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block/block-copy: add list of all call-states

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It simplifies debugging.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20210116214705.822267-6-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-01-17 00:46:47 +03:00 committed by Max Reitz
parent 26be9d62dd
commit 2e099a9d29
1 changed files with 10 additions and 1 deletions
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11
block/block-copy.c
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@ -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;
}