ceph: cap tracking for async directory operations

[linux-2.6-microblaze.git] / include / linux / ceph / ceph_fs.h

diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h
index cb21c5c..91d09cf 100644 (file)
--- a/include/linux/ceph/ceph_fs.h
+++ b/include/linux/ceph/ceph_fs.h
@@ -444,8 +444,9 @@ union ceph_mds_request_args {
        } __attribute__ ((packed)) lookupino;
 } __attribute__ ((packed));
 
-#define CEPH_MDS_FLAG_REPLAY        1  /* this is a replayed op */
-#define CEPH_MDS_FLAG_WANT_DENTRY   2  /* want dentry in reply */
+#define CEPH_MDS_FLAG_REPLAY           1 /* this is a replayed op */
+#define CEPH_MDS_FLAG_WANT_DENTRY      2 /* want dentry in reply */
+#define CEPH_MDS_FLAG_ASYNC            4 /* request is asynchronous */
 
 struct ceph_mds_request_head {
        __le64 oldest_client_tid;
@@ -530,6 +531,9 @@ struct ceph_mds_reply_lease {
        __le32 seq;
 } __attribute__ ((packed));
 
+#define CEPH_LEASE_VALID        (1 | 2) /* old and new bit values */
+#define CEPH_LEASE_PRIMARY_LINK 4       /* primary linkage */
+
 struct ceph_mds_reply_dirfrag {
        __le32 frag;            /* fragment */
        __le32 auth;            /* auth mds, if this is a delegation point */
@@ -659,6 +663,12 @@ int ceph_flags_to_mode(int flags);
 #define CEPH_CAP_LOCKS (CEPH_LOCK_IFILE | CEPH_LOCK_IAUTH | CEPH_LOCK_ILINK | \
                        CEPH_LOCK_IXATTR)
 
+/* cap masks async dir operations */
+#define CEPH_CAP_DIR_CREATE    CEPH_CAP_FILE_CACHE
+#define CEPH_CAP_DIR_UNLINK    CEPH_CAP_FILE_RD
+#define CEPH_CAP_ANY_DIR_OPS   (CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_RD | \
+                                CEPH_CAP_FILE_WREXTEND | CEPH_CAP_FILE_LAZYIO)
+
 int ceph_caps_for_mode(int mode);
 
 enum {