summaryrefslogtreecommitdiffstats
path: root/xlators/cluster/stripe/src/stripe.c
diff options
context:
space:
mode:
Diffstat (limited to 'xlators/cluster/stripe/src/stripe.c')
-rw-r--r--xlators/cluster/stripe/src/stripe.c210
1 files changed, 154 insertions, 56 deletions
diff --git a/xlators/cluster/stripe/src/stripe.c b/xlators/cluster/stripe/src/stripe.c
index 464ffb9305f..6762d9adc2c 100644
--- a/xlators/cluster/stripe/src/stripe.c
+++ b/xlators/cluster/stripe/src/stripe.c
@@ -39,6 +39,8 @@
#include "byte-order.h"
#include "statedump.h"
+#define STRIPE_MIN_BLOCK_SIZE 16*GF_UNIT_KB
+
struct volume_options options[];
void
@@ -70,33 +72,27 @@ out:
* stripe_get_matching_bs - Get the matching block size for the given path.
*/
int32_t
-stripe_get_matching_bs (const char *path, struct stripe_options *opts,
- uint64_t default_bs)
+stripe_get_matching_bs (const char *path, stripe_private_t *priv)
{
struct stripe_options *trav = NULL;
- char *pathname = NULL;
uint64_t block_size = 0;
- block_size = default_bs;
-
- if (!path || !opts)
- goto out;
-
- /* FIXME: is a strdup really necessary? */
- pathname = gf_strdup (path);
- if (!pathname)
- goto out;
+ GF_VALIDATE_OR_GOTO ("stripe", priv, out);
+ GF_VALIDATE_OR_GOTO ("stripe", path, out);
- trav = opts;
- while (trav) {
- if (!fnmatch (trav->path_pattern, pathname, FNM_NOESCAPE)) {
- block_size = trav->block_size;
- break;
+ LOCK (&priv->lock);
+ {
+ block_size = priv->block_size;
+ trav = priv->pattern;
+ while (trav) {
+ if (!fnmatch (trav->path_pattern, path, FNM_NOESCAPE)) {
+ block_size = trav->block_size;
+ break;
+ }
+ trav = trav->next;
}
- trav = trav->next;
}
-
- GF_FREE (pathname);
+ UNLOCK (&priv->lock);
out:
return block_size;
@@ -1883,9 +1879,7 @@ stripe_mknod (call_frame_t *frame, xlator_t *this, loc_t *loc, mode_t mode,
}
local->op_ret = -1;
local->op_errno = ENOTCONN;
- local->stripe_size = stripe_get_matching_bs (loc->path,
- priv->pattern,
- priv->block_size);
+ local->stripe_size = stripe_get_matching_bs (loc->path, priv);
frame->local = local;
local->inode = inode_ref (loc->inode);
loc_copy (&local->loc, loc);
@@ -2546,9 +2540,7 @@ stripe_create (call_frame_t *frame, xlator_t *this, loc_t *loc,
}
local->op_ret = -1;
local->op_errno = ENOTCONN;
- local->stripe_size = stripe_get_matching_bs (loc->path,
- priv->pattern,
- priv->block_size);
+ local->stripe_size = stripe_get_matching_bs (loc->path, priv);
frame->local = local;
local->inode = inode_ref (loc->inode);
loc_copy (&local->loc, loc);
@@ -2689,9 +2681,7 @@ stripe_open (call_frame_t *frame, xlator_t *this, loc_t *loc,
/* Striped files */
local->flags = flags;
local->call_count = priv->child_count;
- local->stripe_size = stripe_get_matching_bs (loc->path,
- priv->pattern,
- priv->block_size);
+ local->stripe_size = stripe_get_matching_bs (loc->path, priv);
while (trav) {
STACK_WIND (frame, stripe_open_cbk, trav->xlator,
@@ -3889,6 +3879,30 @@ notify (xlator_t *this, int32_t event, void *data, ...)
return 0;
}
+static int
+set_default_block_size (stripe_private_t *priv, char *num)
+{
+
+ int ret = -1;
+ GF_VALIDATE_OR_GOTO ("stripe", THIS, out);
+ GF_VALIDATE_OR_GOTO (THIS->name, priv, out);
+ GF_VALIDATE_OR_GOTO (THIS->name, num, out);
+
+
+ if (gf_string2bytesize (num, &priv->block_size) != 0) {
+ gf_log (THIS->name, GF_LOG_ERROR,
+ "invalid number format \"%s\"", num);
+ goto out;
+ }
+
+ ret = 0;
+
+ out:
+ return ret;
+
+}
+
+
int
set_stripe_block_size (xlator_t *this, stripe_private_t *priv, char *data)
{
@@ -3910,7 +3924,8 @@ set_stripe_block_size (xlator_t *this, stripe_private_t *priv, char *data)
stripe_str = strtok_r (data, ",", &tmp_str);
while (stripe_str) {
dup_str = gf_strdup (stripe_str);
- stripe_opt = CALLOC (1, sizeof (struct stripe_options));
+ stripe_opt = GF_CALLOC (1, sizeof (struct stripe_options),
+ gf_stripe_mt_stripe_options);
if (!stripe_opt) {
GF_FREE (dup_str);
goto out;
@@ -3921,6 +3936,9 @@ set_stripe_block_size (xlator_t *this, stripe_private_t *priv, char *data)
if (!num) {
num = pattern;
pattern = "*";
+ ret = set_default_block_size (priv, num);
+ if (ret)
+ goto out;
}
if (gf_string2bytesize (num, &stripe_opt->block_size) != 0) {
gf_log (this->name, GF_LOG_ERROR,
@@ -3928,7 +3946,7 @@ set_stripe_block_size (xlator_t *this, stripe_private_t *priv, char *data)
goto out;
}
- if (stripe_opt->block_size < 512) {
+ if (stripe_opt->block_size < STRIPE_MIN_BLOCK_SIZE) {
gf_log (this->name, GF_LOG_ERROR, "Invalid Block-size: "
"%s. Should be atleast 512 bytes", num);
goto out;
@@ -3945,14 +3963,13 @@ set_stripe_block_size (xlator_t *this, stripe_private_t *priv, char *data)
"block-size : pattern %s : size %"PRId64,
stripe_opt->path_pattern, stripe_opt->block_size);
- if (!priv->pattern) {
- priv->pattern = stripe_opt;
- } else {
+ if (priv->pattern)
+ temp_stripeopt = NULL;
+ else
temp_stripeopt = priv->pattern;
- while (temp_stripeopt->next)
- temp_stripeopt = temp_stripeopt->next;
- temp_stripeopt->next = stripe_opt;
- }
+ priv->pattern = stripe_opt;
+ stripe_opt->next = temp_stripeopt;
+
stripe_str = strtok_r (NULL, ",", &tmp_str);
GF_FREE (dup_str);
}
@@ -4397,21 +4414,83 @@ out:
return ret;
}
+static int
+clear_pattern_list (stripe_private_t *priv)
+{
+ struct stripe_options *prev = NULL;
+ struct stripe_options *trav = NULL;
+ int ret = -1;
+
+ GF_VALIDATE_OR_GOTO ("stripe", priv, out);
+
+ trav = priv->pattern;
+ priv->pattern = NULL;
+ while (trav) {
+ prev = trav;
+ trav = trav->next;
+ GF_FREE (prev);
+ }
+
+ ret = 0;
+ out:
+ return ret;
+
+
+}
+
int
reconfigure (xlator_t *this, dict_t *options)
{
- stripe_private_t *priv = NULL;
- int ret = -1;
+ stripe_private_t *priv = NULL;
+ data_t *data = NULL;
+ int ret = -1;
+ volume_option_t *opt = NULL;
+
+ GF_ASSERT (this);
+ GF_ASSERT (this->private);
- priv = this->private;
+ priv = this->private;
- GF_OPTION_RECONF ("block-size", priv->block_size, options, size, out);
ret = 0;
-out:
- return ret;
+ LOCK (&priv->lock);
+ {
+ ret = clear_pattern_list (priv);
+ if (ret)
+ goto unlock;
+
+ data = dict_get (options, "block-size");
+ if (data) {
+ ret = set_stripe_block_size (this, priv, data->data);
+ if (ret)
+ goto unlock;
+ } else {
+ opt = xlator_volume_option_get (this, "block-size");
+ if (!opt) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "option 'block-size' not found");
+ ret = -1;
+ goto unlock;
+ }
+
+ if (gf_string2bytesize (opt->default_value, &priv->block_size)){
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set default block-size ");
+ ret = -1;
+ goto unlock;
+ }
+ }
+ }
+ unlock:
+ UNLOCK (&priv->lock);
+ if (ret)
+ goto out;
+
+ ret = 0;
+ out:
+ return ret;
}
@@ -4424,6 +4503,7 @@ int32_t
init (xlator_t *this)
{
stripe_private_t *priv = NULL;
+ volume_option_t *opt = NULL;
xlator_list_t *trav = NULL;
data_t *data = NULL;
int32_t count = 0;
@@ -4489,19 +4569,36 @@ init (xlator_t *this)
goto out;
}
-
- GF_OPTION_INIT ("block-size", priv->block_size, size, out);
-
- /* option stripe-pattern *avi:1GB,*pdf:4096 */
- data = dict_get (this->options, "block-size");
- if (data) {
- ret = set_stripe_block_size (this, priv, data->data);
- if (ret)
- goto out;
+ ret = 0;
+ LOCK (&priv->lock);
+ {
+ opt = xlator_volume_option_get (this, "block-size");
+ if (!opt) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "option 'block-size' not found");
+ ret = -1;
+ goto unlock;
+ }
+ if (gf_string2bytesize (opt->default_value, &priv->block_size)){
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unable to set default block-size ");
+ ret = -1;
+ goto unlock;
+ }
+ /* option stripe-pattern *avi:1GB,*pdf:16K */
+ data = dict_get (this->options, "block-size");
+ if (data) {
+ ret = set_stripe_block_size (this, priv, data->data);
+ if (ret)
+ goto unlock;
+ }
}
+ unlock:
+ UNLOCK (&priv->lock);
+ if (ret)
+ goto out;
GF_OPTION_INIT ("use-xattr", priv->xattr_supported, bool, out);
-
/* notify related */
priv->nodes_down = priv->child_count;
@@ -4551,7 +4648,7 @@ fini (xlator_t *this)
while (trav) {
prev = trav;
trav = trav->next;
- FREE (prev);
+ GF_FREE (prev);
}
LOCK_DESTROY (&priv->lock);
GF_FREE (priv);
@@ -5072,8 +5169,9 @@ struct xlator_dumpops dumpops = {
struct volume_options options[] = {
{ .key = {"block-size"},
- .type = GF_OPTION_TYPE_ANY,
+ .type = GF_OPTION_TYPE_SIZE_LIST,
.default_value = "128KB",
+ .min = STRIPE_MIN_BLOCK_SIZE,
.description = "Size of the stripe unit that would be read "
"from or written to the striped servers."
},
generated by cgit (git 2.34.1) at 2024-11-19 05:25:00 +0000