linux/fs/nfs/blocklayout/dev.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2014-2016 Christoph Hellwig.
 */
#include <linux/sunrpc/svc.h>
#include <linux/blkdev.h>
#include <linux/nfs4.h>
#include <linux/nfs_fs.h>
#include <linux/nfs_xdr.h>
#include <linux/pr.h>

#include "blocklayout.h"
#include "../nfs4trace.h"

#define NFSDBG_FACILITY …

static void bl_unregister_scsi(struct pnfs_block_dev *dev)
{ … }

static bool bl_register_scsi(struct pnfs_block_dev *dev)
{ … }

static void bl_unregister_dev(struct pnfs_block_dev *dev)
{ … }

bool bl_register_dev(struct pnfs_block_dev *dev)
{ … }

static void
bl_free_device(struct pnfs_block_dev *dev)
{ … }

void
bl_free_deviceid_node(struct nfs4_deviceid_node *d)
{ … }

static int
nfs4_block_decode_volume(struct xdr_stream *xdr, struct pnfs_block_volume *b)
{ … }

static bool bl_map_simple(struct pnfs_block_dev *dev, u64 offset,
		struct pnfs_block_dev_map *map)
{ … }

static bool bl_map_concat(struct pnfs_block_dev *dev, u64 offset,
		struct pnfs_block_dev_map *map)
{ … }

static bool bl_map_stripe(struct pnfs_block_dev *dev, u64 offset,
		struct pnfs_block_dev_map *map)
{ … }

static int
bl_parse_deviceid(struct nfs_server *server, struct pnfs_block_dev *d,
		struct pnfs_block_volume *volumes, int idx, gfp_t gfp_mask);


static int
bl_parse_simple(struct nfs_server *server, struct pnfs_block_dev *d,
		struct pnfs_block_volume *volumes, int idx, gfp_t gfp_mask)
{ … }

static bool
bl_validate_designator(struct pnfs_block_volume *v)
{ … }

static struct file *
bl_open_path(struct pnfs_block_volume *v, const char *prefix)
{ … }

static int
bl_parse_scsi(struct nfs_server *server, struct pnfs_block_dev *d,
		struct pnfs_block_volume *volumes, int idx, gfp_t gfp_mask)
{ … }

static int
bl_parse_slice(struct nfs_server *server, struct pnfs_block_dev *d,
		struct pnfs_block_volume *volumes, int idx, gfp_t gfp_mask)
{ … }

static int
bl_parse_concat(struct nfs_server *server, struct pnfs_block_dev *d,
		struct pnfs_block_volume *volumes, int idx, gfp_t gfp_mask)
{ … }

static int
bl_parse_stripe(struct nfs_server *server, struct pnfs_block_dev *d,
		struct pnfs_block_volume *volumes, int idx, gfp_t gfp_mask)
{ … }

static int
bl_parse_deviceid(struct nfs_server *server, struct pnfs_block_dev *d,
		struct pnfs_block_volume *volumes, int idx, gfp_t gfp_mask)
{ … }

struct nfs4_deviceid_node *
bl_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev,
		gfp_t gfp_mask)
{ … }