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-rw-r--r--xlators/mgmt/glusterd/src/glusterd-quota.c839
1 files changed, 839 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-quota.c b/xlators/mgmt/glusterd/src/glusterd-quota.c
new file mode 100644
index 000000000..318267199
--- /dev/null
+++ b/xlators/mgmt/glusterd/src/glusterd-quota.c
@@ -0,0 +1,839 @@
+/*
+ Copyright (c) 2011-2012 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+
+#include "common-utils.h"
+#include "cli1-xdr.h"
+#include "xdr-generic.h"
+#include "glusterd.h"
+#include "glusterd-op-sm.h"
+#include "glusterd-store.h"
+#include "glusterd-utils.h"
+#include "glusterd-volgen.h"
+#include "run.h"
+
+#include <sys/wait.h>
+
+int
+__glusterd_handle_quota (rpcsvc_request_t *req)
+{
+ int32_t ret = -1;
+ gf_cli_req cli_req = {{0,}};
+ dict_t *dict = NULL;
+ glusterd_op_t cli_op = GD_OP_QUOTA;
+ char operation[256] = {0, };
+ char *volname = NULL;
+ int32_t type = 0;
+ char msg[2048] = {0,};
+ xlator_t *this = NULL;
+
+ GF_ASSERT (req);
+ this = THIS;
+ GF_ASSERT (this);
+
+ ret = xdr_to_generic (req->msg[0], &cli_req, (xdrproc_t)xdr_gf_cli_req);
+ if (ret < 0) {
+ //failed to decode msg;
+ req->rpc_err = GARBAGE_ARGS;
+ goto out;
+ }
+
+ if (cli_req.dict.dict_len) {
+ /* Unserialize the dictionary */
+ dict = dict_new ();
+
+ ret = dict_unserialize (cli_req.dict.dict_val,
+ cli_req.dict.dict_len,
+ &dict);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR, "failed to "
+ "unserialize req-buffer to dictionary");
+ snprintf (msg, sizeof (msg), "Unable to decode the "
+ "command");
+ goto out;
+ } else {
+ dict->extra_stdfree = cli_req.dict.dict_val;
+ }
+ }
+
+ ret = dict_get_str (dict, "volname", &volname);
+ if (ret) {
+ snprintf (msg, sizeof (msg), "Unable to get volume name");
+ gf_log (this->name, GF_LOG_ERROR, "Unable to get volume name, "
+ "while handling quota command");
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, "type", &type);
+ if (ret) {
+ snprintf (msg, sizeof (msg), "Unable to get type of command");
+ gf_log (this->name, GF_LOG_ERROR, "Unable to get type of cmd, "
+ "while handling quota command");
+ goto out;
+ }
+
+ switch (type) {
+ case GF_QUOTA_OPTION_TYPE_ENABLE:
+ strncpy (operation, "enable", sizeof (operation));
+ break;
+
+ case GF_QUOTA_OPTION_TYPE_DISABLE:
+ strncpy (operation, "disable", sizeof (operation));
+ break;
+
+ case GF_QUOTA_OPTION_TYPE_LIMIT_USAGE:
+ strncpy (operation, "limit-usage", sizeof (operation));
+ break;
+
+ case GF_QUOTA_OPTION_TYPE_REMOVE:
+ strncpy (operation, "remove", sizeof (operation));
+ break;
+ }
+ ret = glusterd_op_begin_synctask (req, GD_OP_QUOTA, dict);
+
+out:
+ if (ret) {
+ if (msg[0] == '\0')
+ snprintf (msg, sizeof (msg), "Operation failed");
+ ret = glusterd_op_send_cli_response (cli_op, ret, 0, req,
+ dict, msg);
+ }
+
+ return ret;
+}
+
+int
+glusterd_handle_quota (rpcsvc_request_t *req)
+{
+ return glusterd_big_locked_handler (req, __glusterd_handle_quota);
+}
+
+int32_t
+glusterd_check_if_quota_trans_enabled (glusterd_volinfo_t *volinfo)
+{
+ int32_t ret = 0;
+ int flag = _gf_false;
+
+ flag = glusterd_volinfo_get_boolean (volinfo, VKEY_FEATURES_QUOTA);
+ if (flag == -1) {
+ gf_log ("", GF_LOG_ERROR, "failed to get the quota status");
+ ret = -1;
+ goto out;
+ }
+
+ if (flag == _gf_false) {
+ gf_log ("", GF_LOG_ERROR, "first enable the quota translator");
+ ret = -1;
+ goto out;
+ }
+ ret = 0;
+out:
+ return ret;
+}
+
+/* At the end of the function, the variable found will be set
+ * to true if the path to be removed was present in the limit-list,
+ * else will be false.
+ */
+int32_t
+_glusterd_quota_remove_limits (char **quota_limits, char *path,
+ gf_boolean_t *found)
+{
+ int ret = 0;
+ int i = 0;
+ int size = 0;
+ int len = 0;
+ int pathlen = 0;
+ int skiplen = 0;
+ int flag = 0;
+ char *limits = NULL;
+ char *qlimits = NULL;
+
+ if (found != NULL)
+ *found = _gf_false;
+
+ if (*quota_limits == NULL)
+ return -1;
+
+ qlimits = *quota_limits;
+
+ pathlen = strlen (path);
+
+ len = strlen (qlimits);
+
+ limits = GF_CALLOC (len + 1, sizeof (char), gf_gld_mt_char);
+ if (!limits)
+ return -1;
+
+ while (i < len) {
+ if (!memcmp ((void *) &qlimits [i], (void *)path, pathlen))
+ if (qlimits [i + pathlen] == ':') {
+ flag = 1;
+ if (found != NULL)
+ *found = _gf_true;
+ }
+
+ while (qlimits [i + size] != ',' &&
+ qlimits [i + size] != '\0')
+ size++;
+
+ if (!flag) {
+ memcpy ((void *) &limits [i], (void *) &qlimits [i], size + 1);
+ } else {
+ skiplen = size + 1;
+ size = len - i - size;
+ memcpy ((void *) &limits [i], (void *) &qlimits [i + skiplen], size);
+ break;
+ }
+
+ i += size + 1;
+ size = 0;
+ }
+
+ if (!flag) {
+ ret = 1;
+ } else {
+ len = strlen (limits);
+
+ if (len == 0) {
+ GF_FREE (qlimits);
+
+ *quota_limits = NULL;
+
+ goto out;
+ }
+
+ if (limits[len - 1] == ',') {
+ limits[len - 1] = '\0';
+ len --;
+ }
+
+ GF_FREE (qlimits);
+
+ qlimits = GF_CALLOC (len + 1, sizeof (char), gf_gld_mt_char);
+
+ if (!qlimits) {
+ ret = -1;
+ goto out;
+ }
+
+ memcpy ((void *) qlimits, (void *) limits, len + 1);
+
+ *quota_limits = qlimits;
+
+ ret = 0;
+ }
+
+out:
+ GF_FREE (limits);
+
+ return ret;
+}
+
+int32_t
+glusterd_quota_initiate_fs_crawl (glusterd_conf_t *priv, char *volname)
+{
+ pid_t pid;
+ int32_t ret = 0;
+ int status = 0;
+ char mountdir[] = "/tmp/mntXXXXXX";
+ runner_t runner = {0};
+
+ if (mkdtemp (mountdir) == NULL) {
+ gf_log ("glusterd", GF_LOG_DEBUG,
+ "failed to create a temporary mount directory");
+ ret = -1;
+ goto out;
+ }
+
+ runinit (&runner);
+ runner_add_args (&runner, SBIN_DIR"/glusterfs",
+ "-s", "localhost",
+ "--volfile-id", volname,
+ "-l", DEFAULT_LOG_FILE_DIRECTORY"/quota-crawl.log",
+ mountdir, NULL);
+
+ synclock_unlock (&priv->big_lock);
+ ret = runner_run_reuse (&runner);
+ synclock_lock (&priv->big_lock);
+ if (ret == -1) {
+ runner_log (&runner, "glusterd", GF_LOG_DEBUG, "command failed");
+ runner_end (&runner);
+ goto out;
+ }
+ runner_end (&runner);
+
+ if ((pid = fork ()) < 0) {
+ gf_log ("glusterd", GF_LOG_WARNING, "fork from parent failed");
+ ret = -1;
+ goto out;
+ } else if (pid == 0) {//first child
+ /* fork one more to not hold back main process on
+ * blocking call below
+ */
+ pid = fork ();
+ if (pid)
+ _exit (pid > 0 ? EXIT_SUCCESS : EXIT_FAILURE);
+
+ ret = chdir (mountdir);
+ if (ret == -1) {
+ gf_log ("glusterd", GF_LOG_WARNING, "chdir %s failed, "
+ "reason: %s", mountdir, strerror (errno));
+ exit (EXIT_FAILURE);
+ }
+ runinit (&runner);
+ runner_add_args (&runner, "/usr/bin/find", "find", ".", NULL);
+ if (runner_start (&runner) == -1)
+ _exit (EXIT_FAILURE);
+
+#ifndef GF_LINUX_HOST_OS
+ runner_end (&runner); /* blocks in waitpid */
+ runcmd ("umount", mountdir, NULL);
+#else
+ runcmd ("umount", "-l", mountdir, NULL);
+#endif
+ rmdir (mountdir);
+ _exit (EXIT_SUCCESS);
+ }
+ ret = (waitpid (pid, &status, 0) == pid &&
+ WIFEXITED (status) && WEXITSTATUS (status) == EXIT_SUCCESS) ? 0 : -1;
+
+out:
+ return ret;
+}
+
+char *
+glusterd_quota_get_limit_value (char *quota_limits, char *path)
+{
+ int32_t i, j, k, l, len;
+ int32_t pat_len, diff;
+ char *ret_str = NULL;
+
+ len = strlen (quota_limits);
+ pat_len = strlen (path);
+ i = 0;
+ j = 0;
+
+ while (i < len) {
+ j = i;
+ k = 0;
+ while (path [k] == quota_limits [j]) {
+ j++;
+ k++;
+ }
+
+ l = j;
+
+ while (quota_limits [j] != ',' &&
+ quota_limits [j] != '\0')
+ j++;
+
+ if (quota_limits [l] == ':' && pat_len == (l - i)) {
+ diff = j - i;
+ ret_str = GF_CALLOC (diff + 1, sizeof (char),
+ gf_gld_mt_char);
+
+ strncpy (ret_str, &quota_limits [i], diff);
+
+ break;
+ }
+ i = ++j; //skip ','
+ }
+
+ return ret_str;
+}
+
+char*
+_glusterd_quota_get_limit_usages (glusterd_volinfo_t *volinfo,
+ char *path, char **op_errstr)
+{
+ int32_t ret = 0;
+ char *quota_limits = NULL;
+ char *ret_str = NULL;
+
+ if (volinfo == NULL)
+ return NULL;
+
+ ret = glusterd_volinfo_get (volinfo, VKEY_FEATURES_LIMIT_USAGE,
+ &quota_limits);
+ if (ret)
+ return NULL;
+ if (quota_limits == NULL) {
+ ret_str = NULL;
+ *op_errstr = gf_strdup ("Limit not set on any directory");
+ } else if (path == NULL)
+ ret_str = gf_strdup (quota_limits);
+ else
+ ret_str = glusterd_quota_get_limit_value (quota_limits, path);
+
+ return ret_str;
+}
+
+int32_t
+glusterd_quota_get_limit_usages (glusterd_conf_t *priv,
+ glusterd_volinfo_t *volinfo,
+ char *volname,
+ dict_t *dict,
+ char **op_errstr,
+ dict_t *rsp_dict)
+{
+ int32_t i = 0;
+ int32_t ret = 0;
+ int32_t count = 0;
+ char *path = NULL;
+ char cmd_str [1024] = {0, };
+ char *ret_str = NULL;
+
+ if (rsp_dict == NULL)
+ return 0;
+
+ ret = dict_get_int32 (dict, "count", &count);
+ if (ret < 0)
+ goto out;
+
+ if (count == 0) {
+ ret_str = _glusterd_quota_get_limit_usages (volinfo, NULL,
+ op_errstr);
+ } else {
+ i = 0;
+ while (count--) {
+ snprintf (cmd_str, 1024, "path%d", i++);
+
+ ret = dict_get_str (dict, cmd_str, &path);
+ if (ret < 0)
+ goto out;
+
+ ret_str = _glusterd_quota_get_limit_usages (volinfo, path, op_errstr);
+ }
+ }
+
+ if (ret_str) {
+ ret = dict_set_dynstr (rsp_dict, "limit_list", ret_str);
+ }
+out:
+ return ret;
+}
+
+int32_t
+glusterd_quota_enable (glusterd_volinfo_t *volinfo, char **op_errstr,
+ gf_boolean_t *crawl)
+{
+ int32_t ret = -1;
+ char *quota_status = NULL;
+
+ GF_VALIDATE_OR_GOTO ("glusterd", volinfo, out);
+ GF_VALIDATE_OR_GOTO ("glusterd", crawl, out);
+ GF_VALIDATE_OR_GOTO ("glusterd", op_errstr, out);
+
+ if (glusterd_is_volume_started (volinfo) == 0) {
+ *op_errstr = gf_strdup ("Volume is stopped, start volume "
+ "to enable quota.");
+ goto out;
+ }
+
+ ret = glusterd_check_if_quota_trans_enabled (volinfo);
+ if (ret == 0) {
+ *op_errstr = gf_strdup ("Quota is already enabled");
+ goto out;
+ }
+
+ quota_status = gf_strdup ("on");
+ if (!quota_status) {
+ gf_log ("", GF_LOG_ERROR, "memory allocation failed");
+ *op_errstr = gf_strdup ("Enabling quota has been unsuccessful");
+ goto out;
+ }
+
+ ret = dict_set_dynstr (volinfo->dict, VKEY_FEATURES_QUOTA, quota_status);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "dict set failed");
+ *op_errstr = gf_strdup ("Enabling quota has been unsuccessful");
+ goto out;
+ }
+
+ *op_errstr = gf_strdup ("Enabling quota has been successful");
+
+ *crawl = _gf_true;
+
+ ret = 0;
+out:
+ return ret;
+}
+
+int32_t
+glusterd_quota_disable (glusterd_volinfo_t *volinfo, char **op_errstr)
+{
+ int32_t ret = -1;
+ char *quota_status = NULL, *quota_limits = NULL;
+
+ GF_VALIDATE_OR_GOTO ("glusterd", volinfo, out);
+ GF_VALIDATE_OR_GOTO ("glusterd", op_errstr, out);
+
+ ret = glusterd_check_if_quota_trans_enabled (volinfo);
+ if (ret == -1) {
+ *op_errstr = gf_strdup ("Quota is already disabled");
+ goto out;
+ }
+
+ quota_status = gf_strdup ("off");
+ if (!quota_status) {
+ gf_log ("", GF_LOG_ERROR, "memory allocation failed");
+ *op_errstr = gf_strdup ("Disabling quota has been unsuccessful");
+ goto out;
+ }
+
+ ret = dict_set_dynstr (volinfo->dict, VKEY_FEATURES_QUOTA, quota_status);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "dict set failed");
+ *op_errstr = gf_strdup ("Disabling quota has been unsuccessful");
+ goto out;
+ }
+
+ *op_errstr = gf_strdup ("Disabling quota has been successful");
+
+ ret = glusterd_volinfo_get (volinfo, VKEY_FEATURES_LIMIT_USAGE,
+ &quota_limits);
+ if (ret) {
+ gf_log ("", GF_LOG_WARNING, "failed to get the quota limits");
+ } else {
+ GF_FREE (quota_limits);
+ }
+
+ dict_del (volinfo->dict, VKEY_FEATURES_LIMIT_USAGE);
+
+out:
+ return ret;
+}
+
+int32_t
+glusterd_quota_limit_usage (glusterd_volinfo_t *volinfo, dict_t *dict, char **op_errstr)
+{
+ int32_t ret = -1;
+ char *path = NULL;
+ char *limit = NULL;
+ char *value = NULL;
+ char msg [1024] = {0,};
+ char *quota_limits = NULL;
+
+ GF_VALIDATE_OR_GOTO ("glusterd", dict, out);
+ GF_VALIDATE_OR_GOTO ("glusterd", volinfo, out);
+ GF_VALIDATE_OR_GOTO ("glusterd", op_errstr, out);
+
+ ret = glusterd_check_if_quota_trans_enabled (volinfo);
+ if (ret == -1) {
+ *op_errstr = gf_strdup ("Quota is disabled, please enable "
+ "quota");
+ goto out;
+ }
+
+ ret = glusterd_volinfo_get (volinfo, VKEY_FEATURES_LIMIT_USAGE,
+ &quota_limits);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "failed to get the quota limits");
+ *op_errstr = gf_strdup ("failed to set limit");
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "path", &path);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to fetch quota limits" );
+ *op_errstr = gf_strdup ("failed to set limit");
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "limit", &limit);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to fetch quota limits" );
+ *op_errstr = gf_strdup ("failed to set limit");
+ goto out;
+ }
+
+ if (quota_limits) {
+ ret = _glusterd_quota_remove_limits (&quota_limits, path, NULL);
+ if (ret == -1) {
+ gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
+ *op_errstr = gf_strdup ("failed to set limit");
+ goto out;
+ }
+ }
+
+ if (quota_limits == NULL) {
+ ret = gf_asprintf (&value, "%s:%s", path, limit);
+ if (ret == -1) {
+ gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
+ *op_errstr = gf_strdup ("failed to set limit");
+ goto out;
+ }
+ } else {
+ ret = gf_asprintf (&value, "%s,%s:%s",
+ quota_limits, path, limit);
+ if (ret == -1) {
+ gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
+ *op_errstr = gf_strdup ("failed to set limit");
+ goto out;
+ }
+
+ GF_FREE (quota_limits);
+ }
+
+ quota_limits = value;
+
+ ret = dict_set_str (volinfo->dict, VKEY_FEATURES_LIMIT_USAGE,
+ quota_limits);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to set quota limits" );
+ *op_errstr = gf_strdup ("failed to set limit");
+ goto out;
+ }
+ snprintf (msg, 1024, "limit set on %s", path);
+ *op_errstr = gf_strdup (msg);
+
+ ret = 0;
+out:
+ return ret;
+}
+
+int32_t
+glusterd_quota_remove_limits (glusterd_volinfo_t *volinfo, dict_t *dict, char **op_errstr)
+{
+ int32_t ret = -1;
+ char str [PATH_MAX + 1024] = {0,};
+ char *quota_limits = NULL;
+ char *path = NULL;
+ gf_boolean_t flag = _gf_false;
+
+ GF_VALIDATE_OR_GOTO ("glusterd", dict, out);
+ GF_VALIDATE_OR_GOTO ("glusterd", volinfo, out);
+ GF_VALIDATE_OR_GOTO ("glusterd", op_errstr, out);
+
+ ret = glusterd_check_if_quota_trans_enabled (volinfo);
+ if (ret == -1) {
+ *op_errstr = gf_strdup ("Quota is disabled, please enable quota");
+ goto out;
+ }
+
+ ret = glusterd_volinfo_get (volinfo, VKEY_FEATURES_LIMIT_USAGE,
+ &quota_limits);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "failed to get the quota limits");
+ goto out;
+ }
+
+ ret = dict_get_str (dict, "path", &path);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to fetch quota limits" );
+ goto out;
+ }
+
+ ret = _glusterd_quota_remove_limits (&quota_limits, path, &flag);
+ if (ret == -1) {
+ if (flag == _gf_true)
+ snprintf (str, sizeof (str), "Removing limit on %s has "
+ "been unsuccessful", path);
+ else
+ snprintf (str, sizeof (str), "%s has no limit set", path);
+ *op_errstr = gf_strdup (str);
+ goto out;
+ } else {
+ if (flag == _gf_true)
+ snprintf (str, sizeof (str), "Removed quota limit on "
+ "%s", path);
+ else
+ snprintf (str, sizeof (str), "no limit set on %s",
+ path);
+ *op_errstr = gf_strdup (str);
+ }
+
+ if (quota_limits) {
+ ret = dict_set_str (volinfo->dict, VKEY_FEATURES_LIMIT_USAGE,
+ quota_limits);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to set quota limits" );
+ goto out;
+ }
+ } else {
+ dict_del (volinfo->dict, VKEY_FEATURES_LIMIT_USAGE);
+ }
+
+ ret = 0;
+
+out:
+ return ret;
+}
+
+
+int
+glusterd_op_quota (dict_t *dict, char **op_errstr, dict_t *rsp_dict)
+{
+ glusterd_volinfo_t *volinfo = NULL;
+ int32_t ret = -1;
+ char *volname = NULL;
+ int type = -1;
+ gf_boolean_t start_crawl = _gf_false;
+ glusterd_conf_t *priv = NULL;
+
+ GF_ASSERT (dict);
+ GF_ASSERT (op_errstr);
+
+ priv = THIS->private;
+
+ ret = dict_get_str (dict, "volname", &volname);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to get volume name " );
+ goto out;
+ }
+
+ ret = glusterd_volinfo_find (volname, &volinfo);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to allocate memory");
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, "type", &type);
+
+ if (type == GF_QUOTA_OPTION_TYPE_ENABLE) {
+ ret = glusterd_quota_enable (volinfo, op_errstr, &start_crawl);
+ if (ret < 0)
+ goto out;
+
+ goto create_vol;
+ }
+
+ if (type == GF_QUOTA_OPTION_TYPE_DISABLE) {
+ ret = glusterd_quota_disable (volinfo, op_errstr);
+ if (ret < 0)
+ goto out;
+
+ goto create_vol;
+ }
+
+ if (type == GF_QUOTA_OPTION_TYPE_LIMIT_USAGE) {
+ ret = glusterd_quota_limit_usage (volinfo, dict, op_errstr);
+ if (ret < 0)
+ goto out;
+
+ goto create_vol;
+ }
+
+ if (type == GF_QUOTA_OPTION_TYPE_REMOVE) {
+ ret = glusterd_quota_remove_limits (volinfo, dict, op_errstr);
+ if (ret < 0)
+ goto out;
+
+ goto create_vol;
+ }
+
+ if (type == GF_QUOTA_OPTION_TYPE_LIST) {
+ ret = glusterd_check_if_quota_trans_enabled (volinfo);
+ if (ret == -1) {
+ *op_errstr = gf_strdup ("cannot list the limits, "
+ "quota is disabled");
+ goto out;
+ }
+
+ ret = glusterd_quota_get_limit_usages (priv, volinfo, volname,
+ dict, op_errstr, rsp_dict);
+
+ goto out;
+ }
+create_vol:
+ ret = glusterd_create_volfiles_and_notify_services (volinfo);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to re-create volfile for"
+ " 'quota'");
+ ret = -1;
+ goto out;
+ }
+
+ ret = glusterd_store_volinfo (volinfo, GLUSTERD_VOLINFO_VER_AC_INCREMENT);
+ if (ret)
+ goto out;
+
+ if (GLUSTERD_STATUS_STARTED == volinfo->status)
+ ret = glusterd_check_generate_start_nfs ();
+
+ ret = 0;
+
+out:
+ if (rsp_dict && start_crawl == _gf_true)
+ glusterd_quota_initiate_fs_crawl (priv, volname);
+
+ if (rsp_dict && *op_errstr) {
+ ret = dict_set_dynstr (rsp_dict, "errstr", *op_errstr);
+ if (ret) {
+ GF_FREE (*op_errstr);
+ gf_log ("", GF_LOG_DEBUG,
+ "failed to set error message in ctx");
+ }
+ *op_errstr = NULL;
+ }
+
+ return ret;
+}
+
+int
+glusterd_op_stage_quota (dict_t *dict, char **op_errstr)
+{
+ int ret = 0;
+ char *volname = NULL;
+ gf_boolean_t exists = _gf_false;
+ int type = 0;
+ dict_t *ctx = NULL;
+
+ GF_ASSERT (dict);
+ GF_ASSERT (op_errstr);
+
+ ret = dict_get_str (dict, "volname", &volname);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to get volume name");
+ goto out;
+ }
+
+ exists = glusterd_check_volume_exists (volname);
+ if (!exists) {
+ gf_log ("", GF_LOG_ERROR, "Volume with name: %s "
+ "does not exist",
+ volname);
+ *op_errstr = gf_strdup ("Invalid volume name");
+ ret = -1;
+ goto out;
+ }
+
+ ret = dict_get_int32 (dict, "type", &type);
+ if (ret) {
+ gf_log ("", GF_LOG_ERROR, "Unable to get 'type' for quota op");
+ *op_errstr = gf_strdup ("Volume quota failed, internal error "
+ ", unable to get type of operation");
+ goto out;
+ }
+
+
+ ctx = glusterd_op_get_ctx();
+ if (ctx && (type == GF_QUOTA_OPTION_TYPE_ENABLE
+ || type == GF_QUOTA_OPTION_TYPE_LIST)) {
+ /* Fuse mount req. only for enable & list-usage options*/
+ if (!glusterd_is_fuse_available ()) {
+ gf_log ("glusterd", GF_LOG_ERROR, "Unable to open /dev/"
+ "fuse (%s), quota command failed",
+ strerror (errno));
+ *op_errstr = gf_strdup ("Fuse unavailable");
+ ret = -1;
+ goto out;
+ }
+ }
+
+out:
+ gf_log ("", GF_LOG_DEBUG, "Returning %d", ret);
+
+ return ret;
+}
generated by cgit (git 2.34.1) at 2026-01-04 14:40:46 +0000