diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2021-10-06 15:17:08 +0200 |
|---|---|---|
| committer | Eric Blake <eblake@redhat.com> | 2021-10-15 15:46:44 -0500 |
| commit | 9547907705c94fa0415427ce12be418f8b68b56d (patch) | |
| tree | 930e7f9d6ac961b3d9f8e282d4e27639391fd87f /block/block-backend.c | |
| parent | 7242db6389261cb936bd2240351b137843d49807 (diff) | |
block-backend: make blk_co_preadv() 64bit
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>
Diffstat (limited to 'block/block-backend.c')
| -rw-r--r-- | block/block-backend.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/block/block-backend.c b/block/block-backend.c index 2c62210687..3199f84e96 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -1205,7 +1205,7 @@ static void coroutine_fn blk_wait_while_drained(BlockBackend *blk) /* To be called between exactly one pair of blk_inc/dec_in_flight() */ static int coroutine_fn -blk_do_preadv(BlockBackend *blk, int64_t offset, unsigned int bytes, +blk_do_preadv(BlockBackend *blk, int64_t offset, int64_t bytes, QEMUIOVector *qiov, BdrvRequestFlags flags) { int ret; @@ -1236,7 +1236,7 @@ blk_do_preadv(BlockBackend *blk, int64_t offset, unsigned int bytes, } int coroutine_fn blk_co_preadv(BlockBackend *blk, int64_t offset, - unsigned int bytes, QEMUIOVector *qiov, + int64_t bytes, QEMUIOVector *qiov, BdrvRequestFlags flags) { int ret; |