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nfsd: convert nfs4_alloc_stid() to use idr_alloc_cyclic()

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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>
This commit is contained in:
Jeff Layton 2013-04-29 16:21:20 -07:00 committed by Linus Torvalds
parent f2d9db877f
commit 398c33aaa4
1 changed files with 1 additions and 6 deletions
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7
fs/nfsd/nfs4state.c
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@ -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);