On Fri, Sep 27, 2024 at 07:16:15PM -0700, Kanchana P Sridhar wrote: > Modify the name of the existing zswap_pool_get() to zswap_pool_tryget() > to be representative of the call it makes to percpu_ref_tryget(). > A subsequent patch will introduce a new zswap_pool_get() that calls > percpu_ref_get(). > > The intent behind this change is for higher level zswap API such as > zswap_store() to call zswap_pool_tryget() to check upfront if the pool's > refcount is "0" (which means it could be getting destroyed) and to handle > this as an error condition. zswap_store() would proceed only if > zswap_pool_tryget() returns success, and any additional pool refcounts that > need to be obtained for compressing sub-pages in a large folio could simply > call zswap_pool_get(). > > Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@xxxxxxxxx> Acked-by: Johannes Weiner <hannes@xxxxxxxxxxx>
