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9cf514cc CH |
1 | #ifndef _FS_NFSD_PNFS_H |
2 | #define _FS_NFSD_PNFS_H 1 | |
3 | ||
a51f25a5 | 4 | #ifdef CONFIG_NFSD_V4 |
9cf514cc CH |
5 | #include <linux/exportfs.h> |
6 | #include <linux/nfsd/export.h> | |
7 | ||
8 | #include "state.h" | |
9 | #include "xdr4.h" | |
10 | ||
11 | struct xdr_stream; | |
12 | ||
13 | struct nfsd4_deviceid_map { | |
14 | struct list_head hash; | |
15 | u64 idx; | |
16 | int fsid_type; | |
17 | u32 fsid[]; | |
18 | }; | |
19 | ||
20 | struct nfsd4_layout_ops { | |
21 | u32 notify_types; | |
22 | ||
23 | __be32 (*proc_getdeviceinfo)(struct super_block *sb, | |
f99d4fbd | 24 | struct nfs4_client *clp, |
9cf514cc CH |
25 | struct nfsd4_getdeviceinfo *gdevp); |
26 | __be32 (*encode_getdeviceinfo)(struct xdr_stream *xdr, | |
27 | struct nfsd4_getdeviceinfo *gdevp); | |
28 | ||
29 | __be32 (*proc_layoutget)(struct inode *, const struct svc_fh *fhp, | |
30 | struct nfsd4_layoutget *lgp); | |
31 | __be32 (*encode_layoutget)(struct xdr_stream *, | |
32 | struct nfsd4_layoutget *lgp); | |
33 | ||
34 | __be32 (*proc_layoutcommit)(struct inode *inode, | |
35 | struct nfsd4_layoutcommit *lcp); | |
f99d4fbd CH |
36 | |
37 | void (*fence_client)(struct nfs4_layout_stateid *ls); | |
9cf514cc CH |
38 | }; |
39 | ||
40 | extern const struct nfsd4_layout_ops *nfsd4_layout_ops[]; | |
81c39329 | 41 | #ifdef CONFIG_NFSD_BLOCKLAYOUT |
8650b8a0 | 42 | extern const struct nfsd4_layout_ops bl_layout_ops; |
81c39329 | 43 | #endif |
f99d4fbd CH |
44 | #ifdef CONFIG_NFSD_SCSILAYOUT |
45 | extern const struct nfsd4_layout_ops scsi_layout_ops; | |
46 | #endif | |
9cf514cc CH |
47 | |
48 | __be32 nfsd4_preprocess_layout_stateid(struct svc_rqst *rqstp, | |
49 | struct nfsd4_compound_state *cstate, stateid_t *stateid, | |
50 | bool create, u32 layout_type, struct nfs4_layout_stateid **lsp); | |
51 | __be32 nfsd4_insert_layout(struct nfsd4_layoutget *lgp, | |
52 | struct nfs4_layout_stateid *ls); | |
53 | __be32 nfsd4_return_file_layouts(struct svc_rqst *rqstp, | |
54 | struct nfsd4_compound_state *cstate, | |
55 | struct nfsd4_layoutreturn *lrp); | |
56 | __be32 nfsd4_return_client_layouts(struct svc_rqst *rqstp, | |
57 | struct nfsd4_compound_state *cstate, | |
58 | struct nfsd4_layoutreturn *lrp); | |
59 | int nfsd4_set_deviceid(struct nfsd4_deviceid *id, const struct svc_fh *fhp, | |
60 | u32 device_generation); | |
61 | struct nfsd4_deviceid_map *nfsd4_find_devid_map(int idx); | |
a51f25a5 | 62 | #endif /* CONFIG_NFSD_V4 */ |
9cf514cc CH |
63 | |
64 | #ifdef CONFIG_NFSD_PNFS | |
65 | void nfsd4_setup_layout_type(struct svc_export *exp); | |
66 | void nfsd4_return_all_client_layouts(struct nfs4_client *); | |
67 | void nfsd4_return_all_file_layouts(struct nfs4_client *clp, | |
68 | struct nfs4_file *fp); | |
69 | int nfsd4_init_pnfs(void); | |
70 | void nfsd4_exit_pnfs(void); | |
71 | #else | |
a51f25a5 BF |
72 | struct nfs4_client; |
73 | struct nfs4_file; | |
74 | ||
9cf514cc CH |
75 | static inline void nfsd4_setup_layout_type(struct svc_export *exp) |
76 | { | |
77 | } | |
78 | ||
79 | static inline void nfsd4_return_all_client_layouts(struct nfs4_client *clp) | |
80 | { | |
81 | } | |
82 | static inline void nfsd4_return_all_file_layouts(struct nfs4_client *clp, | |
83 | struct nfs4_file *fp) | |
84 | { | |
85 | } | |
86 | static inline void nfsd4_exit_pnfs(void) | |
87 | { | |
88 | } | |
89 | static inline int nfsd4_init_pnfs(void) | |
90 | { | |
91 | return 0; | |
92 | } | |
93 | #endif /* CONFIG_NFSD_PNFS */ | |
94 | #endif /* _FS_NFSD_PNFS_H */ |