RE: [PATCH v3 05/10] fsdax: Replace mmap entry in case of CoW

> -Original Message- > From: Ritesh Harjani > Sent: Thursday, April 1, 2021 2:40 PM > Subject: Re: [PATCH v3 05/10] fsdax: Replace mmap entry in case of CoW > > On 21/03/19 09:52AM, Shiyang Ruan wrote: > > We replace the existing entry to the newly allo

Re: [PATCH v3 05/10] fsdax: Replace mmap entry in case of CoW

On 21/03/19 09:52AM, Shiyang Ruan wrote: > We replace the existing entry to the newly allocated one in case of CoW. > Also, we mark the entry as PAGECACHE_TAG_TOWRITE so writeback marks this > entry as writeprotected. This helps us snapshots so new write > pagefaults after snapshots trigger a