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cloop: mark more functions as coroutine_fns and GRAPH_RDLOCK

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Mark functions as coroutine_fn when they are only called by other coroutine_fns
and they can suspend.  Change calls to co_wrappers to use the non-wrapped
functions, which in turn requires adding GRAPH_RDLOCK annotations.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20230601115145.196465-7-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-06-01 13:51:39 +02:00 committed by Kevin Wolf
parent 84569a7df3
commit cf8d4c582b
1 changed files with 5 additions and 4 deletions
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9
block/cloop.c
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@ -212,7 +212,8 @@ static void cloop_refresh_limits(BlockDriverState *bs, Error **errp)
bs->bl.request_alignment = BDRV_SECTOR_SIZE; /* No sub-sector I/O */
}
static inline int cloop_read_block(BlockDriverState *bs, int block_num)
static int coroutine_fn GRAPH_RDLOCK
cloop_read_block(BlockDriverState *bs, int block_num)
{
BDRVCloopState *s = bs->opaque;
@ -220,8 +221,8 @@ static inline int cloop_read_block(BlockDriverState *bs, int block_num)
int ret;
uint32_t bytes = s->offsets[block_num + 1] - s->offsets[block_num];
ret = bdrv_pread(bs->file, s->offsets[block_num], bytes,
s->compressed_block, 0);
ret = bdrv_co_pread(bs->file, s->offsets[block_num], bytes,
s->compressed_block, 0);
if (ret < 0) {
return -1;
}
@ -244,7 +245,7 @@ static inline int cloop_read_block(BlockDriverState *bs, int block_num)
return 0;
}
static int coroutine_fn
static int coroutine_fn GRAPH_RDLOCK
cloop_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
QEMUIOVector *qiov, BdrvRequestFlags flags)
{