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nfsd: make client/ directory names small ints

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We want clientid's on the wire to be randomized for reasons explained in
ebd7c72c63 "nfsd: randomize SETCLIENTID reply to help distinguish
servers".  But I'd rather have mostly small integers for the clients/
directory.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
J. Bruce Fields
2019-03-14 16:20:19 -04:00
parent e8a79fb14f
commit bf5ed3e3bb
3 changed files with 5 additions and 3 deletions
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5
fs/nfsd/nfsctl.c
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@@ -1213,7 +1213,7 @@ struct dentry *nfsd_client_mkdir(struct nfsd_net *nn, struct nfsdfs_client *ncl,
{
char name[11];
sprintf(name, "%d", id++);
sprintf(name, "%u", id);
return nfsd_mkdir(nn->nfsd_client_dir, ncl, name);
}
@@ -1352,7 +1352,8 @@ static __net_init int nfsd_init_net(struct net *net)
nn->somebody_reclaimed = false;
nn->track_reclaim_completes = false;
nn->clverifier_counter = prandom_u32();
nn->clientid_counter = prandom_u32();
nn->clientid_base = prandom_u32();
nn->clientid_counter = nn->clientid_base + 1;
nn->s2s_cp_cl_id = nn->clientid_counter++;
atomic_set(&nn->ntf_refcnt, 0);