Re: [PATCH v2 4/8] ceph: drop usage of page_index

Xiubo Li
2024-04-24T00:03:31Z

On 4/24/24 01:03, Kairui Song wrote:
> From: Kairui Song <kasong@tencent.com>
>
> 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 <kasong@tencent.com>
> Cc: Xiubo Li <xiubli@redhat.com>
> Cc: Ilya Dryomov <idryomov@gmail.com>
> Cc: Jeff Layton <jlayton@kernel.org>
> 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) {
> ceph_readdir_cache_release(ctl);
> if (idx == 0)
> ctl->page = grab_cache_page(&dir->i_data, pgoff);

LGTM.

Reviewed-by: Xiubo Li <xiubli@redhat.com>