diff mbox series

[16/22] qcow2: Mark check_constraints_on_bitmap() GRAPH_RDLOCK

Message ID 20230929145157.45443-17-kwolf@redhat.com (mailing list archive)
State New, archived
Headers show
Series block: Graph locking part 5 (protect children/parent links) | expand

Commit Message

Kevin Wolf Sept. 29, 2023, 2:51 p.m. UTC 
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>
---
 block/qcow2-bitmap.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/block/qcow2-bitmap.c b/block/qcow2-bitmap.c
index 80f3ecea62..9c1b5e3d00 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);