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authorKevin Wolf <kwolf@redhat.com>2023-09-29 16:51:51 +0200
committerKevin Wolf <kwolf@redhat.com>2023-10-12 16:31:33 +0200
commit5155853e90388d9c8c5370bcbe1b6484a92ee710 (patch)
treeac89d99444cb078d854b766546ba8d19d444a68b
parentde4fed6f4ef7f2f1a1bce50a2cbbb7fdd397b7ec (diff)
downloadfocaccia-qemu-5155853e90388d9c8c5370bcbe1b6484a92ee710.tar.gz
focaccia-qemu-5155853e90388d9c8c5370bcbe1b6484a92ee710.zip
qcow2: Mark check_constraints_on_bitmap() GRAPH_RDLOCK
It still has an assume_graph_lock() call, but all of its callers are now
properly annotated to hold the graph lock. Update the function to be
GRAPH_RDLOCK as well and remove the assume_graph_lock().

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20230929145157.45443-17-kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--block/qcow2-bitmap.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c
index 6996eab9e1..3058309c47 100644
--- a/block/qcow2-bitmap.c
+++ b/block/qcow2-bitmap.c
@@ -156,18 +156,15 @@ static int64_t get_bitmap_bytes_needed(int64_t len, uint32_t granularity)
     return DIV_ROUND_UP(num_bits, 8);
 }
 
-static int check_constraints_on_bitmap(BlockDriverState *bs,
-                                       const char *name,
-                                       uint32_t granularity,
-                                       Error **errp)
+static int GRAPH_RDLOCK
+check_constraints_on_bitmap(BlockDriverState *bs, const char *name,
+                            uint32_t granularity, Error **errp)
 {
     BDRVQcow2State *s = bs->opaque;
     int granularity_bits = ctz32(granularity);
     int64_t len = bdrv_getlength(bs);
     int64_t bitmap_bytes;
 
-    assume_graph_lock(); /* FIXME */
-
     assert(granularity > 0);
     assert((granularity & (granularity - 1)) == 0);