diff options
| author | Steve Dickson <SteveD@redhat.com> | 2009-09-09 15:02:40 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@citi.umich.edu> | 2009-09-21 16:02:25 -0400 |
| commit | 3c394ddaa7ea4205f933fd9b481166b2669368a9 (patch) | |
| tree | 6c1cfe2fefe0959c4eeb5b43e1c9f151ee1e2df3 | |
| parent | 285a0f00c27a02f1223a198c88de2130e9bab059 (diff) | |
| download | lwn-3c394ddaa7ea4205f933fd9b481166b2669368a9.tar.gz lwn-3c394ddaa7ea4205f933fd9b481166b2669368a9.zip | |
nfsd4: nfsv4 clients should cross mountpoints
Allow NFS v4 clients to seamlessly cross mount point without
have to set either the 'crossmnt' or the 'nohide' export
options.
Signed-Off-By: Steve Dickson <steved@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
| -rw-r--r-- | fs/nfsd/vfs.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 23341c1063bc..e069ab365df4 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -89,6 +89,12 @@ struct raparm_hbucket { #define RAPARM_HASH_MASK (RAPARM_HASH_SIZE-1) static struct raparm_hbucket raparm_hash[RAPARM_HASH_SIZE]; +static inline int +nfsd_v4client(struct svc_rqst *rq) +{ + return rq->rq_prog == NFS_PROGRAM && rq->rq_vers == 4; +} + /* * Called from nfsd_lookup and encode_dirent. Check if we have crossed * a mount point. @@ -115,7 +121,8 @@ nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp, path_put(&path); goto out; } - if ((exp->ex_flags & NFSEXP_CROSSMOUNT) || EX_NOHIDE(exp2)) { + if (nfsd_v4client(rqstp) || + (exp->ex_flags & NFSEXP_CROSSMOUNT) || EX_NOHIDE(exp2)) { /* successfully crossed mount point */ /* * This is subtle: path.dentry is *not* on path.mnt |