core: add lease fop

Change-Id: Ia27d66b1061b0377857827515590eb89b18515c9
BUG: 1319992
Signed-off-by: Poornima G <pgurusid@redhat.com>
Reviewed-on: http://review.gluster.org/11596
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Smoke: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Reviewed-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/libglusterfs/src/glusterfs.h b/libglusterfs/src/glusterfs.h
index 3ffdeac1808..bcd84952f78 100644
--- a/libglusterfs/src/glusterfs.h
+++ b/libglusterfs/src/glusterfs.h
@@ -321,6 +321,7 @@ typedef enum {
         GF_FOP_ZEROFILL,
         GF_FOP_IPC,
         GF_FOP_SEEK,
+        GF_FOP_LEASE,
         GF_FOP_MAXVALUE,
 } glusterfs_fop_t;
 
@@ -358,6 +359,23 @@ typedef enum {
         GF_LK_EOL,
 } glusterfs_lk_types_t;
 
+/* Lease Types */
+enum gf_lease_types {
+        NONE        = 0,
+        GF_RD_LEASE = 1,
+        GF_RW_LEASE = 2,
+        GF_LEASE_MAX_TYPE,
+};
+typedef enum gf_lease_types gf_lease_types_t;
+
+/* Lease cmds */
+enum gf_lease_cmds {
+        GF_GET_LEASE = 1,
+        GF_SET_LEASE = 2,
+        GF_UNLK_LEASE = 3,
+};
+typedef enum gf_lease_cmds gf_lease_cmds_t;
+
 typedef enum {
         F_RESLK_LCK = 200,
         F_RESLK_LCKW,
@@ -640,6 +658,14 @@ typedef enum {
         GF_EVENT_MAXVAL,
 } glusterfs_event_t;
 
+#define LEASE_ID_SIZE 16 /* 128bits */
+struct gf_lease {
+        gf_lease_cmds_t  cmd;
+        gf_lease_types_t lease_type;
+        char             lease_id[LEASE_ID_SIZE];
+        unsigned int     lease_flags;
+};
+
 struct gf_flock {
         short        l_type;
         short        l_whence;