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dmg: mark more functions as coroutine_fns and GRAPH_RDLOCK 

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: <20230601115145.196465-8-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 13:51:40 +02:00 committed by Kevin Wolf
parent cf8d4c582b
commit 688dc49da5
1 changed files with 11 additions and 10 deletions
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21
block/dmg.c
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@ -616,7 +616,8 @@ err:
return s->n_chunks; /* error */
}
static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
static int coroutine_fn GRAPH_RDLOCK
dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
{
BDRVDMGState *s = bs->opaque;
@ -633,8 +634,8 @@ static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
case UDZO: { /* zlib compressed */
/* we need to buffer, because only the chunk as whole can be
* inflated. */
ret = bdrv_pread(bs->file, s->offsets[chunk], s->lengths[chunk],
s->compressed_chunk, 0);
ret = bdrv_co_pread(bs->file, s->offsets[chunk], s->lengths[chunk],
s->compressed_chunk, 0);
if (ret < 0) {
return -1;
}
@ -659,8 +660,8 @@ static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
}
/* we need to buffer, because only the chunk as whole can be
* inflated. */
ret = bdrv_pread(bs->file, s->offsets[chunk], s->lengths[chunk],
s->compressed_chunk, 0);
ret = bdrv_co_pread(bs->file, s->offsets[chunk], s->lengths[chunk],
s->compressed_chunk, 0);
if (ret < 0) {
return -1;
}
@ -680,8 +681,8 @@ static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
}
/* we need to buffer, because only the chunk as whole can be
* inflated. */
ret = bdrv_pread(bs->file, s->offsets[chunk], s->lengths[chunk],
s->compressed_chunk, 0);
ret = bdrv_co_pread(bs->file, s->offsets[chunk], s->lengths[chunk],
s->compressed_chunk, 0);
if (ret < 0) {
return -1;
}
@ -696,8 +697,8 @@ static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
}
break;
case UDRW: /* copy */
ret = bdrv_pread(bs->file, s->offsets[chunk], s->lengths[chunk],
s->uncompressed_chunk, 0);
ret = bdrv_co_pread(bs->file, s->offsets[chunk], s->lengths[chunk],
s->uncompressed_chunk, 0);
if (ret < 0) {
return -1;
}
@ -713,7 +714,7 @@ static inline int dmg_read_chunk(BlockDriverState *bs, uint64_t sector_num)
return 0;
}
static int coroutine_fn
static int coroutine_fn GRAPH_RDLOCK
dmg_co_preadv(BlockDriverState *bs, int64_t offset, int64_t bytes,
QEMUIOVector *qiov, BdrvRequestFlags flags)
{