diff options
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index c2d2895a1ec1..a99bbb88c6e1 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -57,6 +57,20 @@ #define NFSDDBG_FACILITY NFSDDBG_XDR +u32 nfsd_suppattrs[3][3] = { + {NFSD4_SUPPORTED_ATTRS_WORD0, + NFSD4_SUPPORTED_ATTRS_WORD1, + NFSD4_SUPPORTED_ATTRS_WORD2}, + + {NFSD4_1_SUPPORTED_ATTRS_WORD0, + NFSD4_1_SUPPORTED_ATTRS_WORD1, + NFSD4_1_SUPPORTED_ATTRS_WORD2}, + + {NFSD4_1_SUPPORTED_ATTRS_WORD0, + NFSD4_1_SUPPORTED_ATTRS_WORD1, + NFSD4_2_SUPPORTED_ATTRS_WORD2}, +}; + /* * As per referral draft, the fsid for a referral MUST be different from the fsid of the containing * directory in order to indicate to the client that a filesystem boundary is present @@ -2340,9 +2354,7 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); BUG_ON(bmval1 & NFSD_WRITEONLY_ATTRS_WORD1); - BUG_ON(bmval0 & ~nfsd_suppattrs0(minorversion)); - BUG_ON(bmval1 & ~nfsd_suppattrs1(minorversion)); - BUG_ON(bmval2 & ~nfsd_suppattrs2(minorversion)); + BUG_ON(!nfsd_attrs_supported(minorversion, bmval)); if (exp->ex_fslocs.migrated) { status = fattr_handle_absent_fs(&bmval0, &bmval1, &bmval2, &rdattr_err); @@ -2409,29 +2421,27 @@ nfsd4_encode_fattr(struct xdr_stream *xdr, struct svc_fh *fhp, p++; /* to be backfilled later */ if (bmval0 & FATTR4_WORD0_SUPPORTED_ATTRS) { - u32 word0 = nfsd_suppattrs0(minorversion); - u32 word1 = nfsd_suppattrs1(minorversion); - u32 word2 = nfsd_suppattrs2(minorversion); + u32 *supp = nfsd_suppattrs[minorversion]; if (!IS_POSIXACL(dentry->d_inode)) - word0 &= ~FATTR4_WORD0_ACL; + supp[0] &= ~FATTR4_WORD0_ACL; if (!contextsupport) - word2 &= ~FATTR4_WORD2_SECURITY_LABEL; - if (!word2) { + supp[2] &= ~FATTR4_WORD2_SECURITY_LABEL; + if (!supp[2]) { p = xdr_reserve_space(xdr, 12); if (!p) goto out_resource; *p++ = cpu_to_be32(2); - *p++ = cpu_to_be32(word0); - *p++ = cpu_to_be32(word1); + *p++ = cpu_to_be32(supp[0]); + *p++ = cpu_to_be32(supp[1]); } else { p = xdr_reserve_space(xdr, 16); if (!p) goto out_resource; *p++ = cpu_to_be32(3); - *p++ = cpu_to_be32(word0); - *p++ = cpu_to_be32(word1); - *p++ = cpu_to_be32(word2); + *p++ = cpu_to_be32(supp[0]); + *p++ = cpu_to_be32(supp[1]); + *p++ = cpu_to_be32(supp[2]); } } if (bmval0 & FATTR4_WORD0_TYPE) { |