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authorRajesh Amaravathi <rajesh@redhat.com>2012-05-23 14:08:37 +0530
committerAnand Avati <avati@redhat.com>2012-05-28 19:46:52 -0700
commit0418b0861230072f5a7b59fd54536db1b4a20843 (patch)
tree534faee120e795ec77413d5856b732b1bcdf4396 /xlators/nfs/server/src/nlm4.c
parent28afac7af6989953e53b35ed7fbb944a45f691a4 (diff)
nfs/nlm: statedump of locks
This change allows statedump of nlm locks giving number of clients, number of locks each client holds and the files on which lock(s) is/are held. Change-Id: I6341c12ec58005ef71b93b316b527e610ff7ee8f BUG: 824804 Signed-off-by: Rajesh Amaravathi <rajesh@redhat.com> Reviewed-on: http://review.gluster.com/3432 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/nfs/server/src/nlm4.c')
-rw-r--r--xlators/nfs/server/src/nlm4.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/xlators/nfs/server/src/nlm4.c b/xlators/nfs/server/src/nlm4.c
index 4755db1..5acc1b8 100644
--- a/xlators/nfs/server/src/nlm4.c
+++ b/xlators/nfs/server/src/nlm4.c
@@ -48,6 +48,7 @@
#include <rpc/pmap_clnt.h>
#include <rpc/rpc.h>
#include <rpc/xdr.h>
+#include <statedump.h>
/* TODO:
* 1) 2 opens racing .. creating an fd leak.
@@ -2437,3 +2438,44 @@ nlm4svc_init(xlator_t *nfsx)
err:
return NULL;
}
+
+int32_t
+nlm_priv (xlator_t *this)
+{
+ int32_t ret = -1;
+ uint32_t client_count = 0;
+ uint64_t file_count = 0;
+ nlm_client_t *client = NULL;
+ nlm_fde_t *fde = NULL;
+ char key[GF_DUMP_MAX_BUF_LEN] = {0};
+ char gfid_str[64] = {0};
+
+ gf_proc_dump_add_section("nfs.nlm");
+
+ LOCK (&nlm_client_list_lk);
+
+ list_for_each_entry (client, &nlm_client_list, nlm_clients) {
+
+ gf_proc_dump_build_key (key, "client", "%d.hostname", client_count);
+ gf_proc_dump_write (key, "%s\n", client->caller_name);
+
+ file_count = 0;
+ list_for_each_entry (fde, &client->fdes, fde_list) {
+ gf_proc_dump_build_key (key, "file", "%ld.gfid", file_count);
+ memset (gfid_str, 0, 64);
+ uuid_utoa_r (fde->fd->inode->gfid, gfid_str);
+ gf_proc_dump_write (key, "%s", gfid_str);
+ file_count++;
+ }
+
+ gf_proc_dump_build_key (key, "client", "files-locked");
+ gf_proc_dump_write (key, "%ld\n", file_count);
+ client_count++;
+ }
+
+ gf_proc_dump_build_key (key, "nlm", "client-count");
+ gf_proc_dump_write (key, "%d", client_count);
+
+ UNLOCK (&nlm_client_list_lk);
+ return ret;
+}