable device support */
>      .bdrv_is_inserted   = cdrom_is_inserted,
>      .bdrv_eject         = cdrom_eject,
> -    .bdrv_set_locked    = cdrom_set_locked,
> +    .bdrv_lock_medium   = cdrom_lock_medium,
>  
>      /* generic scsi device */
>      .bdrv_ioctl         = hdev_ioctl,
> @@ -1481,7 +1481,7 @@ static void cdrom_eject(BlockDriverState *bs, int eject_flag)
>      cdrom_reopen(bs);
>  }
>  
> -static void cdrom_set_locked(BlockDriverState *bs, int locked)
> +static void cdrom_lock_medium(BlockDriverState *bs, bool locked)
>  {
>      BDRVRawState *s = bs->opaque;
>  
> @@ -1521,7 +1521,7 @@ static BlockDriver bdrv_host_cdrom = {
>      /* removable device support */
>      .bdrv_is_inserted   = cdrom_is_inserted,
>      .bdrv_eject         = cdrom_eject,
> -    .bdrv_set_locked    = cdrom_set_locked,
> +    .bdrv_lock_medium   = cdrom_lock_medium,
>  };
>  #endif /* __FreeBSD__ */
>  
> diff --git a/block/raw.c b/block/raw.c
> index f197479..63cf2d3 100644
> --- a/block/raw.c
> +++ b/block/raw.c
> @@ -85,9 +85,9 @@ static void raw_eject(BlockDriverState *bs, int eject_flag)
>      bdrv_eject(bs->file, eject_flag);
>  }
>  
> -static void raw_set_locked(BlockDriverState *bs, int locked)
> +static void raw_lock_medium(BlockDriverState *bs, bool locked)
>  {
> -    bdrv_set_locked(bs->file, locked);
> +    bdrv_lock_medium(bs->file, locked);
>  }
>  
>  static int raw_ioctl(BlockDriverState *bs, unsigned long int req, void *buf)
> @@ -144,7 +144,7 @@ static BlockDriver bdrv_raw = {
>      .bdrv_is_inserted   = raw_is_inserted,
>      .bdrv_media_changed = raw_media_changed,
>      .bdrv_eject         = raw_eject,
> -    .bdrv_set_locked    = raw_set_locked,
> +    .bdrv_lock_medium   = raw_lock_medium,
>  
>      .bdrv_ioctl         = raw_ioctl,
>      .bdrv_aio_ioctl     = raw_aio_ioctl,
> diff --git a/block_int.h b/block_int.h
> index 4f7ff3b..f42af2c 100644
> --- a/block_int.h
> +++ b/block_int.h
> @@ -120,7 +120,7 @@ struct BlockDriver {
>      int (*bdrv_is_inserted)(BlockDriverState *bs);
>      int (*bdrv_media_changed)(BlockDriverState *bs);
>      void (*bdrv_eject)(BlockDriverState *bs, int eject_flag);
> -    void (*bdrv_set_locked)(BlockDriverState *bs, int locked);
> +    void (*bdrv_lock_medium)(BlockDriverState *bs, bool locked);
>  
>      /* to control generic scsi devices */
>      int (*bdrv_ioctl)(BlockDriverState *bs, unsigned long int req, void *buf);
> diff --git a/hw/ide/atapi.c b/hw/ide/atapi.c
> index afb27c6..06778f3 100644
> --- a/hw/ide/atapi.c
> +++ b/hw/ide/atapi.c
> @@ -833,7 +833,7 @@ static void cmd_test_unit_ready(IDEState *s, uint8_t *buf)
>  static void cmd_prevent_allow_medium_removal(IDEState *s, uint8_t* buf)
>  {
>      s->tray_locked = buf[4] & 1;
> -    bdrv_set_locked(s->bs, buf[4] & 1);
> +    bdrv_lock_medium(s->bs, buf[4] & 1);
>      ide_atapi_cmd_ok(s);
>  }
>  
> diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
> index 42682d0..4e89bb1 100644
> --- a/hw/scsi-disk.c
> +++ b/hw/scsi-disk.c
> @@ -887,7 +887,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r, uint8_t *outbuf)
>          break;
>      case ALLOW_MEDIUM_REMOVAL:
>          s->tray_locked = req->cmd.buf[4] & 1;
> -        bdrv_set_locked(s->bs, req->cmd.buf[4] & 1);
> +        bdrv_lock_medium(s->bs, req->cmd.buf[4] & 1);
>          break;
>      case READ_CAPACITY_10:
>          /* The normal LEN field for this command is zero.  */
> diff --git a/trace-events b/trace-events
> index 08ffedf..1c0b49b 100644
> --- a/trace-events
> +++ b/trace-events
> @@ -62,6 +62,7 @@ bdrv_aio_multiwrite_latefail(void *mcb, int i) "mcb %p i %d"
>  bdrv_aio_flush(void *bs, void *opaque) "bs %p opaque %p"
>  bdrv_aio_readv(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p"
>  bdrv_aio_writev(void *bs, int64_t sector_num, int nb_sectors, void *opaque) "bs %p sector_num %"PRId64" nb_sectors %d opaque %p"
> +bdrv_lock_medium(void *bs, bool locked) "bs %p locked %d"
>  bdrv_set_locked(void *bs, int locked) "bs %p locked %d"

Do we still need trace_bdrv_set_locked() now? v2 did remove it and I
can't see any comment that suggested that it was still needed.

Kevin