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Wed, 17 Apr 2024 17:28:31 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHnGifVjUZc6JYr8+X4V1IU5XrfsR1gvJ+hBF0QCqo64SetRIuf3s/amABGErI5D2wT3b3w3Q== X-Received: by 2002:a17:902:a70b:b0:1de:e6a5:e51d with SMTP id w11-20020a170902a70b00b001dee6a5e51dmr1125472plq.16.1713400110923; Wed, 17 Apr 2024 17:28:30 -0700 (PDT) Received: from [10.72.116.40] ([43.228.180.230]) by smtp.gmail.com with ESMTPSA id x2-20020a170902820200b001e042dc5202sm238888pln.80.2024.04.17.17.28.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Apr 2024 17:28:30 -0700 (PDT) Message-ID: Date: Thu, 18 Apr 2024 08:28:22 +0800 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/8] ceph: drop usage of page_index To: Kairui Song , linux-mm@kvack.org Cc: Andrew Morton , "Huang, Ying" , Matthew Wilcox , Chris Li , Barry Song , Ryan Roberts , Neil Brown , Minchan Kim , Hugh Dickins , David Hildenbrand , Yosry Ahmed , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Ilya Dryomov , Jeff Layton , ceph-devel@vger.kernel.org References: <20240417160842.76665-1-ryncsn@gmail.com> <20240417160842.76665-5-ryncsn@gmail.com> Content-Language: en-US From: Xiubo Li In-Reply-To: <20240417160842.76665-5-ryncsn@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 4/18/24 00:08, Kairui Song wrote: > From: Kairui Song > > page_index is needed for mixed usage of page cache and swap cache, > for pure page cache usage, the caller can just use page->index instead. > > It can't be a swap cache page here, so just drop it. > > Signed-off-by: Kairui Song > Cc: Xiubo Li > Cc: Ilya Dryomov > Cc: Jeff Layton > Cc: ceph-devel@vger.kernel.org > --- > fs/ceph/dir.c | 2 +- > fs/ceph/inode.c | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c > index 0e9f56eaba1e..570a9d634cc5 100644 > --- a/fs/ceph/dir.c > +++ b/fs/ceph/dir.c > @@ -141,7 +141,7 @@ __dcache_find_get_entry(struct dentry *parent, u64 idx, > if (ptr_pos >= i_size_read(dir)) > return NULL; > > - if (!cache_ctl->page || ptr_pgoff != page_index(cache_ctl->page)) { > + if (!cache_ctl->page || ptr_pgoff != cache_ctl->page->index) { > ceph_readdir_cache_release(cache_ctl); > cache_ctl->page = find_lock_page(&dir->i_data, ptr_pgoff); > if (!cache_ctl->page) { > diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c > index 7b2e77517f23..1f92d3faaa6b 100644 > --- a/fs/ceph/inode.c > +++ b/fs/ceph/inode.c > @@ -1861,7 +1861,7 @@ static int fill_readdir_cache(struct inode *dir, struct dentry *dn, > unsigned idx = ctl->index % nsize; > pgoff_t pgoff = ctl->index / nsize; > > - if (!ctl->page || pgoff != page_index(ctl->page)) { > + if (!ctl->page || pgoff != ctl->page->index) { Hi Kairui, Thanks for you patch and will it be doable to switch to folio_index() instead ? Cheers, - Xiubo > ceph_readdir_cache_release(ctl); > if (idx == 0) > ctl->page = grab_cache_page(&dir->i_data, pgoff);