forked from Minki/linux
856121b2e8
If we create the object and then return failure to the client, we're left with an unexpected file in the filesystem. I'm trying to eliminate such cases but not 100% sure I have so an assertion might be helpful for now. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
110 lines
4.1 KiB
C
110 lines
4.1 KiB
C
/*
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* Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
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*/
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#ifndef LINUX_NFSD_VFS_H
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#define LINUX_NFSD_VFS_H
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#include "nfsfh.h"
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/*
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* Flags for nfsd_permission
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*/
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#define NFSD_MAY_NOP 0
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#define NFSD_MAY_EXEC 0x001 /* == MAY_EXEC */
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#define NFSD_MAY_WRITE 0x002 /* == MAY_WRITE */
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#define NFSD_MAY_READ 0x004 /* == MAY_READ */
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#define NFSD_MAY_SATTR 0x008
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#define NFSD_MAY_TRUNC 0x010
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#define NFSD_MAY_LOCK 0x020
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#define NFSD_MAY_MASK 0x03f
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/* extra hints to permission and open routines: */
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#define NFSD_MAY_OWNER_OVERRIDE 0x040
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#define NFSD_MAY_LOCAL_ACCESS 0x080 /* for device special files */
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#define NFSD_MAY_BYPASS_GSS_ON_ROOT 0x100
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#define NFSD_MAY_NOT_BREAK_LEASE 0x200
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#define NFSD_MAY_BYPASS_GSS 0x400
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#define NFSD_MAY_READ_IF_EXEC 0x800
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#define NFSD_MAY_CREATE (NFSD_MAY_EXEC|NFSD_MAY_WRITE)
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#define NFSD_MAY_REMOVE (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC)
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/*
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* Callback function for readdir
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*/
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typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int);
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/* nfsd/vfs.c */
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int fh_lock_parent(struct svc_fh *, struct dentry *);
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int nfsd_racache_init(int);
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void nfsd_racache_shutdown(void);
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int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp,
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struct svc_export **expp);
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__be32 nfsd_lookup(struct svc_rqst *, struct svc_fh *,
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const char *, unsigned int, struct svc_fh *);
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__be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *,
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const char *, unsigned int,
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struct svc_export **, struct dentry **);
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__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *,
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struct iattr *, int, time_t);
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int nfsd_mountpoint(struct dentry *, struct svc_export *);
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#ifdef CONFIG_NFSD_V4
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__be32 nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *,
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struct nfs4_acl *);
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int nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **);
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#endif /* CONFIG_NFSD_V4 */
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__be32 nfsd_create(struct svc_rqst *, struct svc_fh *,
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char *name, int len, struct iattr *attrs,
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int type, dev_t rdev, struct svc_fh *res);
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#ifdef CONFIG_NFSD_V3
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__be32 nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *);
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__be32 do_nfsd_create(struct svc_rqst *, struct svc_fh *,
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char *name, int len, struct iattr *attrs,
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struct svc_fh *res, int createmode,
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u32 *verifier, bool *truncp, bool *created);
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__be32 nfsd_commit(struct svc_rqst *, struct svc_fh *,
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loff_t, unsigned long);
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#endif /* CONFIG_NFSD_V3 */
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__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, int,
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int, struct file **);
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void nfsd_close(struct file *);
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__be32 nfsd_read(struct svc_rqst *, struct svc_fh *,
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loff_t, struct kvec *, int, unsigned long *);
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__be32 nfsd_read_file(struct svc_rqst *, struct svc_fh *, struct file *,
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loff_t, struct kvec *, int, unsigned long *);
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__be32 nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *,
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loff_t, struct kvec *,int, unsigned long *, int *);
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__be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *,
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char *, int *);
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__be32 nfsd_symlink(struct svc_rqst *, struct svc_fh *,
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char *name, int len, char *path, int plen,
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struct svc_fh *res, struct iattr *);
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__be32 nfsd_link(struct svc_rqst *, struct svc_fh *,
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char *, int, struct svc_fh *);
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__be32 nfsd_rename(struct svc_rqst *,
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struct svc_fh *, char *, int,
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struct svc_fh *, char *, int);
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__be32 nfsd_remove(struct svc_rqst *,
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struct svc_fh *, char *, int);
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__be32 nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type,
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char *name, int len);
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int nfsd_truncate(struct svc_rqst *, struct svc_fh *,
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unsigned long size);
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__be32 nfsd_readdir(struct svc_rqst *, struct svc_fh *,
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loff_t *, struct readdir_cd *, filldir_t);
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__be32 nfsd_statfs(struct svc_rqst *, struct svc_fh *,
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struct kstatfs *, int access);
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int nfsd_notify_change(struct inode *, struct iattr *);
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__be32 nfsd_permission(struct svc_rqst *, struct svc_export *,
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struct dentry *, int);
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int nfsd_sync_dir(struct dentry *dp);
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#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL)
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struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int);
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int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *);
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#endif
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#endif /* LINUX_NFSD_VFS_H */
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