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>
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@ -230,37 +230,6 @@ static void nfs4_file_put_access(struct nfs4_file *fp, int oflag)
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__nfs4_file_put_access(fp, oflag);
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}
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static inline int get_new_stid(struct nfs4_stid *stid)
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{
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static int min_stateid = 0;
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struct idr *stateids = &stid->sc_client->cl_stateids;
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int new_stid;
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int error;
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error = idr_get_new_above(stateids, stid, min_stateid, &new_stid);
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/*
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* Note: the necessary preallocation was done in
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* nfs4_alloc_stateid(). The idr code caps the number of
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* preallocations that can exist at a time, but the state lock
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* prevents anyone from using ours before we get here:
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*/
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WARN_ON_ONCE(error);
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/*
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* It shouldn't be a problem to reuse an opaque stateid value.
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* I don't think it is for 4.1. But with 4.0 I worry that, for
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* example, a stray write retransmission could be accepted by
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* the server when it should have been rejected. Therefore,
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* adopt a trick from the sctp code to attempt to maximize the
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* amount of time until an id is reused, by ensuring they always
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* "increase" (mod INT_MAX):
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*/
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min_stateid = new_stid+1;
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if (min_stateid == INT_MAX)
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min_stateid = 0;
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return new_stid;
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}
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static struct nfs4_stid *nfs4_alloc_stid(struct nfs4_client *cl, struct
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kmem_cache *slab)
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{
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