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1e444f5bc0
Commit db2e747b14 (vfs: remove mode parameter from vfs_symlink())
have remove mode parameter from vfs_symlink.
So that, iattr isn't needed by nfsd_symlink now, just remove it.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
130 lines
4.3 KiB
C
130 lines
4.3 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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#include "nfsd.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_64BIT_COOKIE 0x1000 /* 64 bit readdir cookies for >= NFSv3 */
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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 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_label(struct svc_rqst *, struct svc_fh *,
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struct xdr_netobj *);
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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 *, umode_t,
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int, struct file **);
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void nfsd_close(struct file *);
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struct raparms;
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__be32 nfsd_get_tmp_read_open(struct svc_rqst *, struct svc_fh *,
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struct file **, struct raparms **);
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void nfsd_put_tmp_read_open(struct file *, struct raparms *);
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__be32 nfsd_splice_read(struct svc_rqst *,
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struct file *, loff_t, unsigned long *);
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__be32 nfsd_readv(struct file *, loff_t, struct kvec *, int,
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unsigned long *);
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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_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,
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struct svc_fh *res);
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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_unlink(struct svc_rqst *, struct svc_fh *, int type,
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char *name, int len);
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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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__be32 nfsd_permission(struct svc_rqst *, struct svc_export *,
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struct dentry *, int);
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static inline int fh_want_write(struct svc_fh *fh)
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{
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int ret = mnt_want_write(fh->fh_export->ex_path.mnt);
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if (!ret)
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fh->fh_want_write = 1;
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return ret;
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}
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static inline void fh_drop_write(struct svc_fh *fh)
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{
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if (fh->fh_want_write) {
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fh->fh_want_write = 0;
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mnt_drop_write(fh->fh_export->ex_path.mnt);
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}
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}
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static inline __be32 fh_getattr(struct svc_fh *fh, struct kstat *stat)
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{
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struct path p = {.mnt = fh->fh_export->ex_path.mnt,
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.dentry = fh->fh_dentry};
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return nfserrno(vfs_getattr(&p, stat));
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}
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#endif /* LINUX_NFSD_VFS_H */
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