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-rw-r--r--xlators/cluster/afr/src/afr-common.c697
1 files changed, 203 insertions, 494 deletions
diff --git a/xlators/cluster/afr/src/afr-common.c b/xlators/cluster/afr/src/afr-common.c
index 48b4c1a42..af01f2ef2 100644
--- a/xlators/cluster/afr/src/afr-common.c
+++ b/xlators/cluster/afr/src/afr-common.c
@@ -51,7 +51,7 @@
#define AFR_ICTX_OPENDIR_DONE_MASK 0x0000000100000000ULL
#define AFR_ICTX_READ_CHILD_MASK 0x00000000FFFFFFFFULL
-
+#define AFR_STATISTICS_HISTORY_SIZE 50
int
afr_lookup_done_success_action (call_frame_t *frame, xlator_t *this,
gf_boolean_t fail_conflict);
@@ -779,6 +779,12 @@ afr_local_sh_cleanup (afr_local_t *local, xlator_t *this)
sh = &local->self_heal;
priv = this->private;
+ if (sh->data_sh_info && strcmp (sh->data_sh_info, ""))
+ GF_FREE (sh->data_sh_info);
+
+ if (sh->metadata_sh_info && strcmp (sh->metadata_sh_info, ""))
+ GF_FREE (sh->metadata_sh_info);
+
GF_FREE (sh->buf);
GF_FREE (sh->parentbufs);
@@ -1074,6 +1080,88 @@ afr_update_loc_gfids (loc_t *loc, struct iatt *buf, struct iatt *postparent)
uuid_copy (loc->pargfid, postparent->ia_gfid);
}
+/*
+ * Quota size xattrs are not maintained by afr. There is a
+ * possibility that they differ even when both the directory changelog xattrs
+ * suggest everything is fine. So if there is at least one 'source' check among
+ * the sources which has the maximum quota size. Otherwise check among all the
+ * available ones for maximum quota size. This way if there is a source and
+ * stale copies it always votes for the 'source'.
+ * */
+
+static void
+afr_handle_quota_size (afr_local_t *local, xlator_t *this,
+ dict_t *rsp_dict)
+{
+ int32_t *sources = NULL;
+ dict_t *xattr = NULL;
+ data_t *max_data = NULL;
+ int64_t max_quota_size = -1;
+ data_t *data = NULL;
+ int64_t *size = NULL;
+ int64_t quota_size = -1;
+ afr_private_t *priv = NULL;
+ int i = 0;
+ int ret = -1;
+ gf_boolean_t source_present = _gf_false;
+
+ priv = this->private;
+ sources = local->cont.lookup.sources;
+
+ if (rsp_dict == NULL) {
+ gf_log_callingfn (this->name, GF_LOG_ERROR, "%s: Invalid "
+ "response dictionary", local->loc.path);
+ return;
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ if (sources[i]) {
+ source_present = _gf_true;
+ break;
+ }
+ }
+
+ for (i = 0; i < priv->child_count; i++) {
+ /*
+ * If there is at least one source lets check
+ * for maximum quota sizes among sources, otherwise take the
+ * maximum of the ones present to be on the safer side.
+ */
+ if (source_present && !sources[i])
+ continue;
+
+ xattr = local->cont.lookup.xattrs[i];
+ if (!xattr)
+ continue;
+
+ data = dict_get (xattr, QUOTA_SIZE_KEY);
+ if (!data)
+ continue;
+
+ size = (int64_t*)data->data;
+ quota_size = ntoh64(*size);
+ gf_log (this->name, GF_LOG_DEBUG, "%s: %d, size: %"PRId64,
+ local->loc.path, i, quota_size);
+ if (quota_size > max_quota_size) {
+ if (max_data)
+ data_unref (max_data);
+
+ max_quota_size = quota_size;
+ max_data = data_ref (data);
+ }
+ }
+
+ if (max_data) {
+ ret = dict_set (rsp_dict, QUOTA_SIZE_KEY, max_data);
+ if (ret) {
+ gf_log (this->name, GF_LOG_ERROR, "%s: Failed to set "
+ "quota size", local->loc.path);
+ }
+
+ data_unref (max_data);
+ }
+}
+
int
afr_lookup_build_response_params (afr_local_t *local, xlator_t *this)
{
@@ -1118,13 +1206,18 @@ afr_lookup_build_response_params (afr_local_t *local, xlator_t *this)
ret = -1;
goto out;
}
+
gf_log (this->name, GF_LOG_DEBUG, "Building lookup response from %d",
read_child);
if (!*xattr)
*xattr = dict_ref (local->cont.lookup.xattrs[read_child]);
+
*buf = local->cont.lookup.bufs[read_child];
*postparent = local->cont.lookup.postparents[read_child];
+ if (dict_get (local->xattr_req, QUOTA_SIZE_KEY))
+ afr_handle_quota_size (local, this, *xattr);
+
if (IA_INVAL == local->cont.lookup.inode->ia_type) {
/* fix for RT #602 */
local->cont.lookup.inode->ia_type = buf->ia_type;
@@ -1739,7 +1832,8 @@ afr_lookup_perform_self_heal (call_frame_t *frame, xlator_t *this,
afr_lookup_set_self_heal_params (local, this);
if (afr_can_self_heal_proceed (&local->self_heal, priv)) {
- if (afr_is_transaction_running (local))
+ if (afr_is_transaction_running (local) &&
+ (!local->allow_sh_for_running_transaction))
goto out;
reason = "lookup detected pending operations";
@@ -2334,7 +2428,7 @@ afr_lookup (call_frame_t *frame, xlator_t *this,
int call_count = 0;
uint64_t ctx = 0;
int32_t op_errno = 0;
-
+ int allow_sh = 0;
priv = this->private;
AFR_LOCAL_ALLOC_OR_GOTO (local, out);
@@ -2351,6 +2445,13 @@ afr_lookup (call_frame_t *frame, xlator_t *this,
goto out;
}
+ if (local->loc.path &&
+ (strcmp (local->loc.path, "/" GF_REPLICATE_TRASH_DIR) == 0)) {
+ op_errno = EPERM;
+ ret = -1;
+ goto out;
+ }
+
ret = inode_ctx_get (local->loc.inode, this, &ctx);
if (ret == 0) {
/* lookup is a revalidate */
@@ -2399,6 +2500,11 @@ afr_lookup (call_frame_t *frame, xlator_t *this,
/* By default assume ENOTCONN. On success it will be set to 0. */
local->op_errno = ENOTCONN;
+ ret = dict_get_int32 (xattr_req, "allow-sh-for-running-transaction",
+ &allow_sh);
+ dict_del (xattr_req, "allow-sh-for-running-transaction");
+ local->allow_sh_for_running_transaction = allow_sh;
+
ret = afr_lookup_xattr_req_prepare (local, this, xattr_req, &local->loc,
&gfid_req);
if (ret) {
@@ -2582,9 +2688,11 @@ afr_flush_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
int i = 0;
afr_local_t *local = NULL;
afr_private_t *priv = NULL;
+ int call_count = -1;
priv = this->private;
local = frame->local;
+ call_count = local->call_count;
for (i = 0; i < priv->child_count; i++) {
if (local->child_up[i]) {
@@ -2593,6 +2701,9 @@ afr_flush_wrapper (call_frame_t *frame, xlator_t *this, fd_t *fd, dict_t *xdata)
priv->children[i],
priv->children[i]->fops->flush,
local->fd, NULL);
+ if (!--call_count)
+ break;
+
}
}
@@ -2739,13 +2850,13 @@ afr_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
local->op_ret = 0;
if (local->success_count == 0) {
- local->cont.fsync.prebuf = *prebuf;
- local->cont.fsync.postbuf = *postbuf;
+ local->cont.inode_wfop.prebuf = *prebuf;
+ local->cont.inode_wfop.postbuf = *postbuf;
}
if (child_index == read_child) {
- local->cont.fsync.prebuf = *prebuf;
- local->cont.fsync.postbuf = *postbuf;
+ local->cont.inode_wfop.prebuf = *prebuf;
+ local->cont.inode_wfop.postbuf = *postbuf;
}
local->success_count++;
@@ -2769,8 +2880,9 @@ afr_fsync_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
*/
stub = fop_fsync_cbk_stub (frame, afr_fsync_unwind_cbk,
local->op_ret, local->op_errno,
- &local->cont.fsync.prebuf,
- &local->cont.fsync.postbuf, xdata);
+ &local->cont.inode_wfop.prebuf,
+ &local->cont.inode_wfop.postbuf,
+ xdata);
if (!stub) {
AFR_STACK_UNWIND (fsync, frame, -1, ENOMEM, 0, 0, 0);
return 0;
@@ -2842,491 +2954,6 @@ out:
/* }}} */
-/* {{{ fallocate */
-
-static int
-afr_fallocate_unwind (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
-
- LOCK (&frame->lock);
- {
- if (local->transaction.main_frame)
- main_frame = local->transaction.main_frame;
- local->transaction.main_frame = NULL;
- }
- UNLOCK (&frame->lock);
-
- if (main_frame) {
- AFR_STACK_UNWIND (fallocate, main_frame, local->op_ret,
- local->op_errno,
- &local->cont.fallocate.prebuf,
- &local->cont.fallocate.postbuf,
- NULL);
- }
- return 0;
-}
-
-static int
-afr_fallocate_wind_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
-{
- afr_local_t * local = NULL;
- afr_private_t * priv = NULL;
- int child_index = (long) cookie;
- int call_count = -1;
- int need_unwind = 0;
- int read_child = 0;
-
- local = frame->local;
- priv = this->private;
-
- read_child = afr_inode_get_read_ctx (this, local->fd->inode, NULL);
-
- LOCK (&frame->lock);
- {
- if (child_index == read_child) {
- local->read_child_returned = _gf_true;
- }
-
- if (afr_fop_failed (op_ret, op_errno))
- afr_transaction_fop_failed (frame, this, child_index);
-
- if (op_ret != -1) {
- if (local->success_count == 0) {
- local->op_ret = op_ret;
- local->cont.fallocate.prebuf = *prebuf;
- local->cont.fallocate.postbuf = *postbuf;
- }
-
- if (child_index == read_child) {
- local->cont.fallocate.prebuf = *prebuf;
- local->cont.fallocate.postbuf = *postbuf;
- }
-
- local->success_count++;
-
- if ((local->success_count >= priv->wait_count)
- && local->read_child_returned) {
- need_unwind = 1;
- }
- }
- local->op_errno = op_errno;
- }
- UNLOCK (&frame->lock);
-
- if (need_unwind)
- local->transaction.unwind (frame, this);
-
- call_count = afr_frame_return (frame);
-
- if (call_count == 0) {
- local->transaction.resume (frame, this);
- }
-
- return 0;
-}
-
-static int
-afr_fallocate_wind (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = -1;
- int i = 0;
-
- local = frame->local;
- priv = this->private;
-
- call_count = afr_pre_op_done_children_count (local->transaction.pre_op,
- priv->child_count);
-
- if (call_count == 0) {
- local->transaction.resume (frame, this);
- return 0;
- }
-
- local->call_count = call_count;
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.pre_op[i]) {
- STACK_WIND_COOKIE (frame, afr_fallocate_wind_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->fallocate,
- local->fd,
- local->cont.fallocate.mode,
- local->cont.fallocate.offset,
- local->cont.fallocate.len,
- NULL);
-
- if (!--call_count)
- break;
- }
- }
-
- return 0;
-}
-
-static int
-afr_fallocate_done (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
-
- local = frame->local;
-
- local->transaction.unwind (frame, this);
-
- AFR_STACK_DESTROY (frame);
-
- return 0;
-}
-
-static int
-afr_do_fallocate(call_frame_t *frame, xlator_t *this)
-{
- call_frame_t * transaction_frame = NULL;
- afr_local_t * local = NULL;
- int op_ret = -1;
- int op_errno = 0;
-
- local = frame->local;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame) {
- goto out;
- }
-
- transaction_frame->local = local;
- frame->local = NULL;
-
- local->op = GF_FOP_FALLOCATE;
-
- local->transaction.fop = afr_fallocate_wind;
- local->transaction.done = afr_fallocate_done;
- local->transaction.unwind = afr_fallocate_unwind;
-
- local->transaction.main_frame = frame;
-
- local->transaction.start = local->cont.fallocate.offset;
- local->transaction.len = 0;
-
- /* fallocate can modify the file size */
- op_ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
- if (op_ret < 0) {
- op_errno = -op_ret;
- goto out;
- }
-
- op_ret = 0;
-out:
- if (op_ret < 0) {
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
- AFR_STACK_UNWIND (fallocate, frame, op_ret, op_errno, NULL,
- NULL, NULL);
- }
-
- return 0;
-}
-
-int
-afr_fallocate(call_frame_t *frame, xlator_t *this, fd_t *fd, int32_t mode,
- off_t offset, size_t len, dict_t *xdata)
-{
- afr_private_t * priv = NULL;
- afr_local_t * local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = 0;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
-
- priv = this->private;
-
- if (afr_is_split_brain (this, fd->inode)) {
- op_errno = EIO;
- goto out;
- }
- QUORUM_CHECK(fallocate,out);
-
- AFR_LOCAL_ALLOC_OR_GOTO (frame->local, out);
- local = frame->local;
-
- ret = afr_local_init (local, priv, &op_errno);
- if (ret < 0)
- goto out;
-
- local->cont.fallocate.mode = mode;
- local->cont.fallocate.offset = offset;
- local->cont.fallocate.len = len;
-
- local->fd = fd_ref (fd);
-
- afr_open_fd_fix (fd, this);
-
- afr_do_fallocate (frame, this);
-
- ret = 0;
-out:
- if (ret < 0) {
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
- AFR_STACK_UNWIND (fallocate, frame, -1, op_errno, NULL, NULL, NULL);
- }
-
- return 0;
-}
-
-/* }}} */
-
-/* {{{ discard */
-
-static int
-afr_discard_unwind (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t * local = NULL;
- call_frame_t *main_frame = NULL;
-
- local = frame->local;
-
- LOCK (&frame->lock);
- {
- if (local->transaction.main_frame)
- main_frame = local->transaction.main_frame;
- local->transaction.main_frame = NULL;
- }
- UNLOCK (&frame->lock);
-
- if (main_frame) {
- AFR_STACK_UNWIND (discard, main_frame, local->op_ret,
- local->op_errno,
- &local->cont.discard.prebuf,
- &local->cont.discard.postbuf,
- NULL);
- }
- return 0;
-}
-
-static int
-afr_discard_wind_cbk(call_frame_t *frame, void *cookie, xlator_t *this,
- int32_t op_ret, int32_t op_errno, struct iatt *prebuf,
- struct iatt *postbuf, dict_t *xdata)
-{
- afr_local_t * local = NULL;
- afr_private_t * priv = NULL;
- int child_index = (long) cookie;
- int call_count = -1;
- int need_unwind = 0;
- int read_child = 0;
-
- local = frame->local;
- priv = this->private;
-
- read_child = afr_inode_get_read_ctx (this, local->fd->inode, NULL);
-
- LOCK (&frame->lock);
- {
- if (child_index == read_child) {
- local->read_child_returned = _gf_true;
- }
-
- if (afr_fop_failed (op_ret, op_errno))
- afr_transaction_fop_failed (frame, this, child_index);
-
- if (op_ret != -1) {
- if (local->success_count == 0) {
- local->op_ret = op_ret;
- local->cont.discard.prebuf = *prebuf;
- local->cont.discard.postbuf = *postbuf;
- }
-
- if (child_index == read_child) {
- local->cont.discard.prebuf = *prebuf;
- local->cont.discard.postbuf = *postbuf;
- }
-
- local->success_count++;
-
- if ((local->success_count >= priv->wait_count)
- && local->read_child_returned) {
- need_unwind = 1;
- }
- }
- local->op_errno = op_errno;
- }
- UNLOCK (&frame->lock);
-
- if (need_unwind)
- local->transaction.unwind (frame, this);
-
- call_count = afr_frame_return (frame);
-
- if (call_count == 0) {
- local->transaction.resume (frame, this);
- }
-
- return 0;
-}
-
-static int
-afr_discard_wind (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
- afr_private_t *priv = NULL;
- int call_count = -1;
- int i = 0;
-
- local = frame->local;
- priv = this->private;
-
- call_count = afr_pre_op_done_children_count (local->transaction.pre_op,
- priv->child_count);
-
- if (call_count == 0) {
- local->transaction.resume (frame, this);
- return 0;
- }
-
- local->call_count = call_count;
-
- for (i = 0; i < priv->child_count; i++) {
- if (local->transaction.pre_op[i]) {
- STACK_WIND_COOKIE (frame, afr_discard_wind_cbk,
- (void *) (long) i,
- priv->children[i],
- priv->children[i]->fops->discard,
- local->fd,
- local->cont.discard.offset,
- local->cont.discard.len,
- NULL);
-
- if (!--call_count)
- break;
- }
- }
-
- return 0;
-}
-
-static int
-afr_discard_done (call_frame_t *frame, xlator_t *this)
-{
- afr_local_t *local = NULL;
-
- local = frame->local;
-
- local->transaction.unwind (frame, this);
-
- AFR_STACK_DESTROY (frame);
-
- return 0;
-}
-
-static int
-afr_do_discard(call_frame_t *frame, xlator_t *this)
-{
- call_frame_t * transaction_frame = NULL;
- afr_local_t * local = NULL;
- int op_ret = -1;
- int op_errno = 0;
-
- local = frame->local;
-
- transaction_frame = copy_frame (frame);
- if (!transaction_frame) {
- goto out;
- }
-
- transaction_frame->local = local;
- frame->local = NULL;
-
- local->op = GF_FOP_DISCARD;
-
- local->transaction.fop = afr_discard_wind;
- local->transaction.done = afr_discard_done;
- local->transaction.unwind = afr_discard_unwind;
-
- local->transaction.main_frame = frame;
-
- local->transaction.start = local->cont.discard.offset;
- local->transaction.len = 0;
-
- op_ret = afr_transaction (transaction_frame, this, AFR_DATA_TRANSACTION);
- if (op_ret < 0) {
- op_errno = -op_ret;
- goto out;
- }
-
- op_ret = 0;
-out:
- if (op_ret < 0) {
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
- AFR_STACK_UNWIND (discard, frame, op_ret, op_errno, NULL,
- NULL, NULL);
- }
-
- return 0;
-}
-
-int
-afr_discard(call_frame_t *frame, xlator_t *this, fd_t *fd, off_t offset,
- size_t len, dict_t *xdata)
-{
- afr_private_t * priv = NULL;
- afr_local_t * local = NULL;
- call_frame_t *transaction_frame = NULL;
- int ret = -1;
- int op_errno = 0;
-
- VALIDATE_OR_GOTO (frame, out);
- VALIDATE_OR_GOTO (this, out);
- VALIDATE_OR_GOTO (this->private, out);
-
- priv = this->private;
-
- if (afr_is_split_brain (this, fd->inode)) {
- op_errno = EIO;
- goto out;
- }
- QUORUM_CHECK(discard, out);
-
- AFR_LOCAL_ALLOC_OR_GOTO (frame->local, out);
- local = frame->local;
-
- ret = afr_local_init (local, priv, &op_errno);
- if (ret < 0)
- goto out;
-
- local->cont.discard.offset = offset;
- local->cont.discard.len = len;
-
- local->fd = fd_ref (fd);
-
- afr_open_fd_fix (fd, this);
-
- afr_do_discard(frame, this);
-
- ret = 0;
-out:
- if (ret < 0) {
- if (transaction_frame)
- AFR_STACK_DESTROY (transaction_frame);
- AFR_STACK_UNWIND (discard, frame, -1, op_errno, NULL, NULL, NULL);
- }
-
- return 0;
-}
-
-/* }}} */
-
/* {{{ fsync */
int32_t
@@ -4472,6 +4099,8 @@ afr_local_init (afr_local_t *local, afr_private_t *priv, int32_t *op_errno)
goto out;
}
+ local->append_write = _gf_false;
+
ret = 0;
out:
return ret;
@@ -4802,6 +4431,16 @@ afr_priv_destroy (afr_private_t *priv)
if (priv->shd.split_brain)
eh_destroy (priv->shd.split_brain);
+ for (i = 0; i < priv->child_count; i++)
+ {
+ if (priv->shd.statistics[i])
+ eh_destroy (priv->shd.statistics[i]);
+ }
+
+ GF_FREE (priv->shd.statistics);
+
+ GF_FREE (priv->shd.crawl_events);
+
GF_FREE (priv->last_event);
if (priv->pending_key) {
for (i = 0; i < priv->child_count; i++)
@@ -4880,3 +4519,73 @@ afr_is_fd_fixable (fd_t *fd)
return _gf_true;
}
+
+void
+afr_handle_open_fd_count (call_frame_t *frame, xlator_t *this)
+{
+ afr_local_t *local = NULL;
+ inode_t *inode = NULL;
+ afr_inode_ctx_t *ctx = NULL;
+
+ local = frame->local;
+
+ if (local->fd)
+ inode = local->fd->inode;
+ else
+ inode = local->loc.inode;
+
+ if (!inode)
+ return;
+
+ LOCK (&inode->lock);
+ {
+ ctx = __afr_inode_ctx_get (inode, this);
+ ctx->open_fd_count = local->open_fd_count;
+ }
+ UNLOCK (&inode->lock);
+}
+
+int
+afr_initialise_statistics (xlator_t *this)
+{
+ afr_private_t *priv = NULL;
+ int ret = -1;
+ int i = 0;
+ int child_count = 0;
+ eh_t *stats_per_brick = NULL;
+ shd_crawl_event_t ***shd_crawl_events = NULL;
+ priv = this->private;
+
+ priv->shd.statistics = GF_CALLOC (sizeof(eh_t *), priv->child_count,
+ gf_common_mt_eh_t);
+ if (!priv->shd.statistics) {
+ ret = -1;
+ goto out;
+ }
+ child_count = priv->child_count;
+ for (i=0; i < child_count ; i++) {
+ stats_per_brick = eh_new (AFR_STATISTICS_HISTORY_SIZE,
+ _gf_false,
+ _destroy_crawl_event_data);
+ if (!stats_per_brick) {
+ ret = -1;
+ goto out;
+ }
+ priv->shd.statistics[i] = stats_per_brick;
+
+ }
+
+ shd_crawl_events = (shd_crawl_event_t***)(&priv->shd.crawl_events);
+ *shd_crawl_events = GF_CALLOC (sizeof(shd_crawl_event_t*),
+ priv->child_count,
+ gf_afr_mt_shd_crawl_event_t);
+
+ if (!priv->shd.crawl_events) {
+ ret = -1;
+ goto out;
+ }
+ ret = 0;
+out:
+ return ret;
+
+}