From 2e099a9d29b2f8791ceaa4a54479e613f45180bd Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Sun, 17 Jan 2021 00:46:47 +0300 Subject: block/block-copy: add list of all call-states It simplifies debugging. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Max Reitz Message-Id: <20210116214705.822267-6-vsementsov@virtuozzo.com> Signed-off-by: Max Reitz --- block/block-copy.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'block/block-copy.c') diff --git a/block/block-copy.c b/block/block-copy.c index 35213bd832..6bf1735b93 100644 --- a/block/block-copy.c +++ b/block/block-copy.c @@ -42,6 +42,9 @@ typedef struct BlockCopyCallState { /* Coroutine where async block-copy is running */ Coroutine *co; + /* To reference all call states from BlockCopyState */ + QLIST_ENTRY(BlockCopyCallState) list; + /* State */ int ret; bool finished; @@ -81,7 +84,8 @@ typedef struct BlockCopyState { bool use_copy_range; int64_t copy_size; uint64_t len; - QLIST_HEAD(, BlockCopyTask) tasks; + QLIST_HEAD(, BlockCopyTask) tasks; /* All tasks from all block-copy calls */ + QLIST_HEAD(, BlockCopyCallState) calls; BdrvRequestFlags write_flags; @@ -282,6 +286,7 @@ BlockCopyState *block_copy_state_new(BdrvChild *source, BdrvChild *target, } QLIST_INIT(&s->tasks); + QLIST_INIT(&s->calls); return s; } @@ -669,6 +674,8 @@ static int coroutine_fn block_copy_common(BlockCopyCallState *call_state) { int ret; + QLIST_INSERT_HEAD(&call_state->s->calls, call_state, list); + do { ret = block_copy_dirty_clusters(call_state); @@ -694,6 +701,8 @@ static int coroutine_fn block_copy_common(BlockCopyCallState *call_state) call_state->cb(call_state->cb_opaque); } + QLIST_REMOVE(call_state, list); + return ret; } -- cgit v1.2.3