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Reorder metadata updating patter in WB mode

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In WB mode metadata should be updated only if the actuall data had been saved
on disk. Otherwise metadata might be flushed too early and consequently data
corruption might occur.

Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2021-06-17 09:42:58 +02:00
parent 847f5f1174
commit 0192ce23dd
1 changed files with 2 additions and 3 deletions
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5
src/engine/engine_wb.c
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@ -74,6 +74,8 @@ static int ocf_write_wb_do_flush_metadata(struct ocf_request *req)
env_atomic_set(&req->req_remaining, 1); /* One core IO */
_ocf_write_wb_update_bits(req);
if (req->info.flush_metadata) {
OCF_DEBUG_RQ(req, "Flush metadata");
ocf_metadata_flush_do_asynch(cache, req,
@ -152,9 +154,6 @@ int ocf_write_wb_do(struct ocf_request *req)
/* Get OCF request - increase reference counter */
ocf_req_get(req);
/* Update status bits */
_ocf_write_wb_update_bits(req);
/* Submit IO */
_ocf_write_wb_submit(req);