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block: Implement blk_pdiscard() using 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: <20220705161527.1054072-14-afaria@redhat.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
Alberto Faria 2022-07-05 17:15:21 +01:00 committed by Hanna Reitz
parent 1c95dc914a
commit 50db162df0
3 changed files with 2 additions and 16 deletions
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12
block/block-backend.c
View File

@ -1711,18 +1711,6 @@ int coroutine_fn blk_co_pdiscard(BlockBackend *blk, int64_t offset,
return ret;
}
int blk_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes)
{
int ret;
IO_OR_GS_CODE();
blk_inc_in_flight(blk);
ret = blk_do_pdiscard(blk, offset, bytes);
blk_dec_in_flight(blk);
return ret;
}
/* To be called between exactly one pair of blk_inc/dec_in_flight() */
int coroutine_fn blk_co_do_flush(BlockBackend *blk)
{

3
block/coroutines.h
View File

@ -110,9 +110,6 @@ 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);
int generated_co_wrapper
blk_do_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes);
int generated_co_wrapper blk_do_flush(BlockBackend *blk);
#endif /* BLOCK_COROUTINES_H */

3
include/sysemu/block-backend-io.h
View File

@ -159,6 +159,8 @@ static inline int coroutine_fn blk_co_pwrite(BlockBackend *blk, int64_t offset,
return blk_co_pwritev(blk, offset, bytes, &qiov, flags);
}
int generated_co_wrapper blk_pdiscard(BlockBackend *blk, int64_t offset,
int64_t bytes);
int coroutine_fn blk_co_pdiscard(BlockBackend *blk, int64_t offset,
int64_t bytes);
@ -172,7 +174,6 @@ int generated_co_wrapper blk_pwrite_compressed(BlockBackend *blk,
const void *buf);
int coroutine_fn blk_co_pwrite_compressed(BlockBackend *blk, int64_t offset,
int64_t bytes, const void *buf);
int blk_pdiscard(BlockBackend *blk, int64_t offset, int64_t bytes);
int generated_co_wrapper blk_pwrite_zeroes(BlockBackend *blk, int64_t offset,
int64_t bytes,
BdrvRequestFlags flags);