projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 9cf514cc CH |
1 | #ifndef _FS_NFSD_PNFS_H |
| 2 | #define _FS_NFSD_PNFS_H 1 | |
| 3 | ||
| 4 | #include <linux/exportfs.h> | |
| 5 | #include <linux/nfsd/export.h> | |
| 6 | ||
| 7 | #include "state.h" | |
| 8 | #include "xdr4.h" | |
| 9 | ||
| 10 | struct xdr_stream; | |
| 11 | ||
| 12 | struct nfsd4_deviceid_map { | |
| 13 | struct list_head hash; | |
| 14 | u64 idx; | |
| 15 | int fsid_type; | |
| 16 | u32 fsid[]; | |
| 17 | }; | |
| 18 | ||
| 19 | struct nfsd4_layout_ops { | |
| 20 | u32 notify_types; | |
| 21 | ||
| 22 | __be32 (*proc_getdeviceinfo)(struct super_block *sb, | |
| 23 | struct nfsd4_getdeviceinfo *gdevp); | |
| 24 | __be32 (*encode_getdeviceinfo)(struct xdr_stream *xdr, | |
| 25 | struct nfsd4_getdeviceinfo *gdevp); | |
| 26 | ||
| 27 | __be32 (*proc_layoutget)(struct inode *, const struct svc_fh *fhp, | |
| 28 | struct nfsd4_layoutget *lgp); | |
| 29 | __be32 (*encode_layoutget)(struct xdr_stream *, | |
| 30 | struct nfsd4_layoutget *lgp); | |
| 31 | ||
| 32 | __be32 (*proc_layoutcommit)(struct inode *inode, | |
| 33 | struct nfsd4_layoutcommit *lcp); | |
| 34 | }; | |
| 35 | ||
| 36 | extern const struct nfsd4_layout_ops *nfsd4_layout_ops[]; | |
| 37 | ||
| 38 | __be32 nfsd4_preprocess_layout_stateid(struct svc_rqst *rqstp, | |
| 39 | struct nfsd4_compound_state *cstate, stateid_t *stateid, | |
| 40 | bool create, u32 layout_type, struct nfs4_layout_stateid **lsp); | |
| 41 | __be32 nfsd4_insert_layout(struct nfsd4_layoutget *lgp, | |
| 42 | struct nfs4_layout_stateid *ls); | |
| 43 | __be32 nfsd4_return_file_layouts(struct svc_rqst *rqstp, | |
| 44 | struct nfsd4_compound_state *cstate, | |
| 45 | struct nfsd4_layoutreturn *lrp); | |
| 46 | __be32 nfsd4_return_client_layouts(struct svc_rqst *rqstp, | |
| 47 | struct nfsd4_compound_state *cstate, | |
| 48 | struct nfsd4_layoutreturn *lrp); | |
| 49 | int nfsd4_set_deviceid(struct nfsd4_deviceid *id, const struct svc_fh *fhp, | |
| 50 | u32 device_generation); | |
| 51 | struct nfsd4_deviceid_map *nfsd4_find_devid_map(int idx); | |
| 52 | ||
| 53 | #ifdef CONFIG_NFSD_PNFS | |
| 54 | void nfsd4_setup_layout_type(struct svc_export *exp); | |
| 55 | void nfsd4_return_all_client_layouts(struct nfs4_client *); | |
| 56 | void nfsd4_return_all_file_layouts(struct nfs4_client *clp, | |
| 57 | struct nfs4_file *fp); | |
| 58 | int nfsd4_init_pnfs(void); | |
| 59 | void nfsd4_exit_pnfs(void); | |
| 60 | #else | |
| 61 | static inline void nfsd4_setup_layout_type(struct svc_export *exp) | |
| 62 | { | |
| 63 | } | |
| 64 | ||
| 65 | static inline void nfsd4_return_all_client_layouts(struct nfs4_client *clp) | |
| 66 | { | |
| 67 | } | |
| 68 | static inline void nfsd4_return_all_file_layouts(struct nfs4_client *clp, | |
| 69 | struct nfs4_file *fp) | |
| 70 | { | |
| 71 | } | |
| 72 | static inline void nfsd4_exit_pnfs(void) | |
| 73 | { | |
| 74 | } | |
| 75 | static inline int nfsd4_init_pnfs(void) | |
| 76 | { | |
| 77 | return 0; | |
| 78 | } | |
| 79 | #endif /* CONFIG_NFSD_PNFS */ | |
| 80 | #endif /* _FS_NFSD_PNFS_H */ |