diff options
| -rw-r--r-- | fs/nfsd/export.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 5839b229cd0e..3f6d51b8c3ef 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -847,9 +847,8 @@ exp_get_fsid_key(svc_client *clp, int fsid) return exp_find_key(clp, FSID_NUM, fsidv, NULL); } -static svc_export *exp_get_by_name(svc_client *clp, struct vfsmount *mnt, - struct dentry *dentry, - struct cache_req *reqp) +static svc_export *exp_get_by_name(svc_client *clp, const struct path *path, + struct cache_req *reqp) { struct svc_export *exp, key; int err; @@ -858,8 +857,7 @@ static svc_export *exp_get_by_name(svc_client *clp, struct vfsmount *mnt, return ERR_PTR(-ENOENT); key.ex_client = clp; - key.ex_path.mnt = mnt; - key.ex_path.dentry = dentry; + key.ex_path = *path; exp = svc_export_lookup(&key); if (exp == NULL) @@ -877,20 +875,19 @@ static struct svc_export *exp_parent(svc_client *clp, struct vfsmount *mnt, struct dentry *dentry, struct cache_req *reqp) { + struct path path = {.mnt = mnt, .dentry = dentry}; svc_export *exp; - dget(dentry); - exp = exp_get_by_name(clp, mnt, dentry, reqp); - - while (PTR_ERR(exp) == -ENOENT && !IS_ROOT(dentry)) { - struct dentry *parent; + dget(path.dentry); + exp = exp_get_by_name(clp, &path, reqp); - parent = dget_parent(dentry); - dput(dentry); - dentry = parent; - exp = exp_get_by_name(clp, mnt, dentry, reqp); + while (PTR_ERR(exp) == -ENOENT && !IS_ROOT(path.dentry)) { + struct dentry *parent = dget_parent(path.dentry); + dput(path.dentry); + path.dentry = parent; + exp = exp_get_by_name(clp, &path, reqp); } - dput(dentry); + dput(path.dentry); return exp; } @@ -1018,7 +1015,7 @@ exp_export(struct nfsctl_export *nxp) goto out_put_clp; err = -EINVAL; - exp = exp_get_by_name(clp, path.mnt, path.dentry, NULL); + exp = exp_get_by_name(clp, &path, NULL); memset(&new, 0, sizeof(new)); @@ -1135,7 +1132,7 @@ exp_unexport(struct nfsctl_export *nxp) goto out_domain; err = -EINVAL; - exp = exp_get_by_name(dom, path.mnt, path.dentry, NULL); + exp = exp_get_by_name(dom, &path, NULL); path_put(&path); if (IS_ERR(exp)) goto out_domain; @@ -1207,7 +1204,7 @@ static struct svc_export *exp_find(struct auth_domain *clp, int fsid_type, if (IS_ERR(ek)) return ERR_CAST(ek); - exp = exp_get_by_name(clp, ek->ek_path.mnt, ek->ek_path.dentry, reqp); + exp = exp_get_by_name(clp, &ek->ek_path, reqp); cache_put(&ek->h, &svc_expkey_cache); if (IS_ERR(exp)) @@ -1251,12 +1248,13 @@ rqst_exp_get_by_name(struct svc_rqst *rqstp, struct vfsmount *mnt, struct dentry *dentry) { struct svc_export *gssexp, *exp = ERR_PTR(-ENOENT); + struct path path = {.mnt = mnt, .dentry = dentry}; if (rqstp->rq_client == NULL) goto gss; /* First try the auth_unix client: */ - exp = exp_get_by_name(rqstp->rq_client, mnt, dentry, + exp = exp_get_by_name(rqstp->rq_client, &path, &rqstp->rq_chandle); if (PTR_ERR(exp) == -ENOENT) goto gss; @@ -1269,7 +1267,7 @@ gss: /* Otherwise, try falling back on gss client */ if (rqstp->rq_gssclient == NULL) return exp; - gssexp = exp_get_by_name(rqstp->rq_gssclient, mnt, dentry, + gssexp = exp_get_by_name(rqstp->rq_gssclient, &path, &rqstp->rq_chandle); if (PTR_ERR(gssexp) == -ENOENT) return exp; |