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NFSv4: Replace lock_owner->ld_id with an ida based allocator

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Again, We're unlikely to ever need more than 2^31 simultaneous lock
owners, so let's replace the custom allocator.

Now that there are no more users, we can also get rid of the custom
allocator code.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2012-01-17 22:04:25 -05:00
parent 9157c31dd6
commit d2d7ce28a2
5 changed files with 15 additions and 76 deletions
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7
fs/nfs/nfs4_fs.h
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@@ -81,11 +81,6 @@ static inline void nfs_confirm_seqid(struct nfs_seqid_counter *seqid, int status
seqid->flags |= NFS_SEQID_CONFIRMED;
}
struct nfs_unique_id {
struct rb_node rb_node;
__u64 id;
};
/*
* NFS4 state_owners and lock_owners are simply labels for ordered
* sequences of RPC calls. Their sole purpose is to provide once-only
@@ -145,9 +140,9 @@ struct nfs4_lock_state {
struct nfs4_state * ls_state; /* Pointer to open state */
#define NFS_LOCK_INITIALIZED 1
int ls_flags;
int ls_id;
struct nfs_seqid_counter ls_seqid;
struct rpc_sequence ls_sequence;
struct nfs_unique_id ls_id;
nfs4_stateid ls_stateid;
atomic_t ls_count;
struct nfs4_lock_owner ls_owner;