From 34460feb63230daad12b0e0f31754f7ef5bc2be9 Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Wed, 6 Oct 2021 15:17:09 +0200 Subject: [PATCH] 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 Message-Id: <20211006131718.214235-4-vsementsov@virtuozzo.com> Reviewed-by: Eric Blake [eblake: grammar tweaks] Signed-off-by: Eric Blake --- block/block-backend.c | 8 ++++---- block/trace-events | 2 +- include/sysemu/block-backend.h | 6 +++--- 3 files changed, 8 insertions(+), 8 deletions(-) diff --git a/block/block-backend.c b/block/block-backend.c index 3199f84e96..105f0afff9 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1250,7 +1250,7 @@ int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset, /* To be called between exactly one pair of blk_inc/dec_in_flight() */ static int coroutine_fn -blk_do_pwritev_part(BlockBackend *blk, int64_t offset, unsigned int bytes, +blk_do_pwritev_part(BlockBackend *blk, int64_t offset, int64_t bytes, QEMUIOVector *qiov, size_t qiov_offset, BdrvRequestFlags flags) { @@ -1286,7 +1286,7 @@ blk_do_pwritev_part(BlockBackend *blk, int64_t offset, unsigned int bytes, } int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset, - unsigned int bytes, + int64_t bytes, QEMUIOVector *qiov, size_t qiov_offset, BdrvRequestFlags flags) { @@ -1300,7 +1300,7 @@ int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset, } int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, - unsigned int bytes, QEMUIOVector *qiov, + int64_t bytes, QEMUIOVector *qiov, BdrvRequestFlags flags) { return blk_co_pwritev_part(blk, offset, bytes, qiov, 0, flags); @@ -2214,7 +2214,7 @@ void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, } int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, - int bytes, BdrvRequestFlags flags) + int64_t bytes, BdrvRequestFlags flags) { return blk_co_pwritev(blk, offset, bytes, NULL, flags | BDRV_REQ_ZERO_WRITE); diff --git a/block/trace-events b/block/trace-events index ff397ffff4..ab56edacb4 100644 --- a/block/trace-events +++ b/block/trace-events @@ -6,7 +6,7 @@ bdrv_lock_medium(void *bs, bool locked) "bs %p locked %d" # block-backend.c 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" -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" +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" blk_root_attach(void *child, void *blk, void *bs) "child %p blk %p bs %p" blk_root_detach(void *child, void *blk, void *bs) "child %p blk %p bs %p" diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index 442fd705bb..91457a081e 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -129,11 +129,11 @@ int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset, int64_t bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); int coroutine_fn blk_co_pwritev_part(BlockBackend *blk, int64_t offset, - unsigned int bytes, + int64_t bytes, QEMUIOVector *qiov, size_t qiov_offset, BdrvRequestFlags flags); int coroutine_fn blk_co_pwritev(BlockBackend *blk, int64_t offset, - unsigned int bytes, QEMUIOVector *qiov, + int64_t bytes, QEMUIOVector *qiov, BdrvRequestFlags flags); static inline int coroutine_fn blk_co_pread(BlockBackend *blk, int64_t offset, @@ -243,7 +243,7 @@ int blk_get_open_flags_from_root_state(BlockBackend *blk); void *blk_aio_get(const AIOCBInfo *aiocb_info, BlockBackend *blk, BlockCompletionFunc *cb, void *opaque); int coroutine_fn blk_co_pwrite_zeroes(BlockBackend *blk, int64_t offset, - int bytes, BdrvRequestFlags flags); + int64_t bytes, BdrvRequestFlags flags); int blk_pwrite_compressed(BlockBackend *blk, int64_t offset, const void *buf, int bytes); int blk_truncate(BlockBackend *blk, int64_t offset, bool exact,