block-backend: convert blk_co_pwritev_part to int64_t bytes
We convert blk_do_pwritev_part() and some wrappers: blk_co_pwritev_part(), blk_co_pwritev(), blk_co_pwrite_zeroes(). All functions are converted so that the parameter type becomes wider, so all callers should be OK with it. Look at blk_do_pwritev_part() body: bytes is passed to: - trace_blk_co_pwritev (we update it here) - blk_check_byte_request, throttle_group_co_io_limits_intercept, bdrv_co_pwritev_part - all already have int64_t argument. Note that requests exceeding INT_MAX are still restricted by blk_check_byte_request(). Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Message-Id: <20211006131718.214235-4-vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> [eblake: grammar tweaks] Signed-off-by: Eric Blake <eblake@redhat.com>
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@ -1250,7 +1250,7 @@ int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset,
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/* To be called between exactly one pair of blk_inc/dec_in_flight() */
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/* To be called between exactly one pair of blk_inc/dec_in_flight() */
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static int coroutine_fn
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static int coroutine_fn
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blk_do_pwritev_part(BlockBackend *blk, int64_t offset, unsigned int bytes,
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blk_do_pwritev_part(BlockBackend *blk, int64_t offset, int64_t bytes,
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QEMUIOVector *qiov, size_t qiov_offset,
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QEMUIOVector *qiov, size_t qiov_offset,
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BdrvRequestFlags flags)
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BdrvRequestFlags flags)
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{
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{
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@ -1286,7 +1286,7 @@ blk_do_pwritev_part(BlockBackend *blk, int64_t offset, unsigned int bytes,
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}
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}
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int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset,
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int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset,
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unsigned int bytes,
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int64_t bytes,
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QEMUIOVector *qiov, size_t qiov_offset,
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QEMUIOVector *qiov, size_t qiov_offset,
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BdrvRequestFlags flags)
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BdrvRequestFlags flags)
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{
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{
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@ -1300,7 +1300,7 @@ int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset,
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}
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}
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int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
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int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
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unsigned int bytes, QEMUIOVector *qiov,
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int64_t bytes, QEMUIOVector *qiov,
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BdrvRequestFlags flags)
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BdrvRequestFlags flags)
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{
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{
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return blk_co_pwritev_part(blk, offset, bytes, qiov, 0, flags);
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return blk_co_pwritev_part(blk, offset, bytes, qiov, 0, flags);
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@ -2214,7 +2214,7 @@ void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk,
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}
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}
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int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
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int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
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int bytes, BdrvRequestFlags flags)
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int64_t bytes, BdrvRequestFlags flags)
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{
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{
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return blk_co_pwritev(blk, offset, bytes, NULL,
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return blk_co_pwritev(blk, offset, bytes, NULL,
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flags | BDRV_REQ_ZERO_WRITE);
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flags | BDRV_REQ_ZERO_WRITE);
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@ -6,7 +6,7 @@ bdrv_lock_medium(void *bs, bool locked) "bs %p locked %d"
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# block-backend.c
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# block-backend.c
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blk_co_preadv(void *blk, void *bs, int64_t offset, int64_t bytes, int flags) "blk %p bs %p offset %"PRId64" bytes %" PRId64 " flags 0x%x"
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blk_co_preadv(void *blk, void *bs, int64_t offset, int64_t bytes, int flags) "blk %p bs %p offset %"PRId64" bytes %" PRId64 " flags 0x%x"
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blk_co_pwritev(void *blk, void *bs, int64_t offset, unsigned int bytes, int flags) "blk %p bs %p offset %"PRId64" bytes %u flags 0x%x"
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blk_co_pwritev(void *blk, void *bs, int64_t offset, int64_t bytes, int flags) "blk %p bs %p offset %"PRId64" bytes %" PRId64 " flags 0x%x"
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blk_root_attach(void *child, void *blk, void *bs) "child %p blk %p bs %p"
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blk_root_attach(void *child, void *blk, void *bs) "child %p blk %p bs %p"
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blk_root_detach(void *child, void *blk, void *bs) "child %p blk %p bs %p"
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blk_root_detach(void *child, void *blk, void *bs) "child %p blk %p bs %p"
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@ -129,11 +129,11 @@ int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset,
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int64_t bytes, QEMUIOVector *qiov,
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int64_t bytes, QEMUIOVector *qiov,
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BdrvRequestFlags flags);
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BdrvRequestFlags flags);
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int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset,
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int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset,
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unsigned int bytes,
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int64_t bytes,
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QEMUIOVector *qiov, size_t qiov_offset,
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QEMUIOVector *qiov, size_t qiov_offset,
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BdrvRequestFlags flags);
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BdrvRequestFlags flags);
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int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
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int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset,
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unsigned int bytes, QEMUIOVector *qiov,
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int64_t bytes, QEMUIOVector *qiov,
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BdrvRequestFlags flags);
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BdrvRequestFlags flags);
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static inline int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset,
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static inline int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset,
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@ -243,7 +243,7 @@ int blk_get_open_flags_from_root_state(BlockBackend *blk);
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void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk,
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void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk,
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BlockCompletionFunc *cb, void *opaque);
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BlockCompletionFunc *cb, void *opaque);
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int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
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int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
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int bytes, BdrvRequestFlags flags);
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int64_t bytes, BdrvRequestFlags flags);
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int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, const void *buf,
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int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, const void *buf,
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int bytes);
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int bytes);
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int blk_truncate(BlockBackend *blk, int64_t offset, bool exact,
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int blk_truncate(BlockBackend *blk, int64_t offset, bool exact,
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