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Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-locks.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-locks.c82
1 files changed, 59 insertions, 23 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-locks.c b/xlators/mgmt/glusterd/src/glusterd-locks.c
index 68c6d74..9e8bbc2 100644
--- a/xlators/mgmt/glusterd/src/glusterd-locks.c
+++ b/xlators/mgmt/glusterd/src/glusterd-locks.c
@@ -26,17 +26,22 @@
#include <signal.h>
-static dict_t *vol_lock;
-
/* Initialize the global vol-lock list(dict) when
* glusterd is spawned */
int32_t
glusterd_vol_lock_init ()
{
- int32_t ret = -1;
+ int32_t ret = -1;
+ xlator_t *this = NULL;
+ glusterd_conf_t *priv = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
- vol_lock = dict_new ();
- if (!vol_lock)
+ priv->vol_lock = dict_new ();
+ if (!priv->vol_lock)
goto out;
ret = 0;
@@ -49,16 +54,31 @@ out:
void
glusterd_vol_lock_fini ()
{
- if (vol_lock)
- dict_unref (vol_lock);
+ xlator_t *this = NULL;
+ glusterd_conf_t *priv = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
+
+ if (priv->vol_lock)
+ dict_unref (priv->vol_lock);
}
int32_t
glusterd_get_vol_lock_owner (char *volname, uuid_t *uuid)
{
- int32_t ret = -1;
- vol_lock_obj *lock_obj = NULL;
- uuid_t no_owner = {0,};
+ int32_t ret = -1;
+ glusterd_vol_lock_obj *lock_obj = NULL;
+ glusterd_conf_t *priv = NULL;
+ uuid_t no_owner = {0,};
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
if (!volname || !uuid) {
gf_log ("", GF_LOG_ERROR, "volname or uuid is null.");
@@ -66,7 +86,7 @@ glusterd_get_vol_lock_owner (char *volname, uuid_t *uuid)
goto out;
}
- ret = dict_get_bin (vol_lock, volname, (void **) &lock_obj);
+ ret = dict_get_bin (priv->vol_lock, volname, (void **) &lock_obj);
if (!ret)
uuid_copy (*uuid, lock_obj->lock_owner);
else
@@ -81,9 +101,16 @@ out:
int32_t
glusterd_volume_lock (char *volname, uuid_t uuid)
{
- int32_t ret = -1;
- vol_lock_obj *lock_obj = NULL;
- uuid_t owner = {0};
+ int32_t ret = -1;
+ glusterd_vol_lock_obj *lock_obj = NULL;
+ glusterd_conf_t *priv = NULL;
+ uuid_t owner = {0};
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
if (!volname) {
gf_log ("", GF_LOG_ERROR, "volname is null.");
@@ -93,21 +120,22 @@ glusterd_volume_lock (char *volname, uuid_t uuid)
ret = glusterd_get_vol_lock_owner (volname, &owner);
if (ret) {
- gf_log ("", GF_LOG_DEBUG, "Unable to get volume lock owner");
+ gf_log ("", GF_LOG_WARNING,
+ "Unable to get volume lock owner");
goto out;
}
/* If the lock has already been held for the given volume
* we fail */
if (!uuid_is_null (owner)) {
- gf_log ("", GF_LOG_ERROR, "Unable to acquire lock. "
+ gf_log ("", GF_LOG_WARNING, "Unable to acquire lock. "
"Lock for %s held by %s", volname,
uuid_utoa (owner));
ret = -1;
goto out;
}
- lock_obj = GF_CALLOC (1, sizeof(vol_lock_obj),
+ lock_obj = GF_CALLOC (1, sizeof(glusterd_vol_lock_obj),
gf_common_mt_vol_lock_obj_t);
if (!lock_obj) {
ret = -1;
@@ -116,7 +144,8 @@ glusterd_volume_lock (char *volname, uuid_t uuid)
uuid_copy (lock_obj->lock_owner, uuid);
- ret = dict_set_bin (vol_lock, volname, lock_obj, sizeof(vol_lock_obj));
+ ret = dict_set_bin (priv->vol_lock, volname, lock_obj,
+ sizeof(glusterd_vol_lock_obj));
if (ret) {
gf_log ("", GF_LOG_ERROR, "Unable to set lock owner "
"in volume lock");
@@ -137,8 +166,15 @@ out:
int32_t
glusterd_volume_unlock (char *volname, uuid_t uuid)
{
- int32_t ret = -1;
- uuid_t owner = {0};
+ int32_t ret = -1;
+ glusterd_conf_t *priv = NULL;
+ uuid_t owner = {0};
+ xlator_t *this = NULL;
+
+ this = THIS;
+ GF_ASSERT (this);
+ priv = this->private;
+ GF_ASSERT (priv);
if (!volname) {
gf_log ("", GF_LOG_ERROR, "volname is null.");
@@ -151,21 +187,21 @@ glusterd_volume_unlock (char *volname, uuid_t uuid)
goto out;
if (uuid_is_null (owner)) {
- gf_log ("", GF_LOG_ERROR, "Lock for %s not held", volname);
+ gf_log ("", GF_LOG_WARNING, "Lock for %s not held", volname);
ret = -1;
goto out;
}
ret = uuid_compare (uuid, owner);
if (ret) {
- gf_log (THIS->name, GF_LOG_ERROR, "Lock owner mismatch. "
+ gf_log (THIS->name, GF_LOG_WARNING, "Lock owner mismatch. "
"Lock for %s held by %s",
volname, uuid_utoa (owner));
goto out;
}
/* Removing the volume lock from the global list */
- dict_del (vol_lock, volname);
+ dict_del (priv->vol_lock, volname);
gf_log ("", GF_LOG_DEBUG, "Lock for %s successfully released",
volname);