diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/nfsd/nfs4proc.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index 3a652e741374..8522729830db 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c | |||
@@ -802,8 +802,10 @@ typedef __be32(*nfsd4op_func)(struct svc_rqst *, struct nfsd4_compound_state *, | |||
802 | struct nfsd4_operation { | 802 | struct nfsd4_operation { |
803 | nfsd4op_func op_func; | 803 | nfsd4op_func op_func; |
804 | u32 op_flags; | 804 | u32 op_flags; |
805 | /* Most ops require a valid current filehandle; a few don't: */ | ||
806 | #define ALLOWED_WITHOUT_FH 1 | ||
805 | /* GETATTR and ops not listed as returning NFS4ERR_MOVED: */ | 807 | /* GETATTR and ops not listed as returning NFS4ERR_MOVED: */ |
806 | #define ALLOWED_ON_ABSENT_FS 1 | 808 | #define ALLOWED_ON_ABSENT_FS 2 |
807 | }; | 809 | }; |
808 | 810 | ||
809 | static struct nfsd4_operation nfsd4_ops[]; | 811 | static struct nfsd4_operation nfsd4_ops[]; |
@@ -874,18 +876,8 @@ nfsd4_proc_compound(struct svc_rqst *rqstp, | |||
874 | 876 | ||
875 | opdesc = &nfsd4_ops[op->opnum]; | 877 | opdesc = &nfsd4_ops[op->opnum]; |
876 | 878 | ||
877 | /* All operations except RENEW, SETCLIENTID, RESTOREFH | ||
878 | * SETCLIENTID_CONFIRM, PUTFH and PUTROOTFH | ||
879 | * require a valid current filehandle | ||
880 | */ | ||
881 | if (!cstate->current_fh.fh_dentry) { | 879 | if (!cstate->current_fh.fh_dentry) { |
882 | if (!((op->opnum == OP_PUTFH) || | 880 | if (!(opdesc->op_flags & ALLOWED_WITHOUT_FH)) { |
883 | (op->opnum == OP_PUTROOTFH) || | ||
884 | (op->opnum == OP_SETCLIENTID) || | ||
885 | (op->opnum == OP_SETCLIENTID_CONFIRM) || | ||
886 | (op->opnum == OP_RENEW) || | ||
887 | (op->opnum == OP_RESTOREFH) || | ||
888 | (op->opnum == OP_RELEASE_LOCKOWNER))) { | ||
889 | op->status = nfserr_nofilehandle; | 881 | op->status = nfserr_nofilehandle; |
890 | goto encode_op; | 882 | goto encode_op; |
891 | } | 883 | } |
@@ -981,14 +973,15 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { | |||
981 | }, | 973 | }, |
982 | [OP_PUTFH] = { | 974 | [OP_PUTFH] = { |
983 | .op_func = (nfsd4op_func)nfsd4_putfh, | 975 | .op_func = (nfsd4op_func)nfsd4_putfh, |
976 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, | ||
984 | }, | 977 | }, |
985 | [OP_PUTPUBFH] = { | 978 | [OP_PUTPUBFH] = { |
986 | /* unsupported; just for future reference: */ | 979 | /* unsupported; just for future reference: */ |
987 | .op_flags = ALLOWED_ON_ABSENT_FS, | 980 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
988 | }, | 981 | }, |
989 | [OP_PUTROOTFH] = { | 982 | [OP_PUTROOTFH] = { |
990 | .op_func = (nfsd4op_func)nfsd4_putrootfh, | 983 | .op_func = (nfsd4op_func)nfsd4_putrootfh, |
991 | .op_flags = ALLOWED_ON_ABSENT_FS, | 984 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
992 | }, | 985 | }, |
993 | [OP_READ] = { | 986 | [OP_READ] = { |
994 | .op_func = (nfsd4op_func)nfsd4_read, | 987 | .op_func = (nfsd4op_func)nfsd4_read, |
@@ -1007,10 +1000,11 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { | |||
1007 | }, | 1000 | }, |
1008 | [OP_RENEW] = { | 1001 | [OP_RENEW] = { |
1009 | .op_func = (nfsd4op_func)nfsd4_renew, | 1002 | .op_func = (nfsd4op_func)nfsd4_renew, |
1010 | .op_flags = ALLOWED_ON_ABSENT_FS, | 1003 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
1011 | }, | 1004 | }, |
1012 | [OP_RESTOREFH] = { | 1005 | [OP_RESTOREFH] = { |
1013 | .op_func = (nfsd4op_func)nfsd4_restorefh, | 1006 | .op_func = (nfsd4op_func)nfsd4_restorefh, |
1007 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, | ||
1014 | }, | 1008 | }, |
1015 | [OP_SAVEFH] = { | 1009 | [OP_SAVEFH] = { |
1016 | .op_func = (nfsd4op_func)nfsd4_savefh, | 1010 | .op_func = (nfsd4op_func)nfsd4_savefh, |
@@ -1020,10 +1014,11 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { | |||
1020 | }, | 1014 | }, |
1021 | [OP_SETCLIENTID] = { | 1015 | [OP_SETCLIENTID] = { |
1022 | .op_func = (nfsd4op_func)nfsd4_setclientid, | 1016 | .op_func = (nfsd4op_func)nfsd4_setclientid, |
1023 | .op_flags = ALLOWED_ON_ABSENT_FS, | 1017 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
1024 | }, | 1018 | }, |
1025 | [OP_SETCLIENTID_CONFIRM] = { | 1019 | [OP_SETCLIENTID_CONFIRM] = { |
1026 | .op_func = (nfsd4op_func)nfsd4_setclientid_confirm, | 1020 | .op_func = (nfsd4op_func)nfsd4_setclientid_confirm, |
1021 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, | ||
1027 | }, | 1022 | }, |
1028 | [OP_VERIFY] = { | 1023 | [OP_VERIFY] = { |
1029 | .op_func = (nfsd4op_func)nfsd4_verify, | 1024 | .op_func = (nfsd4op_func)nfsd4_verify, |
@@ -1033,7 +1028,7 @@ static struct nfsd4_operation nfsd4_ops[OP_RELEASE_LOCKOWNER+1] = { | |||
1033 | }, | 1028 | }, |
1034 | [OP_RELEASE_LOCKOWNER] = { | 1029 | [OP_RELEASE_LOCKOWNER] = { |
1035 | .op_func = (nfsd4op_func)nfsd4_release_lockowner, | 1030 | .op_func = (nfsd4op_func)nfsd4_release_lockowner, |
1036 | .op_flags = ALLOWED_ON_ABSENT_FS, | 1031 | .op_flags = ALLOWED_WITHOUT_FH | ALLOWED_ON_ABSENT_FS, |
1037 | }, | 1032 | }, |
1038 | }; | 1033 | }; |
1039 | 1034 | ||