nfsd: add link to owner cache detail to svc_export structure

Without info about owner cache datail it won't be able to find out, which
per-net cache detail have to be.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 71c5ce3..99ea4c0 100644 (file)
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -525,6 +525,7 @@ static int svc_export_parse(struct cache_detail *cd, char *mesg, int mlen)
                goto out1;
 
        exp.ex_client = dom;
+       exp.cd = cd;
 
        /* expiry */
        err = -EINVAL;
@@ -672,6 +673,7 @@ static void svc_export_init(struct cache_head *cnew, struct cache_head *citem)
        new->ex_fslocs.locations = NULL;
        new->ex_fslocs.locations_count = 0;
        new->ex_fslocs.migrated = 0;
+       new->cd = item->cd;
 }
 
 static void export_update(struct cache_head *cnew, struct cache_head *citem)
@@ -739,8 +741,7 @@ svc_export_lookup(struct svc_export *exp)
        struct cache_head *ch;
        int hash = svc_export_hash(exp);
 
-       ch = sunrpc_cache_lookup(&svc_export_cache, &exp->h,
-                                hash);
+       ch = sunrpc_cache_lookup(exp->cd, &exp->h, hash);
        if (ch)
                return container_of(ch, struct svc_export, h);
        else
@@ -753,9 +754,7 @@ svc_export_update(struct svc_export *new, struct svc_export *old)
        struct cache_head *ch;
        int hash = svc_export_hash(old);
 
-       ch = sunrpc_cache_update(&svc_export_cache, &new->h,
-                                &old->h,
-                                hash);
+       ch = sunrpc_cache_update(old->cd, &new->h, &old->h, hash);
        if (ch)
                return container_of(ch, struct svc_export, h);
        else
@@ -797,6 +796,7 @@ static svc_export *exp_get_by_name(svc_client *clp, const struct path *path,
 
        key.ex_client = clp;
        key.ex_path = *path;
+       key.cd = &svc_export_cache;
 
        exp = svc_export_lookup(&key);
        if (exp == NULL)

diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h
index f85308e..6445529 100644 (file)
--- a/include/linux/nfsd/export.h
+++ b/include/linux/nfsd/export.h
@@ -103,6 +103,7 @@ struct svc_export {
        struct nfsd4_fs_locations ex_fslocs;
        int                     ex_nflavors;
        struct exp_flavor_info  ex_flavors[MAX_SECINFO_LIST];
+       struct cache_detail     *cd;
 };
 
 /* an "export key" (expkey) maps a filehandlefragement to an