nfsd: convert nfs4_alloc_stid() to use idr_alloc_cyclic()
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 2e27430..417c848 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -234,7 +234,6 @@
kmem_cache *slab)
{
struct idr *stateids = &cl->cl_stateids;
- static int min_stateid = 0;
struct nfs4_stid *stid;
int new_id;
@@ -242,7 +241,7 @@
if (!stid)
return NULL;
- new_id = idr_alloc(stateids, stid, min_stateid, 0, GFP_KERNEL);
+ new_id = idr_alloc_cyclic(stateids, stid, 0, 0, GFP_KERNEL);
if (new_id < 0)
goto out_free;
stid->sc_client = cl;
@@ -261,10 +260,6 @@
* amount of time until an id is reused, by ensuring they always
* "increase" (mod INT_MAX):
*/
-
- min_stateid = new_id+1;
- if (min_stateid == INT_MAX)
- min_stateid = 0;
return stid;
out_free:
kfree(stid);