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authorshishir <shishirng@gluster.com>2011-07-19 16:02:12 +0530
committerAnand Avati <avati@gluster.com>2011-08-10 22:51:56 -0700
commit86999525240983dcbd3fe66eb40a0947730c695c (patch)
tree47ca5e1e42634de69280525f7032848cdcf6661f /libglusterfs/src/graph.c
parent5ce1b5c357d490f68ae89bfd3ce31326a81a1183 (diff)
WORM: Write Once Read Many times xlator support
This xlator will allow files to be opened for write in append mode only. Mount with --worm(glusterfs) or -o worm (mount) option to enable worm xlator Change-Id: I1be02fcf2aee2182ea2c66b514357918136fabeb BUG: 3166 Reviewed-on: http://review.gluster.com/23 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@gluster.com>
Diffstat (limited to 'libglusterfs/src/graph.c')
-rw-r--r--libglusterfs/src/graph.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/libglusterfs/src/graph.c b/libglusterfs/src/graph.c
index 725425d3994..acad239544b 100644
--- a/libglusterfs/src/graph.c
+++ b/libglusterfs/src/graph.c
@@ -247,6 +247,21 @@ glusterfs_graph_acl (glusterfs_graph_t *graph, glusterfs_ctx_t *ctx)
return ret;
}
+int
+glusterfs_graph_worm (glusterfs_graph_t *graph, glusterfs_ctx_t *ctx)
+{
+ int ret = 0;
+ cmd_args_t *cmd_args = NULL;
+
+ cmd_args = &ctx->cmd_args;
+
+ if (!cmd_args->worm)
+ return 0;
+
+ ret = glusterfs_graph_insert (graph, ctx, "features/worm",
+ "worm-autoload");
+ return ret;
+}
int
glusterfs_graph_mac_compat (glusterfs_graph_t *graph, glusterfs_ctx_t *ctx)
@@ -475,6 +490,12 @@ glusterfs_graph_prepare (glusterfs_graph_t *graph, glusterfs_ctx_t *ctx)
return -1;
}
+ /* XXX: WORM VOLUME */
+ ret = glusterfs_graph_worm (graph, ctx);
+ if (ret) {
+ gf_log ("graph", GF_LOG_ERROR, "glusterfs graph worm failed");
+ return -1;
+ }
ret = glusterfs_graph_acl (graph, ctx);
if (ret) {
gf_log ("graph", GF_LOG_ERROR, "glusterfs graph ACL failed");