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authorJeff Layton <jlayton@redhat.com>2013-04-29 16:21:20 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-04-29 18:28:41 -0700
commit398c33aaa4edb05339fed3720847ea6a06987ff1 (patch)
tree65aff9cfacaca7731535ab9e1d4d2037cbd36ba5 /fs
parentf2d9db877fdfe37b54428880429cf01f68718aad (diff)
downloadlinux-398c33aaa4edb05339fed3720847ea6a06987ff1.tar.gz
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/nfs4state.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 2e27430b907..417c8487774 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -234,7 +234,6 @@ static struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl, struct
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 @@ kmem_cache *slab)
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 @@ kmem_cache *slab)
* 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);