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Diffstat (limited to 'xlators/cluster/dht/src/switch.c')
-rw-r--r--xlators/cluster/dht/src/switch.c214
1 files changed, 48 insertions, 166 deletions
diff --git a/xlators/cluster/dht/src/switch.c b/xlators/cluster/dht/src/switch.c
index 2b4f97387..d3ea90ba8 100644
--- a/xlators/cluster/dht/src/switch.c
+++ b/xlators/cluster/dht/src/switch.c
@@ -22,6 +22,8 @@
#include <fnmatch.h>
#include <string.h>
+extern struct volume_options options[];
+
struct switch_sched_array {
xlator_t *xl;
int32_t eligible;
@@ -135,7 +137,8 @@ switch_local_lookup_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
if (op_ret == -1)
goto out;
- is_linkfile = check_is_linkfile (inode, stbuf, xattr);
+ is_linkfile = check_is_linkfile (inode, stbuf, xattr,
+ conf->link_xattr_name);
is_dir = check_is_dir (inode, stbuf, xattr);
if (!is_dir && !is_linkfile) {
@@ -289,11 +292,11 @@ switch_lookup (call_frame_t *frame, xlator_t *this,
* attribute, revalidates directly go to the cached-subvolume.
*/
ret = dict_set_uint32 (local->xattr_req,
- "trusted.glusterfs.dht", 4 * 4);
+ conf->xattr_name, 4 * 4);
if (ret < 0)
gf_log (this->name, GF_LOG_WARNING,
- "failed to set dict value for "
- "trusted.glusterfs.dht");
+ "failed to set dict value for %s",
+ conf->xattr_name);
for (i = 0; i < layout->cnt; i++) {
subvol = layout->list[i].xlator;
@@ -308,18 +311,18 @@ switch_lookup (call_frame_t *frame, xlator_t *this,
} else {
do_fresh_lookup:
ret = dict_set_uint32 (local->xattr_req,
- "trusted.glusterfs.dht", 4 * 4);
+ conf->xattr_name, 4 * 4);
if (ret < 0)
gf_log (this->name, GF_LOG_WARNING,
- "failed to set dict value for "
- "trusted.glusterfs.dht");
+ "failed to set dict value for %s",
+ conf->xattr_name);
ret = dict_set_uint32 (local->xattr_req,
- "trusted.glusterfs.dht.linkto", 256);
+ conf->link_xattr_name, 256);
if (ret < 0)
gf_log (this->name, GF_LOG_WARNING,
- "failed to set dict value for "
- "trusted.glusterfs.dht.linkto");
+ "failed to set dict value for %s",
+ conf->link_xattr_name);
if (!hashed_subvol) {
gf_log (this->name, GF_LOG_DEBUG,
@@ -434,7 +437,8 @@ switch_create (call_frame_t *frame, xlator_t *this,
avail_subvol = get_switch_matching_subvol (loc->path, conf, subvol);
if (dht_is_subvol_filled (this, avail_subvol)) {
avail_subvol =
- dht_free_disk_available_subvol (this, avail_subvol);
+ dht_free_disk_available_subvol (this, avail_subvol,
+ local);
}
if (subvol != avail_subvol) {
@@ -443,9 +447,8 @@ switch_create (call_frame_t *frame, xlator_t *this,
local->flags = flags;
local->umask = umask;
local->cached_subvol = avail_subvol;
- dht_linkfile_create (frame,
- switch_create_linkfile_create_cbk,
- avail_subvol, subvol, loc);
+ dht_linkfile_create (frame, switch_create_linkfile_create_cbk,
+ this, avail_subvol, subvol, loc);
return 0;
}
@@ -475,17 +478,22 @@ switch_mknod_linkfile_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
dht_local_t *local = NULL;
local = frame->local;
+ if (!local || !local->cached_subvol) {
+ op_errno = EINVAL;
+ op_ret = -1;
+ goto err;
+ }
if (op_ret >= 0) {
- STACK_WIND (frame, dht_newfile_cbk,
- local->cached_subvol,
+ STACK_WIND_COOKIE (frame, dht_newfile_cbk,
+ (void *)local->cached_subvol, local->cached_subvol,
local->cached_subvol->fops->mknod,
&local->loc, local->mode, local->rdev,
local->umask, local->params);
return 0;
}
-
+err:
DHT_STACK_UNWIND (link, frame, op_ret, op_errno,
inode, stbuf, preparent, postparent, xdata);
return 0;
@@ -529,7 +537,8 @@ switch_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
avail_subvol = get_switch_matching_subvol (loc->path, conf, subvol);
if (dht_is_subvol_filled (this, avail_subvol)) {
avail_subvol =
- dht_free_disk_available_subvol (this, avail_subvol);
+ dht_free_disk_available_subvol (this, avail_subvol,
+ local);
}
if (avail_subvol != subvol) {
@@ -542,16 +551,16 @@ switch_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
local->cached_subvol = avail_subvol;
dht_linkfile_create (frame, switch_mknod_linkfile_cbk,
- avail_subvol, subvol, loc);
+ this, avail_subvol, subvol, loc);
return 0;
}
gf_log (this->name, GF_LOG_TRACE,
"creating %s on %s", loc->path, subvol->name);
- STACK_WIND (frame, dht_newfile_cbk,
- subvol, subvol->fops->mknod,
- loc, mode, rdev, umask, params);
+ STACK_WIND_COOKIE (frame, dht_newfile_cbk, (void *)subvol, subvol,
+ subvol->fops->mknod, loc, mode, rdev, umask,
+ params);
return 0;
@@ -564,20 +573,9 @@ err:
}
-int
-notify (xlator_t *this, int event, void *data, ...)
-{
- int ret = -1;
-
- ret = dht_notify (this, event, data);
-
- return ret;
-}
-
void
-fini (xlator_t *this)
+switch_fini (xlator_t *this)
{
- int i = 0;
dht_conf_t *conf = NULL;
struct switch_struct *trav = NULL;
struct switch_struct *prev = NULL;
@@ -593,22 +591,9 @@ fini (xlator_t *this)
trav = trav->next;
GF_FREE (prev);
}
-
- if (conf->file_layouts) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- GF_FREE (conf->file_layouts[i]);
- }
- GF_FREE (conf->file_layouts);
- }
-
- GF_FREE (conf->subvolumes);
-
- GF_FREE (conf->subvolume_status);
-
- GF_FREE (conf);
}
- return;
+ dht_fini(this);
}
int
@@ -834,68 +819,18 @@ err:
}
-int
-init (xlator_t *this)
+int32_t
+switch_init (xlator_t *this)
{
dht_conf_t *conf = NULL;
data_t *data = NULL;
- char *temp_str = NULL;
int ret = -1;
- int i = 0;
- double temp_free_disk = 0;
- uint64_t size = 0;
-
- if (!this->children) {
- gf_log (this->name, GF_LOG_CRITICAL,
- "SWITCH needs more than one subvolume");
- return -1;
- }
-
- if (!this->parents) {
- gf_log (this->name, GF_LOG_WARNING,
- "dangling volume. check volfile");
- }
-
- conf = GF_CALLOC (1, sizeof (*conf), gf_switch_mt_dht_conf_t);
- if (!conf) {
- goto err;
- }
-
- conf->search_unhashed = GF_DHT_LOOKUP_UNHASHED_ON;
- if (dict_get_str (this->options, "lookup-unhashed", &temp_str) == 0) {
- /* If option is not "auto", other options _should_ be boolean */
- if (strcasecmp (temp_str, "auto"))
- gf_string2boolean (temp_str, &conf->search_unhashed);
- else
- conf->search_unhashed = GF_DHT_LOOKUP_UNHASHED_AUTO;
- }
-
- conf->unhashed_sticky_bit = 0;
- if (dict_get_str (this->options, "unhashed-sticky-bit",
- &temp_str) == 0) {
- gf_string2boolean (temp_str, &conf->unhashed_sticky_bit);
- }
- conf->min_free_disk = 10.0;
- conf->disk_unit = 'p';
-
- if (dict_get_str (this->options, "min-free-disk",
- &temp_str) == 0) {
- if (gf_string2percent (temp_str, &temp_free_disk) == 0) {
- if (temp_free_disk > 100) {
- gf_string2bytesize (temp_str, &size);
- conf->min_free_disk = size;
- conf->disk_unit = 'b';
- } else {
- conf->min_free_disk = temp_free_disk;
- conf->disk_unit = 'p';
- }
- } else {
- gf_string2bytesize (temp_str, &size);
- conf->min_free_disk = size;
- conf->disk_unit = 'b';
- }
+ ret = dht_init(this);
+ if (ret) {
+ return ret;
}
+ conf = this->private;
data = dict_get (this->options, "pattern.switch.case");
if (data) {
@@ -906,60 +841,23 @@ init (xlator_t *this)
}
}
- ret = dht_init_subvolumes (this, conf);
- if (ret == -1) {
- goto err;
- }
-
- ret = dht_layouts_init (this, conf);
- if (ret == -1) {
- goto err;
- }
-
- LOCK_INIT (&conf->subvolume_lock);
- LOCK_INIT (&conf->layout_lock);
-
- conf->gen = 1;
-
- conf->du_stats = GF_CALLOC (conf->subvolume_cnt, sizeof (dht_du_t),
- gf_switch_mt_dht_du_t);
- if (!conf->du_stats) {
- goto err;
- }
-
- this->local_pool = mem_pool_new (dht_local_t, 128);
- if (!this->local_pool) {
- gf_log (this->name, GF_LOG_ERROR,
- "failed to create local_t's memory pool");
- goto err;
- }
-
this->private = conf;
-
return 0;
err:
- if (conf) {
- if (conf->file_layouts) {
- for (i = 0; i < conf->subvolume_cnt; i++) {
- GF_FREE (conf->file_layouts[i]);
- }
- GF_FREE (conf->file_layouts);
- }
-
- GF_FREE (conf->subvolumes);
-
- GF_FREE (conf->subvolume_status);
-
- GF_FREE (conf->du_stats);
-
- GF_FREE (conf);
- }
-
+ dht_fini(this);
return -1;
}
+class_methods_t class_methods = {
+ .init = switch_init,
+ .fini = switch_fini,
+ .reconfigure = dht_reconfigure,
+ .notify = dht_notify
+};
+
+
struct xlator_fops fops = {
.lookup = switch_lookup,
.create = switch_create,
@@ -1004,19 +902,3 @@ struct xlator_fops fops = {
struct xlator_cbks cbks = {
.forget = dht_forget
};
-
-
-struct volume_options options[] = {
- { .key = {"lookup-unhashed"},
- .value = {"auto", "yes", "no", "enable", "disable", "1", "0",
- "on", "off"},
- .type = GF_OPTION_TYPE_STR
- },
- { .key = {"pattern.switch.case"},
- .type = GF_OPTION_TYPE_ANY
- },
- { .key = {"min-free-disk"},
- .type = GF_OPTION_TYPE_PERCENT_OR_SIZET,
- },
- { .key = {NULL} },
-};
generated by cgit (git 2.34.1) at 2026-01-05 11:07:04 +0000