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nvme: remove initialization of nvme_reqest::parent

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The parent field is in the cache line of nvme_request that is only
supposed to be accessed for split (child) I/Os.  All accesses to parent
are done from child-specific calls now, so it does not need to be
initialized in the common case of a non-split I/O.
nvme_request_add_child() will set parent when splitting occurs.

Change-Id: Ib86c16ba1ea2ce32f62079831101da2a099047af
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2016-02-18 15:15:36 -07:00
parent 7c34c2005d
commit 639fee5f13
1 changed files with 0 additions and 1 deletions
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lib/nvme/nvme.c
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@ -150,7 +150,6 @@ nvme_allocate_request(const struct nvme_payload *payload, uint32_t payload_size,
req->cb_fn = cb_fn;
req->cb_arg = cb_arg;
req->timeout = true;
req->parent = NULL;
req->payload = *payload;
req->payload_size = payload_size;