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authorXavier Hernandez <xhernandez@datalab.es>2014-10-28 14:00:29 +0100
committerVijay Bellur <vbellur@redhat.com>2014-11-12 01:46:38 -0800
commita5e5813aeec36dbbfaa3b9821618d24972a1bf2f (patch)
treee3d47eab2ff5668285d4a5eb8fb20b511b8a8dc4 /xlators/cluster/ec
parent1800fba11260b348d06bfc21244c4ebc72bd7b95 (diff)
ec: Correctly handle quota xattrs
Change-Id: I35e11d83c318210d44b918e847cf13db35b01510 BUG: 1158008 Signed-off-by: Xavier Hernandez <xhernandez@datalab.es> Reviewed-on: http://review.gluster.org/8990 Reviewed-by: Dan Lambright <dlambrig@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com>
Diffstat (limited to 'xlators/cluster/ec')
-rw-r--r--xlators/cluster/ec/src/ec-combine.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/xlators/cluster/ec/src/ec-combine.c b/xlators/cluster/ec/src/ec-combine.c
index 5468777f432..540e155556c 100644
--- a/xlators/cluster/ec/src/ec-combine.c
+++ b/xlators/cluster/ec/src/ec-combine.c
@@ -21,12 +21,15 @@
#include <fnmatch.h>
#include "libxlator.h"
+#include "byte-order.h"
#include "ec-data.h"
#include "ec-helpers.h"
#include "ec-common.h"
#include "ec-combine.h"
+#define EC_QUOTA_PREFIX "trusted.glusterfs.quota."
+
struct _ec_dict_info;
typedef struct _ec_dict_info ec_dict_info_t;
@@ -140,6 +143,7 @@ int32_t ec_dict_data_compare(dict_t * dict, char * key, data_t * value,
(strcmp(key, GF_XATTR_LOCKINFO_KEY) == 0) ||
(strcmp(key, GF_XATTR_CLRLK_CMD) == 0) ||
(strcmp(key, GLUSTERFS_OPEN_FD_COUNT) == 0) ||
+ (strncmp(key, EC_QUOTA_PREFIX, strlen(EC_QUOTA_PREFIX)) == 0) ||
(fnmatch(GF_XATTR_STIME_PATTERN, key, 0) == 0) ||
(fnmatch(MARKER_XATTR_PREFIX ".*." XTIME, key, 0) == 0) ||
(XATTR_IS_NODE_UUID(key)))
@@ -531,6 +535,47 @@ int32_t ec_dict_data_max64(ec_cbk_data_t *cbk, int32_t which, char *key)
return 0;
}
+int32_t ec_dict_data_quota(ec_cbk_data_t *cbk, int32_t which, char *key)
+{
+ data_t *data[cbk->count];
+ dict_t *dict;
+ ec_t *ec;
+ int32_t i, num;
+ uint64_t max, tmp;
+
+ num = cbk->count;
+ if (!ec_dict_list(data, &num, cbk, which, key)) {
+ return -1;
+ }
+
+ if (num == 0) {
+ return 0;
+ }
+
+ /* Quota size xattr is managed outside of the control of the ec xlator.
+ * This means that it might not be updated at the same time on all
+ * bricks and we can receive slightly different values. If that's the
+ * case, we take the maximum of all received values.
+ */
+ max = ntoh64(*(uint64_t *)data_to_ptr(data[0]));
+ for (i = 1; i < num; i++) {
+ tmp = ntoh64(*(uint64_t *)data_to_ptr(data[i]));
+ if (max < tmp) {
+ max = tmp;
+ }
+ }
+
+ ec = cbk->fop->xl->private;
+ max *= ec->fragments;
+
+ dict = (which == EC_COMBINE_XDATA) ? cbk->xdata : cbk->dict;
+ if (ec_dict_set_number(dict, key, max) != 0) {
+ return -1;
+ }
+
+ return 0;
+}
+
int32_t ec_dict_data_stime(ec_cbk_data_t * cbk, int32_t which, char * key)
{
data_t * data[cbk->count];
@@ -586,6 +631,14 @@ int32_t ec_dict_data_combine(dict_t * dict, char * key, data_t * value,
return ec_dict_data_max32(data->cbk, data->which, key);
}
+ if (strcmp(key, QUOTA_SIZE_KEY) == 0) {
+ return ec_dict_data_quota(data->cbk, data->which, key);
+ }
+ /* Ignore all other quota attributes */
+ if (strncmp(key, EC_QUOTA_PREFIX, strlen(EC_QUOTA_PREFIX)) == 0) {
+ return 0;
+ }
+
if (XATTR_IS_NODE_UUID(key))
{
return ec_dict_data_uuid(data->cbk, data->which, key);