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Properly lock hash bucket for status bits operations

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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski
2021-02-15 19:42:42 -06:00
parent 75baec5aa5
commit cd9e42f987
4 changed files with 43 additions and 30 deletions
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22
src/engine/engine_wb.c
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@@ -27,22 +27,24 @@ static const struct ocf_io_if _io_if_wb_resume = {
static void _ocf_write_wb_update_bits(struct ocf_request *req)
{
if (ocf_engine_is_miss(req)) {
ocf_hb_req_prot_lock_rd(req);
bool miss = ocf_engine_is_miss(req);
bool clean_any = !ocf_engine_is_dirty_all(req);
if (!miss && !clean_any) {
ocf_req_set_cleaning_hot(req);
return;
}
ocf_hb_req_prot_lock_wr(req);
if (miss) {
/* Update valid status bits */
ocf_set_valid_map_info(req);
ocf_hb_req_prot_unlock_rd(req);
}
if (!ocf_engine_is_dirty_all(req)) {
ocf_hb_req_prot_lock_wr(req);
if (clean_any) {
/* set dirty bits, and mark if metadata flushing is required */
ocf_set_dirty_map_info(req);
ocf_hb_req_prot_unlock_wr(req);
}
ocf_hb_req_prot_unlock_wr(req);
ocf_req_set_cleaning_hot(req);
}