101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _FS_NFSD_PNFS_H
|
|
#define _FS_NFSD_PNFS_H 1
|
|
|
|
#ifdef CONFIG_NFSD_V4
|
|
#include <linux/exportfs.h>
|
|
#include <linux/nfsd/export.h>
|
|
|
|
#include "state.h"
|
|
#include "xdr4.h"
|
|
|
|
struct xdr_stream;
|
|
|
|
struct nfsd4_deviceid_map {
|
|
struct list_head hash;
|
|
u64 idx;
|
|
int fsid_type;
|
|
u32 fsid[];
|
|
};
|
|
|
|
struct nfsd4_layout_ops {
|
|
u32 notify_types;
|
|
bool disable_recalls;
|
|
|
|
__be32 (*proc_getdeviceinfo)(struct super_block *sb,
|
|
struct svc_rqst *rqstp,
|
|
struct nfs4_client *clp,
|
|
struct nfsd4_getdeviceinfo *gdevp);
|
|
__be32 (*encode_getdeviceinfo)(struct xdr_stream *xdr,
|
|
struct nfsd4_getdeviceinfo *gdevp);
|
|
|
|
__be32 (*proc_layoutget)(struct inode *, const struct svc_fh *fhp,
|
|
struct nfsd4_layoutget *lgp);
|
|
__be32 (*encode_layoutget)(struct xdr_stream *,
|
|
struct nfsd4_layoutget *lgp);
|
|
|
|
__be32 (*proc_layoutcommit)(struct inode *inode,
|
|
struct nfsd4_layoutcommit *lcp);
|
|
|
|
void (*fence_client)(struct nfs4_layout_stateid *ls);
|
|
};
|
|
|
|
extern const struct nfsd4_layout_ops *nfsd4_layout_ops[];
|
|
#ifdef CONFIG_NFSD_BLOCKLAYOUT
|
|
extern const struct nfsd4_layout_ops bl_layout_ops;
|
|
#endif
|
|
#ifdef CONFIG_NFSD_SCSILAYOUT
|
|
extern const struct nfsd4_layout_ops scsi_layout_ops;
|
|
#endif
|
|
#ifdef CONFIG_NFSD_FLEXFILELAYOUT
|
|
extern const struct nfsd4_layout_ops ff_layout_ops;
|
|
#endif
|
|
|
|
__be32 nfsd4_preprocess_layout_stateid(struct svc_rqst *rqstp,
|
|
struct nfsd4_compound_state *cstate, stateid_t *stateid,
|
|
bool create, u32 layout_type, struct nfs4_layout_stateid **lsp);
|
|
__be32 nfsd4_insert_layout(struct nfsd4_layoutget *lgp,
|
|
struct nfs4_layout_stateid *ls);
|
|
__be32 nfsd4_return_file_layouts(struct svc_rqst *rqstp,
|
|
struct nfsd4_compound_state *cstate,
|
|
struct nfsd4_layoutreturn *lrp);
|
|
__be32 nfsd4_return_client_layouts(struct svc_rqst *rqstp,
|
|
struct nfsd4_compound_state *cstate,
|
|
struct nfsd4_layoutreturn *lrp);
|
|
int nfsd4_set_deviceid(struct nfsd4_deviceid *id, const struct svc_fh *fhp,
|
|
u32 device_generation);
|
|
struct nfsd4_deviceid_map *nfsd4_find_devid_map(int idx);
|
|
#endif /* CONFIG_NFSD_V4 */
|
|
|
|
#ifdef CONFIG_NFSD_PNFS
|
|
void nfsd4_setup_layout_type(struct svc_export *exp);
|
|
void nfsd4_return_all_client_layouts(struct nfs4_client *);
|
|
void nfsd4_return_all_file_layouts(struct nfs4_client *clp,
|
|
struct nfs4_file *fp);
|
|
int nfsd4_init_pnfs(void);
|
|
void nfsd4_exit_pnfs(void);
|
|
#else
|
|
struct nfs4_client;
|
|
struct nfs4_file;
|
|
|
|
static inline void nfsd4_setup_layout_type(struct svc_export *exp)
|
|
{
|
|
}
|
|
|
|
static inline void nfsd4_return_all_client_layouts(struct nfs4_client *clp)
|
|
{
|
|
}
|
|
static inline void nfsd4_return_all_file_layouts(struct nfs4_client *clp,
|
|
struct nfs4_file *fp)
|
|
{
|
|
}
|
|
static inline void nfsd4_exit_pnfs(void)
|
|
{
|
|
}
|
|
static inline int nfsd4_init_pnfs(void)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif /* CONFIG_NFSD_PNFS */
|
|
#endif /* _FS_NFSD_PNFS_H */
|