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Extend BF queue protection to cache device queue

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So far the only resource protected by backfill queue blocking was internal
OCF request queue. Move unblock to backfill io completion to protect also
queue of underlying cache device.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga 2022-03-02 20:59:51 +01:00
parent 6af8d20cee
commit 45cc56f40d
1 changed files with 2 additions and 2 deletions
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4
src/engine/engine_bf.c
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@ -54,6 +54,8 @@ static void _ocf_backfill_complete(struct ocf_request *req, int error)
if (env_atomic_dec_return(&req->req_remaining))
return;
backfill_queue_dec_unblock(req->cache);
/* We must free the pages we have allocated */
ctx_data_secure_erase(cache->owner, req->data);
ctx_data_munlock(cache->owner, req->data);
@ -75,8 +77,6 @@ static int _ocf_backfill_do(struct ocf_request *req)
{
unsigned int reqs_to_issue;
backfill_queue_dec_unblock(req->cache);
reqs_to_issue = ocf_engine_io_count(req);
/* There will be #reqs_to_issue completions */