diff options
Diffstat (limited to '0243-Revert-glusterfsd-cleanup-Protect-graph-object-under.patch')
-rw-r--r-- | 0243-Revert-glusterfsd-cleanup-Protect-graph-object-under.patch | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/0243-Revert-glusterfsd-cleanup-Protect-graph-object-under.patch b/0243-Revert-glusterfsd-cleanup-Protect-graph-object-under.patch new file mode 100644 index 0000000..9e918d7 --- /dev/null +++ b/0243-Revert-glusterfsd-cleanup-Protect-graph-object-under.patch @@ -0,0 +1,154 @@ +From 4d65506ddfa0245dcaa13b14ca13b2ea762df37d Mon Sep 17 00:00:00 2001 +From: Mohammed Rafi KC <rkavunga@redhat.com> +Date: Thu, 11 Jul 2019 12:48:51 +0530 +Subject: [PATCH 243/255] Revert "glusterfsd/cleanup: Protect graph object + under a lock" + +This reverts commit 11b64d494c52004002f900888694d20ef8af6df6. + +BUG: 1471742 +Change-Id: I2717207d87ad213722de33c24e451502ed4aff48 +Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com> +Reviewed-on: https://code.engineering.redhat.com/gerrit/175952 +Tested-by: RHGS Build Bot <nigelb@redhat.com> +Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com> +--- + libglusterfs/src/graph.c | 58 ++++++++++--------------- + libglusterfs/src/statedump.c | 16 ++----- + tests/bugs/glusterd/optimized-basic-testcases.t | 4 +- + 3 files changed, 28 insertions(+), 50 deletions(-) + +diff --git a/libglusterfs/src/graph.c b/libglusterfs/src/graph.c +index 18fb2d9..4c8b02d 100644 +--- a/libglusterfs/src/graph.c ++++ b/libglusterfs/src/graph.c +@@ -1392,12 +1392,8 @@ glusterfs_graph_cleanup(void *arg) + } + pthread_mutex_unlock(&ctx->notify_lock); + +- pthread_mutex_lock(&ctx->cleanup_lock); +- { +- glusterfs_graph_fini(graph); +- glusterfs_graph_destroy(graph); +- } +- pthread_mutex_unlock(&ctx->cleanup_lock); ++ glusterfs_graph_fini(graph); ++ glusterfs_graph_destroy(graph); + out: + return NULL; + } +@@ -1472,37 +1468,31 @@ glusterfs_process_svc_detach(glusterfs_ctx_t *ctx, gf_volfile_t *volfile_obj) + + if (!ctx || !ctx->active || !volfile_obj) + goto out; ++ parent_graph = ctx->active; ++ graph = volfile_obj->graph; ++ if (!graph) ++ goto out; ++ if (graph->first) ++ xl = graph->first; + +- pthread_mutex_lock(&ctx->cleanup_lock); +- { +- parent_graph = ctx->active; +- graph = volfile_obj->graph; +- if (!graph) +- goto unlock; +- if (graph->first) +- xl = graph->first; +- +- last_xl = graph->last_xl; +- if (last_xl) +- last_xl->next = NULL; +- if (!xl || xl->cleanup_starting) +- goto unlock; ++ last_xl = graph->last_xl; ++ if (last_xl) ++ last_xl->next = NULL; ++ if (!xl || xl->cleanup_starting) ++ goto out; + +- xl->cleanup_starting = 1; +- gf_msg("mgmt", GF_LOG_INFO, 0, LG_MSG_GRAPH_DETACH_STARTED, +- "detaching child %s", volfile_obj->vol_id); ++ xl->cleanup_starting = 1; ++ gf_msg("mgmt", GF_LOG_INFO, 0, LG_MSG_GRAPH_DETACH_STARTED, ++ "detaching child %s", volfile_obj->vol_id); + +- list_del_init(&volfile_obj->volfile_list); +- glusterfs_mux_xlator_unlink(parent_graph->top, xl); +- parent_graph->last_xl = glusterfs_get_last_xlator(parent_graph); +- parent_graph->xl_count -= graph->xl_count; +- parent_graph->leaf_count -= graph->leaf_count; +- default_notify(xl, GF_EVENT_PARENT_DOWN, xl); +- parent_graph->id++; +- ret = 0; +- } +-unlock: +- pthread_mutex_unlock(&ctx->cleanup_lock); ++ list_del_init(&volfile_obj->volfile_list); ++ glusterfs_mux_xlator_unlink(parent_graph->top, xl); ++ parent_graph->last_xl = glusterfs_get_last_xlator(parent_graph); ++ parent_graph->xl_count -= graph->xl_count; ++ parent_graph->leaf_count -= graph->leaf_count; ++ default_notify(xl, GF_EVENT_PARENT_DOWN, xl); ++ parent_graph->id++; ++ ret = 0; + out: + if (!ret) { + list_del_init(&volfile_obj->volfile_list); +diff --git a/libglusterfs/src/statedump.c b/libglusterfs/src/statedump.c +index 0d58f8f..0cf80c0 100644 +--- a/libglusterfs/src/statedump.c ++++ b/libglusterfs/src/statedump.c +@@ -805,17 +805,11 @@ gf_proc_dump_info(int signum, glusterfs_ctx_t *ctx) + int brick_count = 0; + int len = 0; + ++ gf_proc_dump_lock(); ++ + if (!ctx) + goto out; + +- /* +- * Multiplexed daemons can change the active graph when attach/detach +- * is called. So this has to be protected with the cleanup lock. +- */ +- if (mgmt_is_multiplexed_daemon(ctx->cmd_args.process_name)) +- pthread_mutex_lock(&ctx->cleanup_lock); +- gf_proc_dump_lock(); +- + if (!mgmt_is_multiplexed_daemon(ctx->cmd_args.process_name) && + (ctx && ctx->active)) { + top = ctx->active->first; +@@ -929,11 +923,7 @@ gf_proc_dump_info(int signum, glusterfs_ctx_t *ctx) + out: + GF_FREE(dump_options.dump_path); + dump_options.dump_path = NULL; +- if (ctx) { +- gf_proc_dump_unlock(); +- if (mgmt_is_multiplexed_daemon(ctx->cmd_args.process_name)) +- pthread_mutex_unlock(&ctx->cleanup_lock); +- } ++ gf_proc_dump_unlock(); + + return; + } +diff --git a/tests/bugs/glusterd/optimized-basic-testcases.t b/tests/bugs/glusterd/optimized-basic-testcases.t +index 110f1b9..d700b5e 100644 +--- a/tests/bugs/glusterd/optimized-basic-testcases.t ++++ b/tests/bugs/glusterd/optimized-basic-testcases.t +@@ -289,9 +289,7 @@ mkdir -p /xyz/var/lib/glusterd/abc + TEST $CLI volume create "test" $H0:/xyz/var/lib/glusterd/abc + EXPECT 'Created' volinfo_field "test" 'Status'; + +-#While taking a statedump, there is a TRY_LOCK on call_frame, which might may cause +-#failure. So Adding a EXPECT_WITHIN +-EXPECT_WITHIN $PROCESS_UP_TIMEOUT "^1$" generate_statedump_and_check_for_glusterd_info ++EXPECT "1" generate_statedump_and_check_for_glusterd_info + + cleanup_statedump `pidof glusterd` + cleanup +-- +1.8.3.1 + |