On Thu, Jan 28, 2021 at 9:59 AM Dave Wysochanski <dwysocha@xxxxxxxxxx> wrote:
>
> The conversion of the NFS read paths to the new fscache API
> will require use of a few read structs and functions,
> so move these declarations as required.
>
> Signed-off-by: Dave Wysochanski <dwysocha@xxxxxxxxxx>
> ---
> fs/nfs/internal.h | 8 ++++++++
> fs/nfs/read.c | 13 ++++---------
> 2 files changed, 12 insertions(+), 9 deletions(-)
>
> diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
> index 62d3189745cd..8514d002c922 100644
> --- a/fs/nfs/internal.h
> +++ b/fs/nfs/internal.h
> @@ -457,9 +457,17 @@ extern char *nfs_path(char **p, struct dentry *dentry,
>
> struct nfs_pgio_completion_ops;
> /* read.c */
> +extern const struct nfs_pgio_completion_ops nfs_async_read_completion_ops;
> extern void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
> struct inode *inode, bool force_mds,
> const struct nfs_pgio_completion_ops *compl_ops);
> +struct nfs_readdesc {
> + struct nfs_pageio_descriptor pgio;
> + struct nfs_open_context *ctx;
> +};
> +extern int readpage_async_filler(void *data, struct page *page);
> +extern void nfs_pageio_complete_read(struct nfs_pageio_descriptor *pgio,
> + struct inode *inode);
> extern void nfs_read_prepare(struct rpc_task *task, void *calldata);
> extern void nfs_pageio_reset_read_mds(struct nfs_pageio_descriptor *pgio);
>
> diff --git a/fs/nfs/read.c b/fs/nfs/read.c
> index d2b6dce1f99f..9618abf01136 100644
> --- a/fs/nfs/read.c
> +++ b/fs/nfs/read.c
> @@ -30,7 +30,7 @@
>
> #define NFSDBG_FACILITY NFSDBG_PAGECACHE
>
> -static const struct nfs_pgio_completion_ops nfs_async_read_completion_ops;
> +const struct nfs_pgio_completion_ops nfs_async_read_completion_ops;
> static const struct nfs_rw_ops nfs_rw_read_ops;
>
> static struct kmem_cache *nfs_rdata_cachep;
> @@ -74,7 +74,7 @@ void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
> }
> EXPORT_SYMBOL_GPL(nfs_pageio_init_read);
>
> -static void nfs_pageio_complete_read(struct nfs_pageio_descriptor *pgio,
> +void nfs_pageio_complete_read(struct nfs_pageio_descriptor *pgio,
> struct inode *inode)
> {
> struct nfs_pgio_mirror *pgm;
> @@ -132,11 +132,6 @@ static void nfs_readpage_release(struct nfs_page *req, int error)
> nfs_release_request(req);
> }
>
> -struct nfs_readdesc {
> - struct nfs_pageio_descriptor pgio;
> - struct nfs_open_context *ctx;
> -};
> -
> static void nfs_page_group_set_uptodate(struct nfs_page *req)
> {
> if (nfs_page_group_sync_on_bit(req, PG_UPTODATE))
> @@ -215,7 +210,7 @@ static void nfs_initiate_read(struct nfs_pgio_header *hdr,
> }
> }
>
> -static const struct nfs_pgio_completion_ops nfs_async_read_completion_ops = {
> +const struct nfs_pgio_completion_ops nfs_async_read_completion_ops = {
> .error_cleanup = nfs_async_read_error,
> .completion = nfs_read_completion,
> };
> @@ -290,7 +285,7 @@ static void nfs_readpage_result(struct rpc_task *task,
> nfs_readpage_retry(task, hdr);
> }
>
> -static int
> +int
> readpage_async_filler(void *data, struct page *page)
> {
> struct nfs_readdesc *desc = data;
> --
> 1.8.3.1
>
Anna, FYI, you could drop this from your linux-next branch if you want.
Since the fscache conversion patches are not included, we don't really
need this patch.
The other patches 1-5 I are valid cleanups but this really goes with
the conversion patches.
It's your call though.
