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From: Kevin Wolf <kwolf@redhat.com>
To: qemu-block@nongnu.org
Cc: kwolf@redhat.com,
	stefanha@redhat.com,
	qemu-devel@nongnu.org
Subject: [PULL 44/58] qcow: manually add more coroutine_fn annotations
Date: Thu, 27 Oct 2022 20:31:32 +0200
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From: Paolo Bonzini <pbonzini@redhat.com>

get_cluster_offset() and decompress_cluster() are only called from
the read and write paths.

The validity of these was double-checked with Alberto Faria's static analyz=
er.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221013123711.620631-12-pbonzini@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
---
 block/qcow.c | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/block/qcow.c b/block/qcow.c
index 72ed4c3321..46bbabd2e3 100644
--- a/block/qcow.c
+++ b/block/qcow.c
@@ -92,7 +92,8 @@ typedef struct BDRVQcowState {
=20
 static QemuOptsList qcow_create_opts;
=20
-static int decompress_cluster(BlockDriverState *bs, uint64_t cluster_offse=
t);
+static int coroutine_fn decompress_cluster(BlockDriverState *bs,
+                                           uint64_t cluster_offset);
=20
 static int qcow_probe(const uint8_t *buf, int buf_size, const char *filena=
me)
 {
@@ -349,10 +350,11 @@ static int qcow_reopen_prepare(BDRVReopenState *state,
  * return 0 if not allocated, 1 if *result is assigned, and negative
  * errno on failure.
  */
-static int get_cluster_offset(BlockDriverState *bs,
-                              uint64_t offset, int allocate,
-                              int compressed_size,
-                              int n_start, int n_end, uint64_t *result)
+static int coroutine_fn get_cluster_offset(BlockDriverState *bs,
+                                           uint64_t offset, int allocate,
+                                           int compressed_size,
+                                           int n_start, int n_end,
+                                           uint64_t *result)
 {
     BDRVQcowState *s =3D bs->opaque;
     int min_index, i, j, l1_index, l2_index, ret;
@@ -583,7 +585,8 @@ static int decompress_buffer(uint8_t *out_buf, int out_=
buf_size,
     return 0;
 }
=20
-static int decompress_cluster(BlockDriverState *bs, uint64_t cluster_offse=
t)
+static int coroutine_fn decompress_cluster(BlockDriverState *bs,
+                                           uint64_t cluster_offset)
 {
     BDRVQcowState *s =3D bs->opaque;
     int ret, csize;
--=20
2.37.3