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| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-06-01 13:51:40 +0200 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2023-06-28 09:46:28 +0200 |
| commit | 688dc49da5af749c54def041b8e1594adf048f96 (patch) | |
| tree | bf824a0cafb81756bf4dbb86100b176cd8b733c8 /block | |
| parent | cf8d4c582b58f4f83f3b5b9bd7937de98cfb496a (diff) | |
| download | qemu-688dc49da5af749c54def041b8e1594adf048f96.zip qemu-688dc49da5af749c54def041b8e1594adf048f96.tar.gz qemu-688dc49da5af749c54def041b8e1594adf048f96.tar.bz2 | |
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>
Diffstat (limited to 'block')
| -rw-r--r-- | block/dmg.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/block/dmg.c b/block/dmg.c index 2769900..06a0244 100644 --- a/block/dmg.c +++ b/block/dmg.c @@ -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) { |