block-backend: Make blk_inc/dec_in_flight public

For some users of BlockBackends, just increasing the in_flight counter
is easier than implementing separate handlers in BlockDevOps. Make the
helper functions for this public.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block/block-backend.c b/block/block-backend.c
index f6ea8243080bb13dc1ac443fc4800d3eaded47e8..0219555f89ea7440553a05153cfb2cf373a241c5 100644 (file)
--- a/block/block-backend.c
+++ b/block/block-backend.c
@@ -1262,12 +1262,12 @@ int blk_make_zero(BlockBackend *blk, BdrvRequestFlags flags)
     return bdrv_make_zero(blk->root, flags);
 }
 
-static void blk_inc_in_flight(BlockBackend *blk)
+void blk_inc_in_flight(BlockBackend *blk)
 {
     atomic_inc(&blk->in_flight);
 }
 
-static void blk_dec_in_flight(BlockBackend *blk)
+void blk_dec_in_flight(BlockBackend *blk)
 {
     atomic_dec(&blk->in_flight);
     aio_wait_kick();

diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index 832a4bf168763c87af0dbf10d18d65af323d0dc9..e2066eb06b2e2bea3ac72bc24bc782b9e4ccb147 100644 (file)
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -156,6 +156,8 @@ int blk_co_pdiscard(BlockBackend *blk, int64_t offset, int bytes);
 int blk_co_flush(BlockBackend *blk);
 int blk_flush(BlockBackend *blk);
 int blk_commit_all(void);
+void blk_inc_in_flight(BlockBackend *blk);
+void blk_dec_in_flight(BlockBackend *blk);
 void blk_drain(BlockBackend *blk);
 void blk_drain_all(void);
 void blk_set_on_error(BlockBackend *blk, BlockdevOnError on_read_error,