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nfsd: remove unused get_new_stid() 

get_new_stid() is no longer used since commit 3abdb60712 ("nfsd4:
simplify idr allocation").  Remove it.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tejun Heo 2013-03-13 14:59:36 -07:00 committed by Linus Torvalds
parent 522cff142d
commit 801cb2d62d
1 changed files with 0 additions and 31 deletions
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31
fs/nfsd/nfs4state.c
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@ -230,37 +230,6 @@ static void nfs4_file_put_access(struct nfs4_file *fp, int oflag)
__nfs4_file_put_access(fp, oflag); __nfs4_file_put_access(fp, oflag);
} }
static inline int get_new_stid(struct nfs4_stid *stid)
{
static int min_stateid = 0;
struct idr *stateids = &stid->sc_client->cl_stateids;
int new_stid;
int error;
error = idr_get_new_above(stateids, stid, min_stateid, &new_stid);
/*
* Note: the necessary preallocation was done in
* nfs4_alloc_stateid(). The idr code caps the number of
* preallocations that can exist at a time, but the state lock
* prevents anyone from using ours before we get here:
*/
WARN_ON_ONCE(error);
/*
* It shouldn't be a problem to reuse an opaque stateid value.
* I don't think it is for 4.1. But with 4.0 I worry that, for
* example, a stray write retransmission could be accepted by
* the server when it should have been rejected. Therefore,
* adopt a trick from the sctp code to attempt to maximize the
* amount of time until an id is reused, by ensuring they always
* "increase" (mod INT_MAX):
*/
min_stateid = new_stid+1;
if (min_stateid == INT_MAX)
min_stateid = 0;
return new_stid;
}
static struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl, struct static struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl, struct
kmem_cache *slab) kmem_cache *slab)
{ {