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-rw-r--r--fs/nfs/nfs4xdr.c71
-rw-r--r--include/linux/nfs4.h1
-rw-r--r--include/linux/nfs_xdr.h7
3 files changed, 78 insertions, 1 deletions
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 6f1c003ee33..325cd6d4f23 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -372,6 +372,13 @@ static int nfs_stat_to_errno(int);
decode_putfh_maxsz + \
op_decode_hdr_maxsz + \
nfs4_fattr_bitmap_maxsz + 1)
+#define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
+ encode_putfh_maxsz + \
+ op_encode_hdr_maxsz + 4 + \
+ nfs4_fattr_bitmap_maxsz + 1)
+#define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
+ decode_putfh_maxsz + \
+ op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
static struct {
unsigned int mode;
@@ -471,7 +478,7 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s
* In the worst-case, this would be
* 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
* = 36 bytes, plus any contribution from variable-length fields
- * such as owner/group/acl's.
+ * such as owner/group.
*/
len = 16;
@@ -1096,6 +1103,25 @@ static int encode_renew(struct xdr_stream *xdr, const struct nfs4_client *client
}
static int
+encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg)
+{
+ uint32_t *p;
+
+ RESERVE_SPACE(4+sizeof(zero_stateid.data));
+ WRITE32(OP_SETATTR);
+ WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
+ RESERVE_SPACE(2*4);
+ WRITE32(1);
+ WRITE32(FATTR4_WORD0_ACL);
+ if (arg->acl_len % 4)
+ return -EINVAL;
+ RESERVE_SPACE(4);
+ WRITE32(arg->acl_len);
+ xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len);
+ return 0;
+}
+
+static int
encode_savefh(struct xdr_stream *xdr)
{
uint32_t *p;
@@ -3492,6 +3518,48 @@ out:
}
+/*
+ * Encode an SETACL request
+ */
+static int
+nfs4_xdr_enc_setacl(struct rpc_rqst *req, uint32_t *p, struct nfs_setaclargs *args)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr = {
+ .nops = 2,
+ };
+ int status;
+
+ xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+ encode_compound_hdr(&xdr, &hdr);
+ status = encode_putfh(&xdr, args->fh);
+ if (status)
+ goto out;
+ status = encode_setacl(&xdr, args);
+out:
+ return status;
+}
+/*
+ * Decode SETACL response
+ */
+static int
+nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res)
+{
+ struct xdr_stream xdr;
+ struct compound_hdr hdr;
+ int status;
+
+ xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+ status = decode_compound_hdr(&xdr, &hdr);
+ if (status)
+ goto out;
+ status = decode_putfh(&xdr);
+ if (status)
+ goto out;
+ status = decode_setattr(&xdr, res);
+out:
+ return status;
+}
/*
* Decode GETACL response
@@ -4117,6 +4185,7 @@ struct rpc_procinfo nfs4_procedures[] = {
PROC(SERVER_CAPS, enc_server_caps, dec_server_caps),
PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn),
PROC(GETACL, enc_getacl, dec_getacl),
+ PROC(SETACL, enc_setacl, dec_setacl),
};
struct rpc_version nfs_version4 = {
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 6ee7e2585af..5bb5b2fd7ba 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -383,6 +383,7 @@ enum {
NFSPROC4_CLNT_SERVER_CAPS,
NFSPROC4_CLNT_DELEGRETURN,
NFSPROC4_CLNT_GETACL,
+ NFSPROC4_CLNT_SETACL,
};
#endif
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 9f5e1d407c7..46b206b460c 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -326,6 +326,13 @@ struct nfs_setattrargs {
const u32 * bitmask;
};
+struct nfs_setaclargs {
+ struct nfs_fh * fh;
+ size_t acl_len;
+ unsigned int acl_pgbase;
+ struct page ** acl_pages;
+};
+
struct nfs_getaclargs {
struct nfs_fh * fh;
size_t acl_len;