diff options
Diffstat (limited to 'fs/nfs/nfs4xdr.c')
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index 1c1768a8fcd1..1af6268a7d8c 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -52,6 +52,7 @@ #include <linux/nfs.h> #include <linux/nfs4.h> #include <linux/nfs_fs.h> +#include <linux/fs_struct.h> #include "nfs4_fs.h" #include "internal.h" @@ -1008,7 +1009,7 @@ static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *ve static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs4_label *label, const struct nfs_server *server, - bool excl_check) + bool excl_check, const umode_t *umask) { char owner_name[IDMAP_NAMESZ]; char owner_group[IDMAP_NAMESZ]; @@ -1022,18 +1023,21 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, /* * We reserve enough space to write the entire attribute buffer at once. - * In the worst-case, this would be - * 16(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) - * = 40 bytes, plus any contribution from variable-length fields - * such as owner/group. */ if (iap->ia_valid & ATTR_SIZE) { bmval[0] |= FATTR4_WORD0_SIZE; len += 8; } + if (!(server->attr_bitmask[2] & FATTR4_WORD2_MODE_UMASK)) + umask = NULL; if (iap->ia_valid & ATTR_MODE) { - bmval[1] |= FATTR4_WORD1_MODE; - len += 4; + if (umask) { + bmval[2] |= FATTR4_WORD2_MODE_UMASK; + len += 8; + } else { + bmval[1] |= FATTR4_WORD1_MODE; + len += 4; + } } if (iap->ia_valid & ATTR_UID) { owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); @@ -1134,6 +1138,10 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, *p++ = cpu_to_be32(label->len); p = xdr_encode_opaque_fixed(p, label->label, label->len); } + if (bmval[2] & FATTR4_WORD2_MODE_UMASK) { + *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); + *p++ = cpu_to_be32(*umask); + } /* out: */ } @@ -1188,7 +1196,8 @@ static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg * } encode_string(xdr, create->name->len, create->name->name); - encode_attrs(xdr, create->attrs, create->label, create->server, false); + encode_attrs(xdr, create->attrs, create->label, create->server, false, + &create->umask); } static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) @@ -1408,11 +1417,13 @@ static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_op switch(arg->createmode) { case NFS4_CREATE_UNCHECKED: *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); - encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false); + encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false, + &arg->umask); break; case NFS4_CREATE_GUARDED: *p = cpu_to_be32(NFS4_CREATE_GUARDED); - encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false); + encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false, + &arg->umask); break; case NFS4_CREATE_EXCLUSIVE: *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); @@ -1421,7 +1432,8 @@ static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_op case NFS4_CREATE_EXCLUSIVE4_1: *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); encode_nfs4_verifier(xdr, &arg->u.verifier); - encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, true); + encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, true, + &arg->umask); } } @@ -1677,7 +1689,7 @@ static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs { encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); encode_nfs4_stateid(xdr, &arg->stateid); - encode_attrs(xdr, arg->iap, arg->label, server, false); + encode_attrs(xdr, arg->iap, arg->label, server, false, NULL); } static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |