Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-11 06:31:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

nfsd: don't allow setting maxblksize after svc created

Browse Source 
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>
This commit is contained in:
J. Bruce Fields 2010-08-06 18:00:33 -04:00
parent e844a7b980
commit 7fa53cc872
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/nfsd/nfsctl.c
View File

@ -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;
}