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authorBarak Sason Rofman <bsasonro@redhat.com>2020-09-16 13:22:57 +0300
committerBarak Sason Rofman <bsasonro@redhat.com>2020-10-01 17:50:15 +0300
commitd63b97c93a1d7d123f55e3652389af289ddd3096 (patch)
tree44bad42b412c9a3d606f2026260ae68f89d178a2 /xlators/cluster/dht/src/dht-common.c
parent268faabed00995537394c04ac168c018167fbe27 (diff)
dht - Remove "tier" code (part 2)
Part 1 of this patch https://review.gluster.org/#/c/glusterfs/+/24328/ Following part 1, this patch complety removes all traces of "tier" feature in dht. This is based in the work done in https://review.gluster.org/#/c/glusterfs/+/23935/ Change-Id: I7fba1ab7249719301ca578b4a6f4acac748da145 updates: #1097 Signed-off-by: Barak Sason Rofman <bsasonro@redhat.com>
Diffstat (limited to 'xlators/cluster/dht/src/dht-common.c')
-rw-r--r--xlators/cluster/dht/src/dht-common.c104
1 files changed, 15 insertions, 89 deletions
diff --git a/xlators/cluster/dht/src/dht-common.c b/xlators/cluster/dht/src/dht-common.c
index aa3f938e9bc..8ba0cc4c732 100644
--- a/xlators/cluster/dht/src/dht-common.c
+++ b/xlators/cluster/dht/src/dht-common.c
@@ -2161,31 +2161,18 @@ static int
dht_fill_dict_to_avoid_unlink_of_migrating_file(dict_t *dict)
{
int ret = 0;
- xlator_t *this = NULL;
- char *linktoskip_key = NULL;
-
- this = THIS;
- GF_VALIDATE_OR_GOTO("dht", this, err);
-
- if (dht_is_tier_xlator(this))
- linktoskip_key = TIER_SKIP_NON_LINKTO_UNLINK;
- else
- linktoskip_key = DHT_SKIP_NON_LINKTO_UNLINK;
- ret = dict_set_int32(dict, linktoskip_key, 1);
+ ret = dict_set_int32_sizen(dict, DHT_SKIP_NON_LINKTO_UNLINK, 1);
if (ret)
- goto err;
+ return -1;
- ret = dict_set_int32(dict, DHT_SKIP_OPEN_FD_UNLINK, 1);
+ ret = dict_set_int32_sizen(dict, DHT_SKIP_OPEN_FD_UNLINK, 1);
if (ret)
- goto err;
+ return -1;
return 0;
-
-err:
- return -1;
}
static int32_t
@@ -4606,18 +4593,8 @@ dht_getxattr_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
dict_del(xattr, conf->xattr_name);
dict_del(xattr, conf->mds_xattr_key);
- /* filter out following two xattrs that need not
- * be visible on the mount point for geo-rep -
- * trusted.tier.fix.layout.complete and
- * trusted.tier.tier-dht.commithash
- */
-
dict_del(xattr, conf->commithash_xattr_name);
- if (frame->root->pid >= 0 && dht_is_tier_xlator(this)) {
- dict_del(xattr, GF_XATTR_TIER_LAYOUT_FIXED_KEY);
- }
-
if (frame->root->pid >= 0) {
GF_REMOVE_INTERNAL_XATTR("trusted.glusterfs.quota*", xattr);
GF_REMOVE_INTERNAL_XATTR("trusted.pgfid*", xattr);
@@ -5895,22 +5872,7 @@ dht_setxattr(call_frame_t *frame, xlator_t *this, loc_t *loc, dict_t *xattr,
if (local->rebalance.target_node) {
local->flags = forced_rebalance;
- /* Flag to suggest its a tiering migration
- * The reason for this dic key-value is that
- * promotions and demotions are multithreaded
- * so the original frame from gf_defrag_start()
- * is not carried. A new frame will be created when
- * we do syncop_setxattr(). This does not have the
- * frame->root->pid of the original frame. So we pass
- * this dic key-value when we do syncop_setxattr() to do
- * data migration and set the frame->root->pid to
- * GF_CLIENT_PID_TIER_DEFRAG in dht_setxattr() just before
- * calling dht_start_rebalance_task() */
- tmp = dict_get(xattr, TIERING_MIGRATION_KEY);
- if (tmp)
- frame->root->pid = GF_CLIENT_PID_TIER_DEFRAG;
- else
- frame->root->pid = GF_CLIENT_PID_DEFRAG;
+ frame->root->pid = GF_CLIENT_PID_DEFRAG;
ret = dht_start_rebalance_task(this, frame);
if (!ret)
@@ -6722,10 +6684,9 @@ dht_readdirp_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
layout = local->layout;
- /* We have seen crashes in while running "rm -rf" on tier volumes
- when the layout was NULL on the hot tier. This will skip the
- entries on the subvol without a layout, hence preventing the crash
- but rmdir might fail with "directory not empty" errors*/
+ /* This will skip the entries on the subvol without a layout,
+ * hence preventing the crash but rmdir might fail with
+ * "directory not empty" errors*/
if (layout == NULL)
goto done;
@@ -10857,15 +10818,12 @@ dht_notify(xlator_t *this, int event, void *data, ...)
gf_defrag_type cmd = 0;
dict_t *output = NULL;
va_list ap;
- dht_methods_t *methods = NULL;
struct gf_upcall *up_data = NULL;
struct gf_upcall_cache_invalidation *up_ci = NULL;
conf = this->private;
GF_VALIDATE_OR_GOTO(this->name, conf, out);
- methods = &(conf->methods);
-
/* had all subvolumes reported status once till now? */
had_heard_from_all = 1;
for (i = 0; i < conf->subvolume_cnt; i++) {
@@ -11088,15 +11046,13 @@ dht_notify(xlator_t *this, int event, void *data, ...)
* thread has already started.
*/
if (conf->defrag && !run_defrag) {
- if (methods->migration_needed(this)) {
- run_defrag = 1;
- ret = gf_thread_create(&conf->defrag->th, NULL, gf_defrag_start,
- this, "dhtdg");
- if (ret) {
- GF_FREE(conf->defrag);
- conf->defrag = NULL;
- kill(getpid(), SIGTERM);
- }
+ run_defrag = 1;
+ ret = gf_thread_create(&conf->defrag->th, NULL, gf_defrag_start,
+ this, "dhtdg");
+ if (ret) {
+ GF_FREE(conf->defrag);
+ conf->defrag = NULL;
+ kill(getpid(), SIGTERM);
}
}
}
@@ -11241,28 +11197,6 @@ out:
return ret;
}
-int32_t
-dht_migration_needed(xlator_t *this)
-{
- gf_defrag_info_t *defrag = NULL;
- dht_conf_t *conf = NULL;
- int ret = 0;
-
- conf = this->private;
-
- GF_VALIDATE_OR_GOTO("dht", conf, out);
- GF_VALIDATE_OR_GOTO("dht", conf->defrag, out);
-
- defrag = conf->defrag;
-
- if ((defrag->cmd != GF_DEFRAG_CMD_START_TIER) &&
- (defrag->cmd != GF_DEFRAG_CMD_START_DETACH_TIER))
- ret = 1;
-
-out:
- return ret;
-}
-
/*
This function should not be called more then once during a FOP
handling path. It is valid only for for ops on files
@@ -11297,14 +11231,6 @@ dht_set_local_rebalance(xlator_t *this, dht_local_t *local, struct iatt *stbuf,
return 0;
}
-gf_boolean_t
-dht_is_tier_xlator(xlator_t *this)
-{
- if (strcmp(this->type, "cluster/tier") == 0)
- return _gf_true;
- return _gf_false;
-}
-
int32_t
dht_release(xlator_t *this, fd_t *fd)
{