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authorPavan Sondur <pavan@gluster.com>2010-09-22 02:01:10 +0000
committerVijay Bellur <vijay@dev.gluster.com>2010-09-22 02:08:56 -0700
commite6bdd4f642d5f4d0afbe76b21fdd644c326edb0e (patch)
tree7f0d6aafe941eaba829ebbd4367fa962a543669a /xlators/mgmt/glusterd/src
parent14bd64ad53409fb093c499eca45cb23fe9f96772 (diff)
mgmt/glusterd: Enable/disable xlator options support added.
Signed-off-by: Pavan Vilas Sondur <pavan@gluster.com> Signed-off-by: Vijay Bellur <vijay@dev.gluster.com> BUG: 1670 (Volume set enable disable support) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=1670
Diffstat (limited to 'xlators/mgmt/glusterd/src')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-op-sm.c7
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-volgen.c321
2 files changed, 268 insertions, 60 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-op-sm.c b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
index 34439a6979a..233ff73e94b 100644
--- a/xlators/mgmt/glusterd/src/glusterd-op-sm.c
+++ b/xlators/mgmt/glusterd/src/glusterd-op-sm.c
@@ -1027,7 +1027,12 @@ char *set_option_list[] = {
"inode-lru-limit",
"thread-count" ,
"lookup-unhashed",
- "min-free-disk"
+ "min-free-disk",
+ "write-behind",
+ "read-ahead",
+ "io-cache",
+ "quick-read",
+ "stat-prefetch",
};
diff --git a/xlators/mgmt/glusterd/src/glusterd-volgen.c b/xlators/mgmt/glusterd/src/glusterd-volgen.c
index 28b814500d3..f40dbe13d2b 100644
--- a/xlators/mgmt/glusterd/src/glusterd-volgen.c
+++ b/xlators/mgmt/glusterd/src/glusterd-volgen.c
@@ -1559,7 +1559,7 @@ __write_statprefetch_xlator (FILE *file, dict_t *dict,
char *volname = NULL;
int ret = -1;
- const char *statprefetch_str = "volume %s\n"
+ const char *statprefetch_str = "volume %s-%s\n"
" type performance/stat-prefetch\n"
" subvolumes %s\n"
"end-volume\n\n";
@@ -1571,6 +1571,7 @@ __write_statprefetch_xlator (FILE *file, dict_t *dict,
fprintf (file, statprefetch_str,
volname,
+ "stat-prefetch",
subvolume);
ret = 0;
@@ -1679,6 +1680,249 @@ out:
}
static int
+__write_perf_xlator (char *xlator_name, FILE *file,
+ dict_t *dict, char *subvol)
+{
+ int ret = 0;
+
+ if (strcmp (xlator_name, "write-behind") == 0) {
+
+ ret = __write_wb_xlator (file, dict, subvol);
+
+ } else if (strcmp (xlator_name, "read-ahead") == 0) {
+
+ ret = __write_ra_xlator (file, dict, subvol);
+
+ } else if (strcmp (xlator_name, "io-cache") == 0) {
+
+ ret = __write_iocache_xlator (file, dict, subvol);
+
+ } else if (strcmp (xlator_name, "quick-read") == 0) {
+
+ ret = __write_qr_xlator (file, dict, subvol);
+
+ } else if (strcmp (xlator_name, "stat-prefetch") == 0) {
+
+ ret = __write_statprefetch_xlator (file, dict, subvol);
+
+ }
+
+ return ret;
+
+}
+
+static gf_boolean_t
+is_perf_xlator_enabled (char *status)
+{
+ gf_boolean_t ret = _gf_false;
+
+ if (strcmp (status, "enable") == 0)
+ ret = _gf_true;
+
+ return ret;
+}
+
+static int
+generate_perf_xlator_list (dict_t *dict, char *perf_xlator_list[])
+{
+ char *status = NULL;
+ int i = 0;
+ int dict_ret = 0;
+ int ret = 0;
+
+ GF_ASSERT (dict);
+
+ dict_ret = dict_get_str (dict, "write-behind", &status);
+ if (dict_ret || is_perf_xlator_enabled (status)) {
+ gf_log ("", GF_LOG_DEBUG,
+ "Write behind is enabled");
+ perf_xlator_list[i] = gf_strdup ("write-behind");
+ if (!perf_xlator_list[i]) {
+ gf_log ("", GF_LOG_ERROR,
+ "Out of memory");
+ ret = -1;
+ goto out;
+ }
+
+ i++;
+
+ } else {
+ gf_log ("", GF_LOG_DEBUG,
+ "write-behind option is disabled");
+ }
+
+
+ dict_ret = dict_get_str (dict, "read-ahead", &status);
+ if (dict_ret || is_perf_xlator_enabled (status)) {
+ gf_log ("", GF_LOG_DEBUG,
+ "read-ahead is enabled");
+ perf_xlator_list[i] = gf_strdup ("read-ahead");
+ if (!perf_xlator_list[i]) {
+ gf_log ("", GF_LOG_ERROR,
+ "Out of memory");
+ ret = -1;
+ goto out;
+ }
+
+ i++;
+
+ } else {
+ gf_log ("", GF_LOG_DEBUG,
+ "read-ahead option is disabled");
+ }
+
+ dict_ret = dict_get_str (dict, "io-cache", &status);
+ if (dict_ret || is_perf_xlator_enabled (status)) {
+ gf_log ("", GF_LOG_DEBUG,
+ "io-cache is enabled");
+ perf_xlator_list[i] = gf_strdup ("io-cache");
+ if (!perf_xlator_list[i]) {
+ gf_log ("", GF_LOG_ERROR,
+ "Out of memory");
+ ret = -1;
+ goto out;
+ }
+
+ i++;
+
+ } else {
+ gf_log ("", GF_LOG_DEBUG,
+ "io-cache option is disabled");
+ }
+
+ dict_ret = dict_get_str (dict, "quick-read", &status);
+ if (dict_ret || is_perf_xlator_enabled (status)) {
+ gf_log ("", GF_LOG_DEBUG,
+ "quick-read is enabled");
+ perf_xlator_list[i] = gf_strdup ("quick-read");
+ if (!perf_xlator_list[i]) {
+ gf_log ("", GF_LOG_ERROR,
+ "Out of memory");
+ ret = -1;
+ goto out;
+ }
+
+ i++;
+
+ } else {
+ gf_log ("", GF_LOG_DEBUG,
+ "quick-read option is disabled");
+ }
+
+ dict_ret = dict_get_str (dict, "stat-prefetch", &status);
+ if (dict_ret || is_perf_xlator_enabled (status)) {
+ gf_log ("", GF_LOG_DEBUG,
+ "stat-prefetch is enabled");
+ perf_xlator_list[i] = gf_strdup ("stat-prefetch");
+ if (!perf_xlator_list[i]) {
+ gf_log ("", GF_LOG_ERROR,
+ "Out of memory");
+ ret = -1;
+ goto out;
+ }
+
+ i++;
+
+ } else {
+ gf_log ("", GF_LOG_DEBUG,
+ "stat-prefetch option is disabled");
+ }
+
+out:
+ return ret;
+
+}
+
+static int
+destroy_perf_xlator_list (char *perf_xlator_list[])
+{
+ int i = 0;
+
+ while (perf_xlator_list[i]) {
+ GF_FREE (perf_xlator_list[i]);
+ i++;
+ }
+
+ return 0;
+}
+
+static int
+write_perf_xlators (glusterd_volinfo_t *volinfo, FILE *file,
+ int32_t dist_count, int32_t replicate_count,
+ int32_t stripe_count)
+{
+ char *perf_xlator_list[256] = {0,};
+ char subvol[2048] = {0,};
+ int i = 0;
+ int ret = 0;
+ char *volname = NULL;
+ dict_t *dict = NULL;
+
+ dict = volinfo->dict;
+ volname = volinfo->volname;
+
+ ret = generate_perf_xlator_list (
+ dict, perf_xlator_list);
+ if (ret) {
+ gf_log ("", GF_LOG_DEBUG,
+ "Could not generate perf xlator list");
+ goto out;
+ }
+
+ if (dist_count > 1) {
+ VOLGEN_GENERATE_VOLNAME (subvol, volname, "dht");
+ ret = __write_perf_xlator (perf_xlator_list[i], file,
+ dict, subvol);
+ i++;
+ }
+ else if (replicate_count > 1) {
+ VOLGEN_GENERATE_VOLNAME (subvol, volname, "replicate-0");
+ ret = __write_perf_xlator (perf_xlator_list[i], file,
+ dict, subvol);
+ i++;
+
+ }
+ else if (stripe_count > 1) {
+ VOLGEN_GENERATE_VOLNAME (subvol, volname, "stripe-0");
+ ret = __write_perf_xlator (perf_xlator_list[i], file,
+ dict, subvol);
+ i++;
+
+ }
+ else {
+ VOLGEN_GENERATE_VOLNAME (subvol, volname, "client-0");
+ ret = __write_perf_xlator (perf_xlator_list[i], file,
+ dict, subvol);
+ i++;
+
+ }
+ if (ret) {
+ gf_log ("", GF_LOG_DEBUG,
+ "Could not write xlator");
+ goto out;
+ }
+
+ while (perf_xlator_list[i]) {
+ VOLGEN_GENERATE_VOLNAME (subvol, volname, perf_xlator_list[i-1]);
+ ret = __write_perf_xlator (perf_xlator_list[i], file,
+ dict, subvol);
+ i++;
+
+ if (ret) {
+ gf_log ("", GF_LOG_DEBUG,
+ "Could not write xlator");
+ goto out;
+ }
+ }
+
+
+out:
+ destroy_perf_xlator_list (perf_xlator_list);
+ return ret;
+
+}
+
+static int
generate_client_volfile (glusterd_volinfo_t *volinfo, char *filename)
{
FILE *file = NULL;
@@ -1841,60 +2085,8 @@ generate_client_volfile (glusterd_volinfo_t *volinfo, char *filename)
}
- if (dist_count > 1) {
- VOLGEN_GENERATE_VOLNAME (subvol, volname, "dht");
- ret = __write_wb_xlator (file, dict, subvol);
- }
- else if (replicate_count > 1) {
- VOLGEN_GENERATE_VOLNAME (subvol, volname, "replicate-0");
- ret = __write_wb_xlator (file, dict, subvol);
- }
- else if (stripe_count > 1) {
- VOLGEN_GENERATE_VOLNAME (subvol, volname, "stripe-0");
- ret = __write_wb_xlator (file, dict, subvol);
- }
- else {
- VOLGEN_GENERATE_VOLNAME (subvol, volname, "client-0");
- ret = __write_wb_xlator (file, dict, subvol);
- }
- if (ret) {
- gf_log ("", GF_LOG_DEBUG,
- "Could not write xlator");
- goto out;
- }
-
-
- VOLGEN_GENERATE_VOLNAME (subvol, volname, "write-behind");
- ret = __write_ra_xlator (file, dict, subvol);
- if (ret) {
- gf_log ("", GF_LOG_DEBUG,
- "Could not write xlator");
- goto out;
- }
-
- VOLGEN_GENERATE_VOLNAME (subvol, volname, "read-ahead");
- ret = __write_iocache_xlator (file, dict, subvol);
- if (ret) {
- gf_log ("", GF_LOG_DEBUG,
- "Could not write xlator");
- goto out;
- }
-
- VOLGEN_GENERATE_VOLNAME (subvol, volname, "io-cache");
- ret = __write_qr_xlator (file, dict, subvol);
- if (ret) {
- gf_log ("", GF_LOG_DEBUG,
- "Could not write xlator");
- goto out;
- }
-
- VOLGEN_GENERATE_VOLNAME (subvol, volname, "quick-read");
- ret = __write_statprefetch_xlator (file, dict, subvol);
- if (ret) {
- gf_log ("", GF_LOG_DEBUG,
- "Could not write xlator");
- goto out;
- }
+ write_perf_xlators (volinfo, file, dist_count,
+ replicate_count, stripe_count);
fclose (file);
file = NULL;
@@ -2237,12 +2429,12 @@ out:
return ret;
}
-int
-glusterd_create_volfiles (glusterd_volinfo_t *volinfo)
+static int
+glusterd_volgen_set_transport (glusterd_volinfo_t *volinfo)
{
- int ret = -1;
+ int ret = 0;
- gf_log ("", GF_LOG_DEBUG, "Inside Create Volfiles");
+ GF_ASSERT (volinfo->dict);
if(volinfo->transport_type == GF_TRANSPORT_RDMA) {
ret = set_xlator_option (volinfo->dict, VOLGEN_CLIENT_OPTION_TRANSTYPE,
@@ -2255,6 +2447,17 @@ glusterd_create_volfiles (glusterd_volinfo_t *volinfo)
ret = set_xlator_option (volinfo->dict, VOLGEN_SERVER_OPTION_TRANSTYPE,
"tcp");
}
+
+ return 0;
+}
+
+int
+glusterd_create_volfiles (glusterd_volinfo_t *volinfo)
+{
+ int ret = -1;
+
+ glusterd_volgen_set_transport (volinfo);
+
ret = generate_brick_volfiles (volinfo);
if (ret) {
gf_log ("", GF_LOG_DEBUG,