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https://github.com/torvalds/linux
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a51f25a587
Includes of pnfs.h in export.c and fcntl.c also bring in xdr4.h, which
won't build without CONFIG_NFSD_V3, breaking non-V3 builds. Ifdef-out
most of pnfs.h in that case.
Reported-by: Bas Peters <baspeters93@gmail.com>
Reported-by: Jim Davis <jim.epost@gmail.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Fixes: 9cf514ccfa "nfsd: implement pNFS operations"
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
#ifndef _FS_NFSD_PNFS_H
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#define _FS_NFSD_PNFS_H 1
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#ifdef CONFIG_NFSD_V4
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#include <linux/exportfs.h>
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#include <linux/nfsd/export.h>
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#include "state.h"
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#include "xdr4.h"
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struct xdr_stream;
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struct nfsd4_deviceid_map {
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struct list_head hash;
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u64 idx;
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int fsid_type;
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u32 fsid[];
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};
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struct nfsd4_layout_ops {
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u32 notify_types;
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__be32 (*proc_getdeviceinfo)(struct super_block *sb,
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struct nfsd4_getdeviceinfo *gdevp);
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__be32 (*encode_getdeviceinfo)(struct xdr_stream *xdr,
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struct nfsd4_getdeviceinfo *gdevp);
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__be32 (*proc_layoutget)(struct inode *, const struct svc_fh *fhp,
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struct nfsd4_layoutget *lgp);
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__be32 (*encode_layoutget)(struct xdr_stream *,
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struct nfsd4_layoutget *lgp);
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__be32 (*proc_layoutcommit)(struct inode *inode,
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struct nfsd4_layoutcommit *lcp);
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};
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extern const struct nfsd4_layout_ops *nfsd4_layout_ops[];
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extern const struct nfsd4_layout_ops bl_layout_ops;
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__be32 nfsd4_preprocess_layout_stateid(struct svc_rqst *rqstp,
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struct nfsd4_compound_state *cstate, stateid_t *stateid,
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bool create, u32 layout_type, struct nfs4_layout_stateid **lsp);
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__be32 nfsd4_insert_layout(struct nfsd4_layoutget *lgp,
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struct nfs4_layout_stateid *ls);
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__be32 nfsd4_return_file_layouts(struct svc_rqst *rqstp,
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struct nfsd4_compound_state *cstate,
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struct nfsd4_layoutreturn *lrp);
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__be32 nfsd4_return_client_layouts(struct svc_rqst *rqstp,
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struct nfsd4_compound_state *cstate,
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struct nfsd4_layoutreturn *lrp);
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int nfsd4_set_deviceid(struct nfsd4_deviceid *id, const struct svc_fh *fhp,
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u32 device_generation);
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struct nfsd4_deviceid_map *nfsd4_find_devid_map(int idx);
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#endif /* CONFIG_NFSD_V4 */
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#ifdef CONFIG_NFSD_PNFS
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void nfsd4_setup_layout_type(struct svc_export *exp);
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void nfsd4_return_all_client_layouts(struct nfs4_client *);
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void nfsd4_return_all_file_layouts(struct nfs4_client *clp,
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struct nfs4_file *fp);
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int nfsd4_init_pnfs(void);
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void nfsd4_exit_pnfs(void);
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#else
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struct nfs4_client;
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struct nfs4_file;
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static inline void nfsd4_setup_layout_type(struct svc_export *exp)
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{
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}
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static inline void nfsd4_return_all_client_layouts(struct nfs4_client *clp)
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{
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}
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static inline void nfsd4_return_all_file_layouts(struct nfs4_client *clp,
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struct nfs4_file *fp)
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{
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}
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static inline void nfsd4_exit_pnfs(void)
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{
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}
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static inline int nfsd4_init_pnfs(void)
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{
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return 0;
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}
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#endif /* CONFIG_NFSD_PNFS */
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#endif /* _FS_NFSD_PNFS_H */
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