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0cfcd405e7
NFS_FS=y as dependency of CONFIG_NFSD_V4_2_INTER_SSC still have
build errors and some configs with NFSD=m to get NFS4ERR_STALE
error when doing inter server copy.
Added ops table in nfs_common for knfsd to access NFS client modules.
Fixes: 3ac3711adb ("NFSD: Fix NFS server build errors")
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* include/linux/nfs_ssc.h
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*
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* Author: Dai Ngo <dai.ngo@oracle.com>
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*
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* Copyright (c) 2020, Oracle and/or its affiliates.
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*/
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#include <linux/nfs_fs.h>
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extern struct nfs_ssc_client_ops_tbl nfs_ssc_client_tbl;
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/*
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* NFS_V4
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*/
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struct nfs4_ssc_client_ops {
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struct file *(*sco_open)(struct vfsmount *ss_mnt,
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struct nfs_fh *src_fh, nfs4_stateid *stateid);
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void (*sco_close)(struct file *filep);
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};
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/*
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* NFS_FS
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*/
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struct nfs_ssc_client_ops {
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void (*sco_sb_deactive)(struct super_block *sb);
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};
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struct nfs_ssc_client_ops_tbl {
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const struct nfs4_ssc_client_ops *ssc_nfs4_ops;
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const struct nfs_ssc_client_ops *ssc_nfs_ops;
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};
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extern void nfs42_ssc_register_ops(void);
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extern void nfs42_ssc_unregister_ops(void);
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extern void nfs42_ssc_register(const struct nfs4_ssc_client_ops *ops);
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extern void nfs42_ssc_unregister(const struct nfs4_ssc_client_ops *ops);
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#ifdef CONFIG_NFSD_V4_2_INTER_SSC
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static inline struct file *nfs42_ssc_open(struct vfsmount *ss_mnt,
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struct nfs_fh *src_fh, nfs4_stateid *stateid)
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{
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if (nfs_ssc_client_tbl.ssc_nfs4_ops)
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return (*nfs_ssc_client_tbl.ssc_nfs4_ops->sco_open)(ss_mnt, src_fh, stateid);
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return ERR_PTR(-EIO);
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}
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static inline void nfs42_ssc_close(struct file *filep)
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{
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if (nfs_ssc_client_tbl.ssc_nfs4_ops)
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(*nfs_ssc_client_tbl.ssc_nfs4_ops->sco_close)(filep);
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}
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#endif
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/*
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* NFS_FS
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*/
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extern void nfs_ssc_register(const struct nfs_ssc_client_ops *ops);
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extern void nfs_ssc_unregister(const struct nfs_ssc_client_ops *ops);
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static inline void nfs_do_sb_deactive(struct super_block *sb)
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{
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if (nfs_ssc_client_tbl.ssc_nfs_ops)
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(*nfs_ssc_client_tbl.ssc_nfs_ops->sco_sb_deactive)(sb);
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}
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