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authorJ. Bruce Fields <bfields@redhat.com>2017-05-06 17:38:39 +0300
committerJ. Bruce Fields <bfields@redhat.com>2017-08-02 00:36:35 +0300
commit0020939f20ce2881e51488e254fbb7a9b6c515f6 (patch)
tree3d41a3fb79f92fe71bc3047bf18c69bccde3beb7 /fs/nfsd/xdr4.h
parent16f73eb02d7e1765ccab3d2018e0bd98eb93d973 (diff)
downloadlinux-0020939f20ce2881e51488e254fbb7a9b6c515f6.tar.xz
nfsd4: move some nfsd4 op definitions to xdr4.h
I want code in nfs4xdr.c to have access to this stuff. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/xdr4.h')
-rw-r--r--fs/nfsd/xdr4.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index 72c6ad136107..fcdfe1c3ff4f 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -748,6 +748,50 @@ extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *);
extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
+enum nfsd4_op_flags {
+ ALLOWED_WITHOUT_FH = 1 << 0, /* No current filehandle required */
+ ALLOWED_ON_ABSENT_FS = 1 << 1, /* ops processed on absent fs */
+ ALLOWED_AS_FIRST_OP = 1 << 2, /* ops reqired first in compound */
+ /* For rfc 5661 section 2.6.3.1.1: */
+ OP_HANDLES_WRONGSEC = 1 << 3,
+ OP_IS_PUTFH_LIKE = 1 << 4,
+ /*
+ * These are the ops whose result size we estimate before
+ * encoding, to avoid performing an op then not being able to
+ * respond or cache a response. This includes writes and setattrs
+ * as well as the operations usually called "nonidempotent":
+ */
+ OP_MODIFIES_SOMETHING = 1 << 5,
+ /*
+ * Cache compounds containing these ops in the xid-based drc:
+ * We use the DRC for compounds containing non-idempotent
+ * operations, *except* those that are 4.1-specific (since
+ * sessions provide their own EOS), and except for stateful
+ * operations other than setclientid and setclientid_confirm
+ * (since sequence numbers provide EOS for open, lock, etc in
+ * the v4.0 case).
+ */
+ OP_CACHEME = 1 << 6,
+ /*
+ * These are ops which clear current state id.
+ */
+ OP_CLEAR_STATEID = 1 << 7,
+};
+
+struct nfsd4_operation {
+ __be32 (*op_func)(struct svc_rqst *, struct nfsd4_compound_state *,
+ union nfsd4_op_u *);
+ u32 op_flags;
+ char *op_name;
+ /* Try to get response size before operation */
+ u32 (*op_rsize_bop)(struct svc_rqst *, struct nfsd4_op *);
+ void (*op_get_currentstateid)(struct nfsd4_compound_state *,
+ union nfsd4_op_u *);
+ void (*op_set_currentstateid)(struct nfsd4_compound_state *,
+ union nfsd4_op_u *);
+};
+
+
#endif
/*