summaryrefslogtreecommitdiffstats
path: root/xlators/features/read-only/src/read-only.c
diff options
context:
space:
mode:
Diffstat (limited to 'xlators/features/read-only/src/read-only.c')
-rw-r--r--xlators/features/read-only/src/read-only.c68
1 files changed, 63 insertions, 5 deletions
diff --git a/xlators/features/read-only/src/read-only.c b/xlators/features/read-only/src/read-only.c
index e49e54a1b31..173c4f51e2a 100644
--- a/xlators/features/read-only/src/read-only.c
+++ b/xlators/features/read-only/src/read-only.c
@@ -12,14 +12,31 @@
#include "config.h"
#endif
-#include "xlator.h"
#include "defaults.h"
#include "read-only-common.h"
+#include "read-only-mem-types.h"
+#include "read-only.h"
+
+int32_t
+mem_acct_init (xlator_t *this)
+{
+ int ret = -1;
+
+ ret = xlator_mem_acct_init (this, gf_read_only_mt_end + 1);
+ if (ret)
+ gf_log (this->name, GF_LOG_ERROR, "Memory accounting "
+ "initialization failed.");
+
+ return ret;
+}
int32_t
init (xlator_t *this)
{
- if (!this->children || this->children->next) {
+ int ret = -1;
+ read_only_priv_t *priv = NULL;
+
+ if (!this->children || this->children->next) {
gf_log (this->name, GF_LOG_ERROR,
"translator not configured with exactly one child");
return -1;
@@ -30,14 +47,50 @@ init (xlator_t *this)
"dangling volume. check volfile ");
}
- return 0;
+ priv = GF_CALLOC (1, sizeof (*priv), gf_read_only_mt_priv_t);
+ if (!priv)
+ goto out;
+
+ GF_OPTION_INIT ("read-only", priv->readonly_or_worm_enabled, bool, out);
+
+ this->private = priv;
+ ret = 0;
+out:
+ return ret;
}
+int
+reconfigure (xlator_t *this, dict_t *options)
+{
+ read_only_priv_t *priv = NULL;
+ int ret = -1;
+ gf_boolean_t readonly_or_worm_enabled = _gf_false;
+
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ GF_OPTION_RECONF ("read-only", readonly_or_worm_enabled, options, bool,
+ out);
+ priv->readonly_or_worm_enabled = readonly_or_worm_enabled;
+ ret = 0;
+out:
+ gf_log (this->name, GF_LOG_DEBUG, "returning %d", ret);
+ return ret;
+}
void
fini (xlator_t *this)
{
- return;
+ read_only_priv_t *priv = NULL;
+
+ priv = this->private;
+ if (!priv)
+ return;
+
+ this->private = NULL;
+ GF_FREE (priv);
+
+ return;
}
@@ -73,5 +126,10 @@ struct xlator_cbks cbks = {
};
struct volume_options options[] = {
- { .key = {NULL} },
+ { .key = {"read-only"},
+ .type = GF_OPTION_TYPE_BOOL,
+ .default_value = "off",
+ .description = "When \"on\", makes a volume read-only. It is turned "
+ "\"off\" by default."
+ },
};