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Merge pull request #523 from arutk/metadata_updater_opt

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fastpath for metadata update
This commit is contained in:
Robert Baldyga 2021-06-21 20:31:10 +02:00 committed by GitHub
commit 658e656e3f
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 13 deletions
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28
src/metadata/metadata_io.c
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@ -310,26 +310,26 @@ void metadata_io_req_finalize(struct metadata_io_request *m_req)
a_req->alloc_req_count); a_req->alloc_req_count);
} }
static void metadata_io_req_submit(struct metadata_io_request *m_req) static bool metadata_io_req_lock(struct metadata_io_request *m_req)
{ {
struct metadata_io_request_asynch *a_req = m_req->asynch; struct metadata_io_request_asynch *a_req = m_req->asynch;
int lock; int lock;
env_atomic_set(&m_req->finished, 0); env_atomic_set(&m_req->finished, 0);
if (a_req->mio_conc) { if (!a_req->mio_conc)
lock = ocf_mio_async_lock(a_req->mio_conc, m_req, return true;
metadata_io_page_lock_acquired);
if (lock < 0) { lock = ocf_mio_async_lock(a_req->mio_conc, m_req,
a_req->error = lock; metadata_io_page_lock_acquired);
metadata_io_req_finalize(m_req);
return; if (lock < 0) {
} a_req->error = lock;
metadata_io_req_finalize(m_req);
return false;
} }
if (!a_req->mio_conc || lock == OCF_LOCK_ACQUIRED) return (lock == OCF_LOCK_ACQUIRED);
metadata_io_page_lock_acquired(&m_req->req);
} }
void metadata_io_req_end(struct metadata_io_request *m_req) void metadata_io_req_end(struct metadata_io_request *m_req)
@ -391,7 +391,8 @@ static void metadata_io_req_start(struct metadata_io_request *m_req)
return; return;
} }
metadata_io_req_submit(m_req); if (metadata_io_req_lock(m_req))
metadata_io_restart_req(&m_req->req);
} }
void metadata_io_req_complete(struct metadata_io_request *m_req) void metadata_io_req_complete(struct metadata_io_request *m_req)
@ -403,7 +404,8 @@ void metadata_io_req_complete(struct metadata_io_request *m_req)
return; return;
} }
metadata_io_req_submit(m_req); if (metadata_io_req_lock(m_req))
ocf_engine_push_req_front(&m_req->req, true);
} }
/* /*