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-rw-r--r--xlators/cluster/afr/src/afr-self-heal-data.c335
1 files changed, 293 insertions, 42 deletions
diff --git a/xlators/cluster/afr/src/afr-self-heal-data.c b/xlators/cluster/afr/src/afr-self-heal-data.c
index 2f63ed27d..9de26ee56 100644
--- a/xlators/cluster/afr/src/afr-self-heal-data.c
+++ b/xlators/cluster/afr/src/afr-self-heal-data.c
@@ -156,6 +156,25 @@ afr_sh_data_close (call_frame_t *frame, xlator_t *this)
}
int
+afr_sh_dom_unlock (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ afr_private_t *priv = NULL;
+
+ local = frame->local;
+ sh = &local->self_heal;
+ priv = this->private;
+
+ if (sh->sh_dom_lock_held)
+ afr_sh_data_unlock (frame, this, priv->sh_domain,
+ afr_sh_data_close);
+ else
+ afr_sh_data_close (frame, this);
+ return 0;
+}
+
+int
afr_sh_data_setattr_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
int32_t op_ret, int32_t op_errno, struct iatt *statpre,
struct iatt *statpost, dict_t *xdata)
@@ -283,31 +302,45 @@ afr_sh_set_timestamps (call_frame_t *frame, xlator_t *this)
//Fun fact, lock_cbk is being used for both lock & unlock
int
-afr_sh_data_unlock (call_frame_t *frame, xlator_t *this,
+afr_sh_data_unlock (call_frame_t *frame, xlator_t *this, char *dom,
afr_lock_cbk_t lock_cbk)
{
afr_local_t *local = NULL;
afr_internal_lock_t *int_lock = NULL;
afr_self_heal_t *sh = NULL;
+ afr_private_t *priv = NULL;
+ int ret = 0;
local = frame->local;
int_lock = &local->internal_lock;
sh = &local->self_heal;
+ priv = this->private;
- GF_ASSERT (sh->data_lock_held);
-
- sh->data_lock_held = _gf_false;
+ if (strcmp (dom, this->name) == 0) {
+ sh->data_lock_held = _gf_false;
+ } else if (strcmp (dom, priv->sh_domain) == 0) {
+ sh->sh_dom_lock_held = _gf_false;
+ } else {
+ ret = -1;
+ goto out;
+ }
int_lock->lock_cbk = lock_cbk;
+ int_lock->domain = dom;
afr_unlock (frame, this);
+out:
+ if (ret) {
+ int_lock->lock_op_ret = -1;
+ int_lock->lock_cbk (frame, this);
+ }
return 0;
}
int
afr_sh_data_finish (call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_self_heal_t *sh = NULL;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
local = frame->local;
sh = &local->self_heal;
@@ -316,9 +349,9 @@ afr_sh_data_finish (call_frame_t *frame, xlator_t *this)
"finishing data selfheal of %s", local->loc.path);
if (sh->data_lock_held)
- afr_sh_data_unlock (frame, this, afr_sh_data_close);
+ afr_sh_data_unlock (frame, this, this->name, afr_sh_dom_unlock);
else
- afr_sh_data_close (frame, this);
+ afr_sh_dom_unlock (frame, this);
return 0;
}
@@ -335,11 +368,8 @@ afr_sh_data_fail (call_frame_t *frame, xlator_t *this)
gf_log (this->name, GF_LOG_DEBUG,
"finishing failed data selfheal of %s", local->loc.path);
- sh->op_failed = 1;
- if (sh->data_lock_held)
- afr_sh_data_unlock (frame, this, afr_sh_data_close);
- else
- afr_sh_data_close (frame, this);
+ afr_set_self_heal_status (sh, AFR_SELF_HEAL_FAILED);
+ afr_sh_data_finish (frame, this);
return 0;
}
@@ -362,13 +392,13 @@ afr_sh_data_erase_pending_cbk (call_frame_t *frame, void *cookie,
"log failed on %s for subvol %s, reason: %s",
local->loc.path, priv->children[child_index]->name,
strerror (op_errno));
- sh->op_failed = 1;
+ afr_set_self_heal_status (sh, AFR_SELF_HEAL_FAILED);
}
call_count = afr_frame_return (frame);
if (call_count == 0) {
- if (sh->op_failed) {
+ if (is_self_heal_failed (sh, AFR_CHECK_SPECIFIC)) {
if (sh->old_loop_frame)
sh_loop_finish (sh->old_loop_frame, this);
sh->old_loop_frame = NULL;
@@ -380,7 +410,7 @@ afr_sh_data_erase_pending_cbk (call_frame_t *frame, void *cookie,
goto out;
}
GF_ASSERT (sh->old_loop_frame);
- afr_sh_data_lock (frame, this, 0, 0, _gf_true,
+ afr_sh_data_lock (frame, this, 0, 0, _gf_true, this->name,
afr_post_sh_big_lock_success,
afr_post_sh_big_lock_failure);
}
@@ -418,7 +448,7 @@ afr_sh_data_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
priv->children[child_index]->name, strerror (op_errno));
LOCK (&frame->lock);
{
- sh->op_failed = 1;
+ afr_set_self_heal_status (sh, AFR_SELF_HEAL_FAILED);
}
UNLOCK (&frame->lock);
if (sh->old_loop_frame)
@@ -428,7 +458,7 @@ afr_sh_data_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
call_count = afr_frame_return (frame);
if (call_count == 0) {
- if (sh->op_failed)
+ if (is_self_heal_failed (sh, AFR_CHECK_SPECIFIC))
afr_sh_data_fail (frame, this);
else
afr_sh_data_erase_pending (frame, this);
@@ -604,7 +634,7 @@ afr_sh_data_trim_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local->loc.path,
priv->children[child_index]->name,
strerror (op_errno));
- sh->op_failed = 1;
+ afr_set_self_heal_status (sh, AFR_SELF_HEAL_FAILED);
} else {
gf_log (this->name, GF_LOG_DEBUG,
"ftruncate of %s on subvolume %s completed",
@@ -617,7 +647,7 @@ afr_sh_data_trim_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
call_count = afr_frame_return (frame);
if (call_count == 0) {
- if (sh->op_failed)
+ if (is_self_heal_failed (sh, AFR_CHECK_SPECIFIC))
afr_sh_data_fail (frame, this);
else
afr_sh_data_sync_prepare (frame, this);
@@ -697,6 +727,199 @@ out:
return ret;
}
+char*
+afr_get_sizes_str (afr_local_t *local, struct iatt *bufs, xlator_t *this)
+{
+ afr_private_t *priv = NULL;
+ int i = 0;
+ char num[1024] = {0};
+ size_t len = 0;
+ char *sizes_str = NULL;
+ size_t off = 0;
+ char *fmt_str = "%llu bytes on %s, ";
+ char *child_down = " %s,";
+ char *child_unknown = " %s,";
+ int down_child_present = 0;
+ int down_count = 0;
+ int unknown_count = 0;
+ int unknown_child_present = 0;
+ char *down_subvol_1 = " down subvolume is ";
+ char *unknown_subvol_1 = " unknown subvolume is ";
+ char *down_subvol_2 = " down subvolumes are ";
+ char *unknown_subvol_2 = " unknown subvolumes are ";
+
+ priv = this->private;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i] == 1) {
+ len += snprintf (num, sizeof (num), fmt_str,
+ (unsigned long long) bufs[i].ia_size,
+ priv->children[i]->name);
+ } else if (local->child_up[i] == 0) {
+ len += snprintf (num, sizeof (num), child_down,
+ priv->children[i]->name);
+ if (!down_child_present)
+ down_child_present = 1;
+ down_count ++;
+ } else if (local->child_up[i] == -1) {
+ len += snprintf (num, sizeof (num), child_unknown,
+ priv->children[i]->name);
+ if (!unknown_child_present)
+ unknown_child_present = 1;
+ unknown_count++;
+ }
+
+ }
+
+ if (down_child_present) {
+ if (down_count > 1)
+ len += snprintf (num, sizeof (num), "%s",
+ down_subvol_2);
+ else
+ len += snprintf (num, sizeof (num), "%s",
+ down_subvol_1);
+ }
+ if (unknown_child_present) {
+ if (unknown_count > 1)
+ len += snprintf (num, sizeof (num), "%s",
+ unknown_subvol_2);
+ else
+ len += snprintf (num, sizeof (num), "%s",
+ unknown_subvol_1);
+ }
+
+ len++;//for '\0'
+
+ sizes_str = GF_CALLOC (len, sizeof (char), gf_common_mt_char);
+
+ if (!sizes_str)
+ return NULL;
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i] == 1) {
+ off += snprintf (sizes_str + off, len - off, fmt_str,
+ (unsigned long long) bufs[i].ia_size,
+ priv->children[i]->name);
+ }
+ }
+
+ if (down_child_present) {
+ if (down_count > 1) {
+ off += snprintf (sizes_str + off, len - off, "%s",
+ down_subvol_2);
+ } else {
+ off += snprintf (sizes_str + off, len - off, "%s",
+ down_subvol_1);
+ }
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i] == 0) {
+ off += snprintf (sizes_str + off, len - off, child_down,
+ priv->children[i]->name);
+ }
+ }
+
+ if (unknown_child_present) {
+ if (unknown_count > 1) {
+ off += snprintf (sizes_str + off, len - off, "%s",
+ unknown_subvol_2);
+ } else {
+ off += snprintf (sizes_str + off, len - off, "%s",
+ unknown_subvol_1);
+ }
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (local->child_up[i] == -1) {
+ off += snprintf (sizes_str + off, len - off,
+ child_unknown,
+ priv->children[i]->name);
+
+ }
+ }
+
+ return sizes_str;
+}
+
+char*
+afr_get_sinks_str (xlator_t *this, afr_local_t *local, afr_self_heal_t *sh)
+{
+ afr_private_t *priv = NULL;
+ int i = 0;
+ char num[1024] = {0};
+ size_t len = 0;
+ char *sinks_str = NULL;
+ char *temp_str = " to sinks ";
+ char *str_format = " %s,";
+ char off = 0;
+
+ priv = this->private;
+
+ len += snprintf (num, sizeof (num), "%s", temp_str);
+ for (i = 0; i < priv->child_count; i++) {
+ if ((sh->sources[i] == 0) && (local->child_up[i] == 1)) {
+ len += snprintf (num, sizeof (num), str_format,
+ priv->children[i]->name);
+ }
+ }
+
+ len ++;
+
+ sinks_str = GF_CALLOC (len, sizeof (char), gf_common_mt_char);
+
+ if (!sinks_str)
+ return NULL;
+
+ off += snprintf (sinks_str + off, len - off, "%s", temp_str);
+
+ for (i = 0; i < priv->child_count; i++) {
+ if ((sh->sources[i] == 0) && (local->child_up[i] == 1)) {
+ off += snprintf (sinks_str + off, len - off,
+ str_format,
+ priv->children[i]->name);
+ }
+ }
+
+ return sinks_str;
+
+}
+
+
+void
+afr_set_data_sh_info_str (afr_local_t *local, afr_self_heal_t *sh, xlator_t *this)
+{
+ char *pending_matrix_str = NULL;
+ char *sizes_str = NULL;
+ char *sinks_str = NULL;
+ afr_private_t *priv = NULL;
+
+ priv = this->private;
+
+ pending_matrix_str = afr_get_pending_matrix_str (sh->pending_matrix,
+ this);
+ if (!pending_matrix_str)
+ pending_matrix_str = "";
+
+ sizes_str = afr_get_sizes_str (local, sh->buf, this);
+ if (!sizes_str)
+ sizes_str = "";
+
+ sinks_str = afr_get_sinks_str (this, local, sh);
+ if (!sinks_str)
+ sinks_str = "";
+
+ gf_asprintf (&sh->data_sh_info, " data self heal from %s %s with "
+ "%s data %s", priv->children[sh->source]->name, sinks_str,
+ sizes_str, pending_matrix_str);
+
+ if (pending_matrix_str && strcmp (pending_matrix_str, ""))
+ GF_FREE (pending_matrix_str);
+
+ if (sizes_str && strcmp (sizes_str, ""))
+ GF_FREE (sizes_str);
+}
+
void
afr_sh_data_fix (call_frame_t *frame, xlator_t *this)
{
@@ -718,7 +941,7 @@ afr_sh_data_fix (call_frame_t *frame, xlator_t *this)
if (sh->background && sh->unwind && !sh->unwound) {
sh->unwind (sh->orig_frame, this, sh->op_ret, sh->op_errno,
- sh->op_failed);
+ is_self_heal_failed (sh, AFR_CHECK_SPECIFIC));
sh->unwound = _gf_true;
}
@@ -737,6 +960,7 @@ afr_sh_data_fix (call_frame_t *frame, xlator_t *this)
sh->active_sinks);
sh->actual_sh_started = _gf_true;
+ afr_set_self_heal_status (sh, AFR_SELF_HEAL_SYNC_BEGIN);
afr_sh_data_trim_sinks (frame, this);
}
@@ -817,6 +1041,7 @@ afr_sh_data_fxattrop_fstat_done (call_frame_t *frame, xlator_t *this)
}
afr_sh_data_setattr (frame, this, &sh->buf[tstamp_source]);
} else {
+ afr_set_data_sh_info_str (local, sh, this);
if (nsources == 0) {
gf_log (this->name, GF_LOG_DEBUG,
"No self-heal needed for %s",
@@ -1174,6 +1399,22 @@ afr_sh_data_big_lock_success (call_frame_t *frame, xlator_t *this)
}
int
+afr_sh_dom_lock_success (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+
+ local = frame->local;
+ sh = &local->self_heal;
+
+ sh->sh_dom_lock_held = _gf_true;
+ afr_sh_data_lock (frame, this, 0, 0, _gf_true, this->name,
+ afr_sh_data_big_lock_success,
+ afr_sh_data_fail);
+ return 0;
+}
+
+int
afr_sh_data_post_blocking_inodelk_cbk (call_frame_t *frame, xlator_t *this)
{
afr_internal_lock_t *int_lock = NULL;
@@ -1237,9 +1478,11 @@ afr_sh_data_post_nonblocking_inodelk_cbk (call_frame_t *frame, xlator_t *this)
}
int
-afr_sh_data_lock_rec (call_frame_t *frame, xlator_t *this, off_t start, off_t len)
+afr_sh_data_lock_rec (call_frame_t *frame, xlator_t *this, char *dom,
+ off_t start, off_t len)
{
afr_internal_lock_t *int_lock = NULL;
+ afr_inodelk_t *inodelk = NULL;
afr_local_t *local = NULL;
local = frame->local;
@@ -1250,11 +1493,14 @@ afr_sh_data_lock_rec (call_frame_t *frame, xlator_t *this, off_t start, off_t le
afr_set_lock_number (frame, this);
- int_lock->lk_flock.l_start = start;
- int_lock->lk_flock.l_len = len;
- int_lock->lk_flock.l_type = F_WRLCK;
int_lock->lock_cbk = afr_sh_data_post_nonblocking_inodelk_cbk;
+ int_lock->domain = dom;
+ inodelk = afr_get_inodelk (int_lock, int_lock->domain);
+ inodelk->flock.l_start = start;
+ inodelk->flock.l_len = len;
+ inodelk->flock.l_type = F_WRLCK;
+
afr_nonblocking_inodelk (frame, this);
return 0;
@@ -1298,7 +1544,7 @@ afr_post_sh_big_lock_failure (call_frame_t *frame, xlator_t *this)
int
afr_sh_data_lock (call_frame_t *frame, xlator_t *this,
off_t start, off_t len, gf_boolean_t block,
- afr_lock_cbk_t success_handler,
+ char *dom, afr_lock_cbk_t success_handler,
afr_lock_cbk_t failure_handler)
{
afr_local_t * local = NULL;
@@ -1310,7 +1556,7 @@ afr_sh_data_lock (call_frame_t *frame, xlator_t *this,
sh->data_lock_success_handler = success_handler;
sh->data_lock_failure_handler = failure_handler;
sh->data_lock_block = block;
- return afr_sh_data_lock_rec (frame, this, start, len);
+ return afr_sh_data_lock_rec (frame, this, dom, start, len);
}
int
@@ -1322,7 +1568,6 @@ afr_sh_data_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
afr_private_t *priv = NULL;
int call_count = 0;
int child_index = 0;
- gf_boolean_t block = _gf_true;
local = frame->local;
sh = &local->self_heal;
@@ -1342,7 +1587,7 @@ afr_sh_data_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local->loc.path,
priv->children[child_index]->name,
strerror (op_errno));
- sh->op_failed = 1;
+ afr_set_self_heal_status (sh, AFR_SELF_HEAL_FAILED);
} else {
gf_log (this->name, GF_LOG_TRACE,
"open of %s succeeded on child %s",
@@ -1355,7 +1600,7 @@ afr_sh_data_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
call_count = afr_frame_return (frame);
if (call_count == 0) {
- if (sh->op_failed) {
+ if (is_self_heal_failed (sh, AFR_CHECK_SPECIFIC)) {
afr_sh_data_fail (frame, this);
return 0;
}
@@ -1364,15 +1609,8 @@ afr_sh_data_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
"fd for %s opened, commencing sync",
local->loc.path);
- /*
- * The read and write self-heal trigger codepaths do not provide
- * an unwind callback. We run a trylock in these codepaths
- * because we are sensitive to locking latency.
- */
- block = sh->unwind ? _gf_true : _gf_false;
- afr_sh_data_lock (frame, this, 0, 0, block,
- afr_sh_data_big_lock_success,
- afr_sh_data_fail);
+ afr_sh_data_lock (frame, this, 0, 0, _gf_true, priv->sh_domain,
+ afr_sh_dom_lock_success, afr_sh_data_fail);
}
return 0;
@@ -1477,18 +1715,31 @@ afr_can_start_data_self_heal (afr_self_heal_t *sh, afr_private_t *priv)
int
afr_self_heal_data (call_frame_t *frame, xlator_t *this)
{
- afr_local_t *local = NULL;
- afr_self_heal_t *sh = NULL;
- afr_private_t *priv = this->private;
+ afr_local_t *local = NULL;
+ afr_self_heal_t *sh = NULL;
+ afr_private_t *priv = this->private;
+ int ret = -1;
local = frame->local;
sh = &local->self_heal;
+ sh->sh_type_in_action = AFR_SELF_HEAL_DATA;
+
if (afr_can_start_data_self_heal (sh, priv)) {
+ afr_set_self_heal_status (sh, AFR_SELF_HEAL_STARTED);
+ ret = afr_inodelk_init (&local->internal_lock.inodelk[1],
+ priv->sh_domain, priv->child_count);
+ if (ret < 0) {
+ afr_set_self_heal_status (sh, AFR_SELF_HEAL_FAILED);
+ afr_sh_data_done (frame, this);
+ return 0;
+ }
+
if (IA_ISREG (sh->type)) {
afr_sh_data_open (frame, this);
} else {
afr_sh_data_lock (frame, this, 0, 0, _gf_true,
+ this->name,
afr_sh_non_reg_lock_success,
afr_sh_data_fail);
}
generated by cgit (git 2.34.1) at 2026-01-04 09:02:15 +0000