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- #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 */
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