#ifndef _FS_NFSD_PNFS_H #define _FS_NFSD_PNFS_H 1 #ifdef CONFIG_NFSD_V4 #include #include #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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