tier/ctr: Ignore creation of T file and Ctr Lookup heal improvememnts

1) Ignore creation of T file in ctr_mknod
2) Ignore lookup for T file in ctr_lookup
3) Ctr_lookup:
    a. If the gfid and pgfid in empty dont record
    b. Decreased log level for multiple heal attempts
    c. Inode/File heal happens after an expiry period, which is configurable.
    d. Hardlink heal happens after an expiry period, which is configurable.

Change-Id: Id8eb5092e78beaec22d05f5283645081619e2452
BUG: 1235269
Signed-off-by: Joseph Fernandes <josferna@redhat.com>
Reviewed-on: http://review.gluster.org/11334
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Tested-by: Dan Lambright <dlambrig@redhat.com>

1 files changed, 13 insertions, 2 deletions

diff --git a/libglusterfs/src/gfdb/gfdb_data_store_types.h b/libglusterfs/src/gfdb/gfdb_data_store_types.h
index b0511637ddc..f70a43a20fc 100644
--- a/libglusterfs/src/gfdb/gfdb_data_store_types.h
+++ b/libglusterfs/src/gfdb/gfdb_data_store_types.h
@@ -21,6 +21,16 @@
 #include "dict.h"
 #include "libglusterfs-messages.h"
 
+/*
+ * Helps in dynamically choosing log level
+ * */
+static inline gf_loglevel_t
+_gfdb_log_level (gf_loglevel_t given_level,
+                 gf_boolean_t ignore_level)
+{
+        return (ignore_level) ? GF_LOG_DEBUG : given_level;
+}
+
 typedef enum gf_db_operation {
         GFDB_INVALID_DB_OP = -1,
         /* Query DB OPS : All the Query DB_OP should be added */
@@ -66,8 +76,6 @@ typedef enum gf_db_operation {
 #define GF_COL_LINK_UPDATE              "LINK_UPDATE"
 
 
-
-
 /***********************Time related********************************/
 /*1 sec = 1000000 microsec*/
 #define GFDB_MICROSEC         1000000
@@ -300,6 +308,9 @@ typedef struct gfdb_db_record {
         /* Global flag to Record/Not Record wind or wind time.
          * This flag will overrule do_record_uwind_time*/
         gf_boolean_t                    do_record_times;
+        /* Ignoring errors while inserting.
+         * */
+        gf_boolean_t                    ignore_errors;
 } gfdb_db_record_t;