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block: Add blk_co_ioctl() 

Also convert blk_ioctl() into a generated_co_wrapper.

Signed-off-by: Alberto Faria <afaria@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220705161527.1054072-16-afaria@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
Alberto Faria 2022-07-05 17:15:23 +01:00 committed by Hanna Reitz
parent 25873f57c6
commit df02da003d
3 changed files with 8 additions and 10 deletions
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7
block/block-backend.c
View File

@ -1620,7 +1620,7 @@ void blk_aio_cancel_async(BlockAIOCB *acb)
}
/* To be called between exactly one pair of blk_inc/dec_in_flight() */
int coroutine_fn
static int coroutine_fn
blk_co_do_ioctl(BlockBackend *blk, unsigned long int req, void *buf)
{
IO_CODE();
@ -1634,13 +1634,14 @@ blk_co_do_ioctl(BlockBackend *blk, unsigned long int req, void *buf)
return bdrv_co_ioctl(blk_bs(blk), req, buf);
}
int blk_ioctl(BlockBackend *blk, unsigned long int req, void *buf)
int coroutine_fn blk_co_ioctl(BlockBackend *blk, unsigned long int req,
void *buf)
{
int ret;
IO_OR_GS_CODE();
blk_inc_in_flight(blk);
ret = blk_do_ioctl(blk, req, buf);
ret = blk_co_do_ioctl(blk, req, buf);
blk_dec_in_flight(blk);
return ret;

6
block/coroutines.h
View File

@ -68,9 +68,6 @@ blk_co_do_pwritev_part(BlockBackend *blk, int64_t offset, int64_t bytes,
QEMUIOVector *qiov, size_t qiov_offset,
BdrvRequestFlags flags);
int coroutine_fn
blk_co_do_ioctl(BlockBackend *blk, unsigned long int req, void *buf);
int coroutine_fn
blk_co_do_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes);
@ -107,7 +104,4 @@ bdrv_common_block_status_above(BlockDriverState *bs,
int generated_co_wrapper
nbd_do_establish_connection(BlockDriverState *bs, bool blocking, Error **errp);
int generated_co_wrapper
blk_do_ioctl(BlockBackend *blk, unsigned long int req, void *buf);
#endif /* BLOCK_COROUTINES_H */

5
include/sysemu/block-backend-io.h
View File

@ -167,7 +167,10 @@ int coroutine_fn blk_co_pdiscard(BlockBackend *blk, int64_t offset,
int generated_co_wrapper blk_flush(BlockBackend *blk);
int coroutine_fn blk_co_flush(BlockBackend *blk);
int blk_ioctl(BlockBackend *blk, unsigned long int req, void *buf);
int generated_co_wrapper blk_ioctl(BlockBackend *blk, unsigned long int req,
void *buf);
int coroutine_fn blk_co_ioctl(BlockBackend *blk, unsigned long int req,
void *buf);
int generated_co_wrapper blk_pwrite_compressed(BlockBackend *blk,
int64_t offset, int64_t bytes,