diff options
| author | NeilBrown <neilb@cse.unsw.edu.au> | 2005-11-07 01:00:25 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-07 07:53:48 -0800 |
| commit | 70c3b76c28b012452d63bb27f6d0517afb05d86f (patch) | |
| tree | 836c24891039fde8a59ee5db37def144bce16b90 /include/linux/nfsd/syscall.h | |
| parent | 7390022d697bcc62a7556d6fdc61ec56ce3a381a (diff) | |
[PATCH] knfsd: Allow run-time selection of NFS versions to export
Provide a file in the NFSD filesystem that allows setting and querying of
which version of NFS are being exported. Changes are only allowed while no
server is running.
Signed-off-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux/nfsd/syscall.h')
| -rw-r--r-- | include/linux/nfsd/syscall.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/nfsd/syscall.h b/include/linux/nfsd/syscall.h index e65c9db6d13f..781efbf94ed3 100644 --- a/include/linux/nfsd/syscall.h +++ b/include/linux/nfsd/syscall.h @@ -39,6 +39,21 @@ #define NFSCTL_GETFD 7 /* get an fh by path (used by mountd) */ #define NFSCTL_GETFS 8 /* get an fh by path with max FH len */ +/* + * Macros used to set version + */ +#define NFSCTL_VERSET(_cltbits, _v) ((_cltbits) |= (1 << (_v))) +#define NFSCTL_VERUNSET(_cltbits, _v) ((_cltbits) &= ~(1 << (_v))) +#define NFSCTL_VERISSET(_cltbits, _v) ((_cltbits) & (1 << (_v))) + +#if defined(CONFIG_NFSD_V4) +#define NFSCTL_VERALL (0x1c /* 0b011100 */) +#elif defined(CONFIG_NFSD_V3) +#define NFSCTL_VERALL (0x0c /* 0b001100 */) +#else +#define NFSCTL_VERALL (0x04 /* 0b000100 */) +#endif + /* SVC */ struct nfsctl_svc { unsigned short svc_port; @@ -120,6 +135,8 @@ extern int exp_delclient(struct nfsctl_client *ncp); extern int exp_export(struct nfsctl_export *nxp); extern int exp_unexport(struct nfsctl_export *nxp); +extern unsigned int nfsd_versbits; + #endif /* __KERNEL__ */ #endif /* NFSD_SYSCALL_H */ |