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block-backend: make blk_co_preadv() 64bit

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For both updated functions, the type of bytes becomes wider, so all callers
should be OK with it.

blk_co_preadv() only passes its arguments to blk_do_preadv().

blk_do_preadv() passes bytes to:

 - trace_blk_co_preadv, which is updated too
 - blk_check_byte_request, throttle_group_co_io_limits_intercept,
   bdrv_co_preadv, which are already int64_t.

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: <20211006131718.214235-3-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[eblake: grammar tweaks]
Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-10-06 15:17:08 +02:00 • committed by Eric Blake
parent 7242db6389
commit 9547907705
3 changed files with 4 additions and 4 deletions
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2
block/trace-events
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@ -5,7 +5,7 @@ bdrv_open_common(void *bs, const char *filename, int flags, const char *format_n
bdrv_lock_medium(void *bs, bool locked) "bs %p locked %d"
# block-backend.c
blk_co_preadv(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_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_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"