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Add function to check for lazy write cache mode (WO or WB)

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Signed-off-by: Adam Rutkowski <adam.j.rutkowski@intel.com>
This commit is contained in:
Adam Rutkowski
2019-06-04 13:29:45 -04:00
parent a6312eb8aa
commit b97bb6f53b
4 changed files with 28 additions and 3 deletions
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9
src/ocf_core.c
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@@ -251,7 +251,9 @@ void ocf_core_submit_io_mode(struct ocf_io *io, ocf_cache_mode_t cache_mode)
if (cache_mode == ocf_cache_mode_none)
req_cache_mode = ocf_get_effective_cache_mode(cache, core, io);
if (req_cache_mode == ocf_req_cache_mode_wb &&
if (io->dir == OCF_WRITE &&
ocf_req_cache_mode_has_lazy_write(req_cache_mode) &&
ocf_io_set_dirty(cache, core_io)) {
req_cache_mode = ocf_req_cache_mode_wt;
}
@@ -319,7 +321,9 @@ int ocf_core_submit_io_fast(struct ocf_io *io)
}
req_cache_mode = ocf_get_effective_cache_mode(cache, core, io);
if (req_cache_mode == ocf_req_cache_mode_wb &&
if (io->dir == OCF_WRITE &&
ocf_req_cache_mode_has_lazy_write(req_cache_mode) &&
ocf_io_set_dirty(cache, core_io)) {
req_cache_mode = ocf_req_cache_mode_wt;
}
@@ -328,6 +332,7 @@ int ocf_core_submit_io_fast(struct ocf_io *io)
case ocf_req_cache_mode_pt:
return -OCF_ERR_IO;
case ocf_req_cache_mode_wb:
case ocf_req_cache_mode_wo:
req_cache_mode = ocf_req_cache_mode_fast;
break;
default: