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authorGluster Ant <bugzilla-bot@gluster.org>2018-09-12 17:52:45 +0530
committerNigel Babu <nigelb@redhat.com>2018-09-12 17:52:45 +0530
commite16868dede6455cab644805af6fe1ac312775e13 (patch)
tree15aebdb4fff2d87cf8a72f836816b3aa634da58d /xlators/cluster/dht/src/dht-diskusage.c
parent45a71c0548b6fd2c757aa2e7b7671a1411948894 (diff)
Land part 2 of clang-format changes
Change-Id: Ia84cc24c8924e6d22d02ac15f611c10e26db99b4 Signed-off-by: Nigel Babu <nigelb@redhat.com>
Diffstat (limited to 'xlators/cluster/dht/src/dht-diskusage.c')
-rw-r--r--xlators/cluster/dht/src/dht-diskusage.c853
1 files changed, 418 insertions, 435 deletions
diff --git a/xlators/cluster/dht/src/dht-diskusage.c b/xlators/cluster/dht/src/dht-diskusage.c
index f109615e52c..13eaabae1c1 100644
--- a/xlators/cluster/dht/src/dht-diskusage.c
+++ b/xlators/cluster/dht/src/dht-diskusage.c
@@ -8,7 +8,6 @@
cases as published by the Free Software Foundation.
*/
-
/* TODO: add NS locking */
#include "glusterfs.h"
@@ -20,493 +19,477 @@
#include <sys/time.h>
#include "events.h"
-
int
-dht_du_info_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int op_ret, int op_errno, struct statvfs *statvfs,
- dict_t *xdata)
+dht_du_info_cbk(call_frame_t *frame, void *cookie, xlator_t *this, int op_ret,
+ int op_errno, struct statvfs *statvfs, dict_t *xdata)
{
- dht_conf_t *conf = NULL;
- xlator_t *prev = NULL;
- int this_call_cnt = 0;
- int i = 0;
- double percent = 0;
- double percent_inodes = 0;
- uint64_t bytes = 0;
- uint32_t bpc; /* blocks per chunk */
- uint32_t chunks = 0;
-
- conf = this->private;
- prev = cookie;
-
- if (op_ret == -1 || !statvfs) {
- gf_msg (this->name, GF_LOG_WARNING, op_errno,
- DHT_MSG_GET_DISK_INFO_ERROR,
- "failed to get disk info from %s", prev->name);
- goto out;
- }
-
- if (statvfs->f_blocks) {
- percent = (statvfs->f_bavail * 100) / statvfs->f_blocks;
- bytes = (statvfs->f_bavail * statvfs->f_frsize);
- /*
- * A 32-bit count of 1MB chunks allows a maximum brick size of
- * ~4PB. It's possible that we could see a single local FS
- * bigger than that some day, but this code is likely to be
- * irrelevant by then. Meanwhile, it's more important to keep
- * the chunk size small so the layout-calculation code that
- * uses this value can be tested on normal machines.
- */
- bpc = (1 << 20) / statvfs->f_bsize;
- chunks = (statvfs->f_blocks + bpc - 1) / bpc;
- }
-
- if (statvfs->f_files) {
- percent_inodes = (statvfs->f_ffree * 100) / statvfs->f_files;
- } else {
- /*
- * Set percent inodes to 100 for dynamically allocated inode
- * filesystems. The rationale is that distribute need not
- * worry about total inodes; rather, let the 'create()' be
- * scheduled on the hashed subvol regardless of the total
- * inodes.
- */
- percent_inodes = 100;
- }
-
- LOCK (&conf->subvolume_lock);
- {
- for (i = 0; i < conf->subvolume_cnt; i++)
- if (prev == conf->subvolumes[i]) {
- conf->du_stats[i].avail_percent = percent;
- conf->du_stats[i].avail_space = bytes;
- conf->du_stats[i].avail_inodes = percent_inodes;
- conf->du_stats[i].chunks = chunks;
- conf->du_stats[i].total_blocks = statvfs->f_blocks;
- conf->du_stats[i].avail_blocks = statvfs->f_bavail;
- conf->du_stats[i].frsize = statvfs->f_frsize;
-
- gf_msg_debug (this->name, 0,
- "subvolume '%s': avail_percent "
- "is: %.2f and avail_space "
- "is: %" PRIu64" and avail_inodes"
- " is: %.2f",
- prev->name,
- conf->du_stats[i].avail_percent,
- conf->du_stats[i].avail_space,
- conf->du_stats[i].avail_inodes);
- break; /* no point in looping further */
- }
- }
- UNLOCK (&conf->subvolume_lock);
+ dht_conf_t *conf = NULL;
+ xlator_t *prev = NULL;
+ int this_call_cnt = 0;
+ int i = 0;
+ double percent = 0;
+ double percent_inodes = 0;
+ uint64_t bytes = 0;
+ uint32_t bpc; /* blocks per chunk */
+ uint32_t chunks = 0;
+
+ conf = this->private;
+ prev = cookie;
+
+ if (op_ret == -1 || !statvfs) {
+ gf_msg(this->name, GF_LOG_WARNING, op_errno,
+ DHT_MSG_GET_DISK_INFO_ERROR, "failed to get disk info from %s",
+ prev->name);
+ goto out;
+ }
+
+ if (statvfs->f_blocks) {
+ percent = (statvfs->f_bavail * 100) / statvfs->f_blocks;
+ bytes = (statvfs->f_bavail * statvfs->f_frsize);
+ /*
+ * A 32-bit count of 1MB chunks allows a maximum brick size of
+ * ~4PB. It's possible that we could see a single local FS
+ * bigger than that some day, but this code is likely to be
+ * irrelevant by then. Meanwhile, it's more important to keep
+ * the chunk size small so the layout-calculation code that
+ * uses this value can be tested on normal machines.
+ */
+ bpc = (1 << 20) / statvfs->f_bsize;
+ chunks = (statvfs->f_blocks + bpc - 1) / bpc;
+ }
+
+ if (statvfs->f_files) {
+ percent_inodes = (statvfs->f_ffree * 100) / statvfs->f_files;
+ } else {
+ /*
+ * Set percent inodes to 100 for dynamically allocated inode
+ * filesystems. The rationale is that distribute need not
+ * worry about total inodes; rather, let the 'create()' be
+ * scheduled on the hashed subvol regardless of the total
+ * inodes.
+ */
+ percent_inodes = 100;
+ }
+
+ LOCK(&conf->subvolume_lock);
+ {
+ for (i = 0; i < conf->subvolume_cnt; i++)
+ if (prev == conf->subvolumes[i]) {
+ conf->du_stats[i].avail_percent = percent;
+ conf->du_stats[i].avail_space = bytes;
+ conf->du_stats[i].avail_inodes = percent_inodes;
+ conf->du_stats[i].chunks = chunks;
+ conf->du_stats[i].total_blocks = statvfs->f_blocks;
+ conf->du_stats[i].avail_blocks = statvfs->f_bavail;
+ conf->du_stats[i].frsize = statvfs->f_frsize;
+
+ gf_msg_debug(this->name, 0,
+ "subvolume '%s': avail_percent "
+ "is: %.2f and avail_space "
+ "is: %" PRIu64
+ " and avail_inodes"
+ " is: %.2f",
+ prev->name, conf->du_stats[i].avail_percent,
+ conf->du_stats[i].avail_space,
+ conf->du_stats[i].avail_inodes);
+ break; /* no point in looping further */
+ }
+ }
+ UNLOCK(&conf->subvolume_lock);
out:
- this_call_cnt = dht_frame_return (frame);
- if (is_last_call (this_call_cnt))
- DHT_STACK_DESTROY (frame);
+ this_call_cnt = dht_frame_return(frame);
+ if (is_last_call(this_call_cnt))
+ DHT_STACK_DESTROY(frame);
- return 0;
+ return 0;
}
int
-dht_get_du_info_for_subvol (xlator_t *this, int subvol_idx)
+dht_get_du_info_for_subvol(xlator_t *this, int subvol_idx)
{
- dht_conf_t *conf = NULL;
- call_frame_t *statfs_frame = NULL;
- dht_local_t *statfs_local = NULL;
- call_pool_t *pool = NULL;
- loc_t tmp_loc = {0,};
-
- conf = this->private;
- pool = this->ctx->pool;
-
- statfs_frame = create_frame (this, pool);
- if (!statfs_frame) {
- goto err;
- }
-
- /* local->fop value is not used in this case */
- statfs_local = dht_local_init (statfs_frame, NULL, NULL,
- GF_FOP_MAXVALUE);
- if (!statfs_local) {
- goto err;
- }
-
- /* make it root gfid, should be enough to get the proper info back */
- tmp_loc.gfid[15] = 1;
-
- statfs_local->call_cnt = 1;
- STACK_WIND_COOKIE (statfs_frame, dht_du_info_cbk,
- conf->subvolumes[subvol_idx],
- conf->subvolumes[subvol_idx],
- conf->subvolumes[subvol_idx]->fops->statfs,
- &tmp_loc, NULL);
-
- return 0;
+ dht_conf_t *conf = NULL;
+ call_frame_t *statfs_frame = NULL;
+ dht_local_t *statfs_local = NULL;
+ call_pool_t *pool = NULL;
+ loc_t tmp_loc = {
+ 0,
+ };
+
+ conf = this->private;
+ pool = this->ctx->pool;
+
+ statfs_frame = create_frame(this, pool);
+ if (!statfs_frame) {
+ goto err;
+ }
+
+ /* local->fop value is not used in this case */
+ statfs_local = dht_local_init(statfs_frame, NULL, NULL, GF_FOP_MAXVALUE);
+ if (!statfs_local) {
+ goto err;
+ }
+
+ /* make it root gfid, should be enough to get the proper info back */
+ tmp_loc.gfid[15] = 1;
+
+ statfs_local->call_cnt = 1;
+ STACK_WIND_COOKIE(
+ statfs_frame, dht_du_info_cbk, conf->subvolumes[subvol_idx],
+ conf->subvolumes[subvol_idx],
+ conf->subvolumes[subvol_idx]->fops->statfs, &tmp_loc, NULL);
+
+ return 0;
err:
- if (statfs_frame)
- DHT_STACK_DESTROY (statfs_frame);
+ if (statfs_frame)
+ DHT_STACK_DESTROY(statfs_frame);
- return -1;
+ return -1;
}
int
-dht_get_du_info (call_frame_t *frame, xlator_t *this, loc_t *loc)
+dht_get_du_info(call_frame_t *frame, xlator_t *this, loc_t *loc)
{
- int i = 0;
- int ret = -1;
- dht_conf_t *conf = NULL;
- call_frame_t *statfs_frame = NULL;
- dht_local_t *statfs_local = NULL;
- struct timeval tv = {0,};
- loc_t tmp_loc = {0,};
-
- conf = this->private;
-
- gettimeofday (&tv, NULL);
-
- /* make it root gfid, should be enough to get the proper
- info back */
- tmp_loc.gfid[15] = 1;
-
- if (tv.tv_sec > (conf->refresh_interval
- + conf->last_stat_fetch.tv_sec)) {
-
- statfs_frame = copy_frame (frame);
- if (!statfs_frame) {
- goto err;
- }
-
- /* In this case, 'local->fop' is not used */
- statfs_local = dht_local_init (statfs_frame, loc, NULL,
- GF_FOP_MAXVALUE);
- if (!statfs_local) {
- goto err;
- }
-
- statfs_local->params = dict_new ();
- if (!statfs_local->params)
- goto err;
-
- ret = dict_set_int8 (statfs_local->params,
- GF_INTERNAL_IGNORE_DEEM_STATFS, 1);
- if (ret) {
- gf_msg (this->name, GF_LOG_ERROR, 0,
- DHT_MSG_DICT_SET_FAILED,
- "Failed to set "
- GF_INTERNAL_IGNORE_DEEM_STATFS" in dict");
- goto err;
- }
+ int i = 0;
+ int ret = -1;
+ dht_conf_t *conf = NULL;
+ call_frame_t *statfs_frame = NULL;
+ dht_local_t *statfs_local = NULL;
+ struct timeval tv = {
+ 0,
+ };
+ loc_t tmp_loc = {
+ 0,
+ };
+
+ conf = this->private;
+
+ gettimeofday(&tv, NULL);
+
+ /* make it root gfid, should be enough to get the proper
+ info back */
+ tmp_loc.gfid[15] = 1;
+
+ if (tv.tv_sec > (conf->refresh_interval + conf->last_stat_fetch.tv_sec)) {
+ statfs_frame = copy_frame(frame);
+ if (!statfs_frame) {
+ goto err;
+ }
+
+ /* In this case, 'local->fop' is not used */
+ statfs_local = dht_local_init(statfs_frame, loc, NULL, GF_FOP_MAXVALUE);
+ if (!statfs_local) {
+ goto err;
+ }
+
+ statfs_local->params = dict_new();
+ if (!statfs_local->params)
+ goto err;
+
+ ret = dict_set_int8(statfs_local->params,
+ GF_INTERNAL_IGNORE_DEEM_STATFS, 1);
+ if (ret) {
+ gf_msg(this->name, GF_LOG_ERROR, 0, DHT_MSG_DICT_SET_FAILED,
+ "Failed to set " GF_INTERNAL_IGNORE_DEEM_STATFS " in dict");
+ goto err;
+ }
+
+ statfs_local->call_cnt = conf->subvolume_cnt;
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ STACK_WIND_COOKIE(statfs_frame, dht_du_info_cbk,
+ conf->subvolumes[i], conf->subvolumes[i],
+ conf->subvolumes[i]->fops->statfs, &tmp_loc,
+ statfs_local->params);
+ }
- statfs_local->call_cnt = conf->subvolume_cnt;
- for (i = 0; i < conf->subvolume_cnt; i++) {
- STACK_WIND_COOKIE (statfs_frame, dht_du_info_cbk,
- conf->subvolumes[i],
- conf->subvolumes[i],
- conf->subvolumes[i]->fops->statfs,
- &tmp_loc, statfs_local->params);
- }
-
- conf->last_stat_fetch.tv_sec = tv.tv_sec;
- }
- return 0;
+ conf->last_stat_fetch.tv_sec = tv.tv_sec;
+ }
+ return 0;
err:
- if (statfs_frame)
- DHT_STACK_DESTROY (statfs_frame);
+ if (statfs_frame)
+ DHT_STACK_DESTROY(statfs_frame);
- return -1;
+ return -1;
}
-
gf_boolean_t
-dht_is_subvol_filled (xlator_t *this, xlator_t *subvol)
+dht_is_subvol_filled(xlator_t *this, xlator_t *subvol)
{
- int i = 0;
- char vol_name[256];
- dht_conf_t *conf = NULL;
- gf_boolean_t subvol_filled_inodes = _gf_false;
- gf_boolean_t subvol_filled_space = _gf_false;
- gf_boolean_t is_subvol_filled = _gf_false;
- double usage = 0;
-
- conf = this->private;
-
- /* Check for values above specified percent or free disk */
- LOCK (&conf->subvolume_lock);
- {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (subvol == conf->subvolumes[i]) {
- if (conf->disk_unit == 'p') {
- if (conf->du_stats[i].avail_percent <
- conf->min_free_disk) {
- subvol_filled_space = _gf_true;
- break;
- }
-
- } else {
- if (conf->du_stats[i].avail_space <
- conf->min_free_disk) {
- subvol_filled_space = _gf_true;
- break;
- }
- }
- if (conf->du_stats[i].avail_inodes <
- conf->min_free_inodes) {
- subvol_filled_inodes = _gf_true;
- break;
- }
- }
- }
- }
- UNLOCK (&conf->subvolume_lock);
-
- if (subvol_filled_space && conf->subvolume_status[i]) {
- if (!(conf->du_stats[i].log++ % (GF_UNIVERSAL_ANSWER * 10))) {
- usage = 100 - conf->du_stats[i].avail_percent;
-
- gf_msg (this->name, GF_LOG_WARNING, 0,
- DHT_MSG_SUBVOL_INSUFF_SPACE,
- "disk space on subvolume '%s' is getting "
- "full (%.2f %%), consider adding more bricks",
- subvol->name, usage);
-
- strncpy(vol_name, this->name, sizeof(vol_name));
- vol_name[(strlen(this->name)-4)] = '\0';
-
- gf_event(EVENT_DHT_DISK_USAGE,
- "volume=%s;subvol=%s;usage=%.2f %%",
- vol_name, subvol->name, usage);
- }
- }
-
- if (subvol_filled_inodes && conf->subvolume_status[i]) {
- if (!(conf->du_stats[i].log++ % (GF_UNIVERSAL_ANSWER * 10))) {
- usage = 100 - conf->du_stats[i].avail_inodes;
- gf_msg (this->name, GF_LOG_CRITICAL, 0,
- DHT_MSG_SUBVOL_INSUFF_INODES,
- "inodes on subvolume '%s' are at "
- "(%.2f %%), consider adding more bricks",
- subvol->name, usage);
-
- strncpy(vol_name, this->name, sizeof(vol_name));
- vol_name[(strlen(this->name)-4)] = '\0';
-
- gf_event(EVENT_DHT_INODES_USAGE,
- "volume=%s;subvol=%s;usage=%.2f %%",
- vol_name, subvol->name, usage);
- }
- }
-
- is_subvol_filled = (subvol_filled_space || subvol_filled_inodes);
-
- return is_subvol_filled;
-}
+ int i = 0;
+ char vol_name[256];
+ dht_conf_t *conf = NULL;
+ gf_boolean_t subvol_filled_inodes = _gf_false;
+ gf_boolean_t subvol_filled_space = _gf_false;
+ gf_boolean_t is_subvol_filled = _gf_false;
+ double usage = 0;
+
+ conf = this->private;
+
+ /* Check for values above specified percent or free disk */
+ LOCK(&conf->subvolume_lock);
+ {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (subvol == conf->subvolumes[i]) {
+ if (conf->disk_unit == 'p') {
+ if (conf->du_stats[i].avail_percent < conf->min_free_disk) {
+ subvol_filled_space = _gf_true;
+ break;
+ }
+
+ } else {
+ if (conf->du_stats[i].avail_space < conf->min_free_disk) {
+ subvol_filled_space = _gf_true;
+ break;
+ }
+ }
+ if (conf->du_stats[i].avail_inodes < conf->min_free_inodes) {
+ subvol_filled_inodes = _gf_true;
+ break;
+ }
+ }
+ }
+ }
+ UNLOCK(&conf->subvolume_lock);
+ if (subvol_filled_space && conf->subvolume_status[i]) {
+ if (!(conf->du_stats[i].log++ % (GF_UNIVERSAL_ANSWER * 10))) {
+ usage = 100 - conf->du_stats[i].avail_percent;
-/*Get the best subvolume to create the file in*/
-xlator_t *
-dht_free_disk_available_subvol (xlator_t *this, xlator_t *subvol,
- dht_local_t *local)
-{
- xlator_t *avail_subvol = NULL;
- dht_conf_t *conf = NULL;
- dht_layout_t *layout = NULL;
- loc_t *loc = NULL;
+ gf_msg(this->name, GF_LOG_WARNING, 0, DHT_MSG_SUBVOL_INSUFF_SPACE,
+ "disk space on subvolume '%s' is getting "
+ "full (%.2f %%), consider adding more bricks",
+ subvol->name, usage);
- conf = this->private;
- if (!local)
- goto out;
- loc = &local->loc;
- if (!local->layout) {
- layout = dht_layout_get (this, loc->parent);
-
- if (!layout) {
- gf_msg_debug (this->name, 0,
- "Missing layout. path=%s,"
- " parent gfid = %s", loc->path,
- uuid_utoa (loc->parent->gfid));
- goto out;
- }
- } else {
- layout = dht_layout_ref (this, local->layout);
- }
+ strncpy(vol_name, this->name, sizeof(vol_name));
+ vol_name[(strlen(this->name) - 4)] = '\0';
- LOCK (&conf->subvolume_lock);
- {
- avail_subvol = dht_subvol_with_free_space_inodes(this, subvol, NULL,
- layout, 0);
- if(!avail_subvol)
- {
- avail_subvol = dht_subvol_maxspace_nonzeroinode(this,
- subvol,
- layout);
- }
+ gf_event(EVENT_DHT_DISK_USAGE, "volume=%s;subvol=%s;usage=%.2f %%",
+ vol_name, subvol->name, usage);
+ }
+ }
+
+ if (subvol_filled_inodes && conf->subvolume_status[i]) {
+ if (!(conf->du_stats[i].log++ % (GF_UNIVERSAL_ANSWER * 10))) {
+ usage = 100 - conf->du_stats[i].avail_inodes;
+ gf_msg(this->name, GF_LOG_CRITICAL, 0, DHT_MSG_SUBVOL_INSUFF_INODES,
+ "inodes on subvolume '%s' are at "
+ "(%.2f %%), consider adding more bricks",
+ subvol->name, usage);
+
+ strncpy(vol_name, this->name, sizeof(vol_name));
+ vol_name[(strlen(this->name) - 4)] = '\0';
+
+ gf_event(EVENT_DHT_INODES_USAGE,
+ "volume=%s;subvol=%s;usage=%.2f %%", vol_name,
+ subvol->name, usage);
+ }
+ }
- }
- UNLOCK (&conf->subvolume_lock);
-out:
- if (!avail_subvol) {
- gf_msg_debug (this->name, 0,
- "No subvolume has enough free space \
- and/or inodes to create");
- avail_subvol = subvol;
- }
+ is_subvol_filled = (subvol_filled_space || subvol_filled_inodes);
- if (layout)
- dht_layout_unref (this, layout);
- return avail_subvol;
+ return is_subvol_filled;
}
-static inline
-int32_t dht_subvol_has_err (dht_conf_t *conf, xlator_t *this, xlator_t *ignore,
- dht_layout_t *layout)
+/*Get the best subvolume to create the file in*/
+xlator_t *
+dht_free_disk_available_subvol(xlator_t *this, xlator_t *subvol,
+ dht_local_t *local)
{
- int ret = -1;
- int i = 0;
-
- if (!this || !layout)
- goto out;
-
- /* this check is meant for rebalance process. The source of the file
- * should be ignored for space check */
- if (this == ignore) {
- goto out;
+ xlator_t *avail_subvol = NULL;
+ dht_conf_t *conf = NULL;
+ dht_layout_t *layout = NULL;
+ loc_t *loc = NULL;
+
+ conf = this->private;
+ if (!local)
+ goto out;
+ loc = &local->loc;
+ if (!local->layout) {
+ layout = dht_layout_get(this, loc->parent);
+
+ if (!layout) {
+ gf_msg_debug(this->name, 0,
+ "Missing layout. path=%s,"
+ " parent gfid = %s",
+ loc->path, uuid_utoa(loc->parent->gfid));
+ goto out;
+ }
+ } else {
+ layout = dht_layout_ref(this, local->layout);
+ }
+
+ LOCK(&conf->subvolume_lock);
+ {
+ avail_subvol = dht_subvol_with_free_space_inodes(this, subvol, NULL,
+ layout, 0);
+ if (!avail_subvol) {
+ avail_subvol = dht_subvol_maxspace_nonzeroinode(this, subvol,
+ layout);
}
+ }
+ UNLOCK(&conf->subvolume_lock);
+out:
+ if (!avail_subvol) {
+ gf_msg_debug(this->name, 0,
+ "No subvolume has enough free space \
+ and/or inodes to create");
+ avail_subvol = subvol;
+ }
+ if (layout)
+ dht_layout_unref(this, layout);
+ return avail_subvol;
+}
- /* check if subvol has layout errors, before selecting it */
- for (i = 0; i < layout->cnt; i++) {
- if (!strcmp (layout->list[i].xlator->name, this->name) &&
- (layout->list[i].err != 0)) {
- ret = -1;
- goto out;
- }
+static inline int32_t
+dht_subvol_has_err(dht_conf_t *conf, xlator_t *this, xlator_t *ignore,
+ dht_layout_t *layout)
+{
+ int ret = -1;
+ int i = 0;
+
+ if (!this || !layout)
+ goto out;
+
+ /* this check is meant for rebalance process. The source of the file
+ * should be ignored for space check */
+ if (this == ignore) {
+ goto out;
+ }
+
+ /* check if subvol has layout errors, before selecting it */
+ for (i = 0; i < layout->cnt; i++) {
+ if (!strcmp(layout->list[i].xlator->name, this->name) &&
+ (layout->list[i].err != 0)) {
+ ret = -1;
+ goto out;
}
+ }
- /* discard decommissioned subvol */
- if (conf->decommission_subvols_cnt) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- if (conf->decommissioned_bricks[i] &&
- conf->decommissioned_bricks[i] == this) {
- ret = -1;
- goto out;
- }
- }
+ /* discard decommissioned subvol */
+ if (conf->decommission_subvols_cnt) {
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ if (conf->decommissioned_bricks[i] &&
+ conf->decommissioned_bricks[i] == this) {
+ ret = -1;
+ goto out;
+ }
}
+ }
- ret = 0;
+ ret = 0;
out:
- return ret;
+ return ret;
}
/*Get subvolume which has both space and inodes more than the min criteria*/
xlator_t *
-dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol, xlator_t *ignore,
- dht_layout_t *layout, uint64_t filesize)
+dht_subvol_with_free_space_inodes(xlator_t *this, xlator_t *subvol,
+ xlator_t *ignore, dht_layout_t *layout,
+ uint64_t filesize)
{
- int i = 0;
- double max = 0;
- double max_inodes = 0;
- int ignore_subvol = 0;
- uint64_t total_blocks = 0;
- uint64_t avail_blocks = 0;
- uint64_t frsize = 0;
- double post_availspace = 0;
- double post_percent = 0;
-
- xlator_t *avail_subvol = NULL;
- dht_conf_t *conf = NULL;
-
- conf = this->private;
-
- for(i=0; i < conf->subvolume_cnt; i++) {
- /* check if subvol has layout errors and also it is not a
- * decommissioned brick, before selecting it */
- ignore_subvol = dht_subvol_has_err (conf, conf->subvolumes[i],
- ignore, layout);
- if (ignore_subvol)
- continue;
-
- if ((conf->disk_unit == 'p') &&
- (conf->du_stats[i].avail_percent > conf->min_free_disk) &&
- (conf->du_stats[i].avail_inodes > conf->min_free_inodes)) {
- if ((conf->du_stats[i].avail_inodes > max_inodes) ||
- (conf->du_stats[i].avail_percent > max)) {
- max = conf->du_stats[i].avail_percent;
- max_inodes = conf->du_stats[i].avail_inodes;
- avail_subvol = conf->subvolumes[i];
- total_blocks = conf->du_stats[i].total_blocks;
- avail_blocks = conf->du_stats[i].avail_blocks;
- frsize = conf->du_stats[i].frsize;
- }
- }
-
- if ((conf->disk_unit != 'p') &&
- (conf->du_stats[i].avail_space > conf->min_free_disk) &&
- (conf->du_stats[i].avail_inodes > conf->min_free_inodes)) {
- if ((conf->du_stats[i].avail_inodes > max_inodes) ||
- (conf->du_stats[i].avail_space > max)) {
- max = conf->du_stats[i].avail_space;
- max_inodes = conf->du_stats[i].avail_inodes;
- avail_subvol = conf->subvolumes[i];
- }
- }
+ int i = 0;
+ double max = 0;
+ double max_inodes = 0;
+ int ignore_subvol = 0;
+ uint64_t total_blocks = 0;
+ uint64_t avail_blocks = 0;
+ uint64_t frsize = 0;
+ double post_availspace = 0;
+ double post_percent = 0;
+
+ xlator_t *avail_subvol = NULL;
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ /* check if subvol has layout errors and also it is not a
+ * decommissioned brick, before selecting it */
+ ignore_subvol = dht_subvol_has_err(conf, conf->subvolumes[i], ignore,
+ layout);
+ if (ignore_subvol)
+ continue;
+
+ if ((conf->disk_unit == 'p') &&
+ (conf->du_stats[i].avail_percent > conf->min_free_disk) &&
+ (conf->du_stats[i].avail_inodes > conf->min_free_inodes)) {
+ if ((conf->du_stats[i].avail_inodes > max_inodes) ||
+ (conf->du_stats[i].avail_percent > max)) {
+ max = conf->du_stats[i].avail_percent;
+ max_inodes = conf->du_stats[i].avail_inodes;
+ avail_subvol = conf->subvolumes[i];
+ total_blocks = conf->du_stats[i].total_blocks;
+ avail_blocks = conf->du_stats[i].avail_blocks;
+ frsize = conf->du_stats[i].frsize;
+ }
}
- if (avail_subvol) {
- if (conf->disk_unit == 'p') {
- post_availspace = (avail_blocks * frsize) - filesize;
- post_percent = (post_availspace * 100) / (total_blocks * frsize);
- if (post_percent < conf->min_free_disk)
- avail_subvol = NULL;
- }
- if (conf->disk_unit != 'p') {
- if ((max - filesize) < conf->min_free_disk)
- avail_subvol = NULL;
- }
+ if ((conf->disk_unit != 'p') &&
+ (conf->du_stats[i].avail_space > conf->min_free_disk) &&
+ (conf->du_stats[i].avail_inodes > conf->min_free_inodes)) {
+ if ((conf->du_stats[i].avail_inodes > max_inodes) ||
+ (conf->du_stats[i].avail_space > max)) {
+ max = conf->du_stats[i].avail_space;
+ max_inodes = conf->du_stats[i].avail_inodes;
+ avail_subvol = conf->subvolumes[i];
+ }
}
+ }
+
+ if (avail_subvol) {
+ if (conf->disk_unit == 'p') {
+ post_availspace = (avail_blocks * frsize) - filesize;
+ post_percent = (post_availspace * 100) / (total_blocks * frsize);
+ if (post_percent < conf->min_free_disk)
+ avail_subvol = NULL;
+ }
+ if (conf->disk_unit != 'p') {
+ if ((max - filesize) < conf->min_free_disk)
+ avail_subvol = NULL;
+ }
+ }
- return avail_subvol;
+ return avail_subvol;
}
-
/* Get subvol which has at least one inode and maximum space */
xlator_t *
-dht_subvol_maxspace_nonzeroinode (xlator_t *this, xlator_t *subvol,
- dht_layout_t *layout)
+dht_subvol_maxspace_nonzeroinode(xlator_t *this, xlator_t *subvol,
+ dht_layout_t *layout)
{
- int i = 0;
- double max = 0;
- int ignore_subvol = 0;
-
- xlator_t *avail_subvol = NULL;
- dht_conf_t *conf = NULL;
-
- conf = this->private;
-
- for (i = 0; i < conf->subvolume_cnt; i++) {
- /* check if subvol has layout errors and also it is not a
- * decommissioned brick, before selecting it*/
-
- ignore_subvol = dht_subvol_has_err (conf, conf->subvolumes[i], NULL,
- layout);
- if (ignore_subvol)
- continue;
-
- if (conf->disk_unit == 'p') {
- if ((conf->du_stats[i].avail_percent > max)
- && (conf->du_stats[i].avail_inodes > 0 )) {
- max = conf->du_stats[i].avail_percent;
- avail_subvol = conf->subvolumes[i];
- }
- } else {
- if ((conf->du_stats[i].avail_space > max)
- && (conf->du_stats[i].avail_inodes > 0)) {
- max = conf->du_stats[i].avail_space;
- avail_subvol = conf->subvolumes[i];
- }
- }
+ int i = 0;
+ double max = 0;
+ int ignore_subvol = 0;
+
+ xlator_t *avail_subvol = NULL;
+ dht_conf_t *conf = NULL;
+
+ conf = this->private;
+
+ for (i = 0; i < conf->subvolume_cnt; i++) {
+ /* check if subvol has layout errors and also it is not a
+ * decommissioned brick, before selecting it*/
+
+ ignore_subvol = dht_subvol_has_err(conf, conf->subvolumes[i], NULL,
+ layout);
+ if (ignore_subvol)
+ continue;
+
+ if (conf->disk_unit == 'p') {
+ if ((conf->du_stats[i].avail_percent > max) &&
+ (conf->du_stats[i].avail_inodes > 0)) {
+ max = conf->du_stats[i].avail_percent;
+ avail_subvol = conf->subvolumes[i];
+ }
+ } else {
+ if ((conf->du_stats[i].avail_space > max) &&
+ (conf->du_stats[i].avail_inodes > 0)) {
+ max = conf->du_stats[i].avail_space;
+ avail_subvol = conf->subvolumes[i];
+ }
}
+ }
- return avail_subvol;
+ return avail_subvol;
}