forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100 lines
2.7 KiB
100 lines
2.7 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#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 */
|
|
|