9eaafd90d1
On 08/05/13 15:03, Paolo Bonzini wrote: > > [...] > > 1) BlockDriver is a struct in which these function members are > interesting: > > .bdrv_reopen_prepare > .bdrv_co_readv > .bdrv_co_writev > .bdrv_co_is_allocated > .bdrv_co_write_zeroes > .bdrv_co_discard > .bdrv_getlength > .bdrv_get_info > .bdrv_truncate > .bdrv_is_inserted > .bdrv_media_changed > .bdrv_eject > .bdrv_lock_medium > .bdrv_ioctl > .bdrv_aio_ioctl > .bdrv_has_zero_init > > They should be implemented as simple forwarders (see above). There are > 16 functions listed here, you can easily see how this already accounts > for 100+ SLOC roughly... > > The implementations of bdrv_co_readv and bdrv_co_writev should also call > BLKDBG_EVENT on bs->file too, before forwarding to bs->file. The events > to be generated are BLKDBG_READ_AIO and BLKDBG_WRITE_AIO. Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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