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| author | J. Bruce Fields <bfields@redhat.com> | 2010-08-07 02:00:33 +0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2010-08-07 02:00:33 +0400 |
| commit | 7fa53cc872332b265bc5ba1266f39586f218ad4a (patch) | |
| tree | 0583a66f8665581a7a9b613f30000e9093c9ff84 /fs/nfsd/nfsctl.c | |
| parent | e844a7b9805a2b74cfd34c8604f5bba3e0869305 (diff) | |
| download | linux-7fa53cc872332b265bc5ba1266f39586f218ad4a.tar.xz | |
nfsd: don't allow setting maxblksize after svc created
It's harmless to set this after the server is created, but also
ineffective, since the value is only used at the time of
svc_create_pooled(). So fail the attempt, in keeping with the pattern
set by write_versions, write_{lease,grace}time and write_recoverydir.
(This could break userspace that tried to write to nfsd/max_block_size
between setting up sockets and starting the server. However, such code
wouldn't have worked anyway, and I don't know of any examples--rpc.nfsd
in nfs-utils, probably the only user of the interface, doesn't do that.)
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfsctl.c')
| -rw-r--r-- | fs/nfsd/nfsctl.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 12f0ee7d1aba..b53b1d042f1f 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -1190,7 +1190,7 @@ static ssize_t write_maxblksize(struct file *file, char *buf, size_t size) bsize = NFSSVC_MAXBLKSIZE; bsize &= ~(1024-1); mutex_lock(&nfsd_mutex); - if (nfsd_serv && nfsd_serv->sv_nrthreads) { + if (nfsd_serv) { mutex_unlock(&nfsd_mutex); return -EBUSY; } |