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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-12-23 20:21:39 (GMT) |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2008-12-23 20:21:39 (GMT) |
| commit | 15c831bf1a3f8cab9812a96228145200726fea33 (patch) | |
| tree | 6133811e099f223d17aaa46c9672bfb367435b26 /fs/nfs/nfs4proc.c | |
| parent | 86e894899820f2b3094d5557124fc22743ae0fc7 (diff) | |
| download | linux-15c831bf1a3f8cab9812a96228145200726fea33.tar.xz | |
NFS: Use atomic bitops when changing struct nfs_delegation->flags
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 254cbff..d53aa2d 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -344,7 +344,7 @@ static int can_open_delegated(struct nfs_delegation *delegation, mode_t open_fla { if ((delegation->type & open_flags) != open_flags) return 0; - if (delegation->flags & NFS_DELEGATION_NEED_RECLAIM) + if (test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags)) return 0; return 1; } @@ -536,7 +536,7 @@ static struct nfs4_state *nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data if (delegation) delegation_flags = delegation->flags; rcu_read_unlock(); - if (!(delegation_flags & NFS_DELEGATION_NEED_RECLAIM)) + if ((delegation_flags & 1UL<<NFS_DELEGATION_NEED_RECLAIM) == 0) nfs_inode_set_delegation(state->inode, data->owner->so_cred, &data->o_res); @@ -667,7 +667,7 @@ static int _nfs4_do_open_reclaim(struct nfs_open_context *ctx, struct nfs4_state opendata->o_arg.fh = NFS_FH(state->inode); rcu_read_lock(); delegation = rcu_dereference(NFS_I(state->inode)->delegation); - if (delegation != NULL && (delegation->flags & NFS_DELEGATION_NEED_RECLAIM) != 0) + if (delegation != NULL && test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) != 0) delegation_type = delegation->type; rcu_read_unlock(); opendata->o_arg.u.delegation_type = delegation_type; @@ -839,7 +839,7 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata) rcu_read_lock(); delegation = rcu_dereference(NFS_I(data->state->inode)->delegation); if (delegation != NULL && - (delegation->flags & NFS_DELEGATION_NEED_RECLAIM) == 0) { + test_bit(NFS_DELEGATION_NEED_RECLAIM, &delegation->flags) == 0) { rcu_read_unlock(); goto out_no_action; } |