diff options
| -rw-r--r-- | fs/nfsd/nfs4state.c | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 1b3e2bd82568..97dd2c75f322 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -2951,6 +2951,24 @@ out_no_deleg: goto out; } +static void nfsd4_deleg_xgrade_none_ext(struct nfsd4_open *open, + struct nfs4_delegation *dp) +{ + if (open->op_deleg_want == NFS4_SHARE_WANT_READ_DELEG && + dp->dl_type == NFS4_OPEN_DELEGATE_WRITE) { + open->op_delegate_type = NFS4_OPEN_DELEGATE_NONE_EXT; + open->op_why_no_deleg = WND4_NOT_SUPP_DOWNGRADE; + } else if (open->op_deleg_want == NFS4_SHARE_WANT_WRITE_DELEG && + dp->dl_type == NFS4_OPEN_DELEGATE_WRITE) { + open->op_delegate_type = NFS4_OPEN_DELEGATE_NONE_EXT; + open->op_why_no_deleg = WND4_NOT_SUPP_UPGRADE; + } + /* Otherwise the client must be confused wanting a delegation + * it already has, therefore we don't return + * NFS4_OPEN_DELEGATE_NONE_EXT and reason. + */ +} + /* * called with nfs4_lock_state() held. */ @@ -3035,21 +3053,8 @@ nodeleg: out: /* 4.1 client trying to upgrade/downgrade delegation? */ if (open->op_delegate_type == NFS4_OPEN_DELEGATE_NONE && dp && - open->op_deleg_want) { - if (open->op_deleg_want == NFS4_SHARE_WANT_READ_DELEG && - dp->dl_type == NFS4_OPEN_DELEGATE_WRITE) { - open->op_delegate_type = NFS4_OPEN_DELEGATE_NONE_EXT; - open->op_why_no_deleg = WND4_NOT_SUPP_DOWNGRADE; - } else if (open->op_deleg_want == NFS4_SHARE_WANT_WRITE_DELEG && - dp->dl_type == NFS4_OPEN_DELEGATE_WRITE) { - open->op_delegate_type = NFS4_OPEN_DELEGATE_NONE_EXT; - open->op_why_no_deleg = WND4_NOT_SUPP_UPGRADE; - } - /* Otherwise the client must be confused wanting a delegation - * it already has, therefore we don't return - * NFS4_OPEN_DELEGATE_NONE_EXT and reason. - */ - } + open->op_deleg_want) + nfsd4_deleg_xgrade_none_ext(open, dp); if (fp) put_nfs4_file(fp); |