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Diffstat (limited to 'xlators/protocol/client/src/client-handshake.c')
-rw-r--r--xlators/protocol/client/src/client-handshake.c298
1 files changed, 296 insertions, 2 deletions
diff --git a/xlators/protocol/client/src/client-handshake.c b/xlators/protocol/client/src/client-handshake.c
index 3dec4900605..26aabfeec70 100644
--- a/xlators/protocol/client/src/client-handshake.c
+++ b/xlators/protocol/client/src/client-handshake.c
@@ -367,6 +367,300 @@ client_notify_parents_child_up (xlator_t *this)
}
int
+client3_1_reopen_cbk (struct rpc_req *req, struct iovec *iov, int count,
+ void *myframe)
+{
+ int32_t ret = -1;
+ gfs3_open_rsp rsp = {0,};
+ int attempt_lock_recovery = _gf_false;
+ uint64_t fd_count = 0;
+ clnt_local_t *local = NULL;
+ clnt_conf_t *conf = NULL;
+ clnt_fd_ctx_t *fdctx = NULL;
+ call_frame_t *frame = NULL;
+
+ frame = myframe;
+ local = frame->local;
+ conf = frame->this->private;
+
+ if (-1 == req->rpc_status) {
+ rsp.op_ret = -1;
+ rsp.op_errno = ENOTCONN;
+ goto out;
+ }
+
+ ret = xdr_to_open_rsp (*iov, &rsp);
+ if (ret < 0) {
+ gf_log ("", GF_LOG_ERROR, "error");
+ rsp.op_ret = -1;
+ rsp.op_errno = EINVAL;
+ goto out;
+ }
+
+ gf_log (frame->this->name, GF_LOG_DEBUG,
+ "reopen on %s returned %d (%"PRId64")",
+ local->loc.path, rsp.op_ret, rsp.fd);
+
+ if (rsp.op_ret == -1)
+ goto out;
+
+ fdctx = local->fdctx;
+
+ if (!fdctx)
+ goto out;
+
+ pthread_mutex_lock (&conf->lock);
+ {
+ fdctx->remote_fd = rsp.fd;
+ if (!fdctx->released) {
+ list_add_tail (&fdctx->sfd_pos, &conf->saved_fds);
+ if (!list_empty (&fdctx->lock_list))
+ attempt_lock_recovery = _gf_true;
+ fdctx = NULL;
+ }
+ }
+ pthread_mutex_unlock (&conf->lock);
+
+ attempt_lock_recovery = _gf_false; /* temporarily */
+
+ if (attempt_lock_recovery) {
+ ret = client_attempt_lock_recovery (frame->this, local->fdctx);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_DEBUG,
+ "No locks on fd to recover");
+ } else {
+ gf_log (frame->this->name, GF_LOG_DEBUG,
+ "Need to attempt lock recovery on %lld open fds",
+ (unsigned long long) fd_count);
+ }
+ } else {
+ fd_count = decrement_reopen_fd_count (frame->this, conf);
+ }
+
+
+out:
+ if (fdctx)
+ client_fdctx_destroy (frame->this, fdctx);
+
+ frame->local = NULL;
+ STACK_DESTROY (frame->root);
+
+ client_local_wipe (local);
+
+ return 0;
+}
+
+int
+client3_1_reopendir_cbk (struct rpc_req *req, struct iovec *iov, int count,
+ void *myframe)
+{
+ int32_t ret = -1;
+ gfs3_open_rsp rsp = {0,};
+ clnt_local_t *local = NULL;
+ clnt_conf_t *conf = NULL;
+ clnt_fd_ctx_t *fdctx = NULL;
+ call_frame_t *frame = NULL;
+
+ frame = myframe;
+ if (!frame || !frame->this)
+ goto out;
+
+ local = frame->local;
+ frame->local = NULL;
+ conf = frame->this->private;
+
+ if (-1 == req->rpc_status) {
+ rsp.op_ret = -1;
+ rsp.op_errno = ENOTCONN;
+ goto out;
+ }
+
+ ret = xdr_to_opendir_rsp (*iov, &rsp);
+ if (ret < 0) {
+ gf_log ("", GF_LOG_ERROR, "error");
+ rsp.op_ret = -1;
+ rsp.op_errno = EINVAL;
+ goto out;
+ }
+
+ gf_log (frame->this->name, GF_LOG_DEBUG,
+ "reopendir on %s returned %d (%"PRId64")",
+ local->loc.path, rsp.op_ret, rsp.fd);
+
+ if (-1 != rsp.op_ret) {
+ fdctx = local->fdctx;
+ if (fdctx) {
+ pthread_mutex_lock (&conf->lock);
+ {
+ fdctx->remote_fd = rsp.fd;
+
+ if (!fdctx->released) {
+ list_add_tail (&fdctx->sfd_pos, &conf->saved_fds);
+ fdctx = NULL;
+ }
+ }
+ pthread_mutex_unlock (&conf->lock);
+ }
+ }
+
+ decrement_reopen_fd_count (frame->this, conf);
+
+out:
+ if (fdctx)
+ client_fdctx_destroy (frame->this, fdctx);
+
+ if (frame) {
+ frame->local = NULL;
+ STACK_DESTROY (frame->root);
+ }
+
+ client_local_wipe (local);
+
+ return 0;
+}
+
+int
+protocol_client_reopendir (xlator_t *this, clnt_fd_ctx_t *fdctx)
+{
+ int ret = -1;
+ gfs3_opendir_req req = {{0,},};
+ clnt_local_t *local = NULL;
+ inode_t *inode = NULL;
+ char *path = NULL;
+ call_frame_t *frame = NULL;
+ clnt_conf_t *conf = NULL;
+
+ if (!this || !fdctx)
+ goto out;
+
+ inode = fdctx->inode;
+ conf = this->private;
+
+ ret = inode_path (inode, NULL, &path);
+ if (ret < 0) {
+ goto out;
+ }
+
+ local = GF_CALLOC (1, sizeof (*local), gf_client_mt_clnt_local_t);
+ if (!local) {
+ goto out;
+ }
+
+ local->fdctx = fdctx;
+ local->loc.path = path;
+ path = NULL;
+
+ frame = create_frame (this, this->ctx->pool);
+ if (!frame) {
+ goto out;
+ }
+
+ memcpy (req.gfid, inode->gfid, 16);
+ req.path = (char *)local->loc.path;
+
+ gf_log (frame->this->name, GF_LOG_DEBUG,
+ "attempting reopen on %s", local->loc.path);
+
+ frame->local = local; local = NULL;
+
+ ret = client_submit_request (this, &req, frame, conf->fops,
+ GFS3_OP_OPENDIR,
+ client3_1_reopendir_cbk, NULL,
+ xdr_from_opendir_req, NULL, 0, NULL, 0,
+ NULL);
+ if (ret)
+ goto out;
+
+ return ret;
+
+out:
+ if (frame) {
+ frame->local = NULL;
+ STACK_DESTROY (frame->root);
+ }
+
+ if (local)
+ client_local_wipe (local);
+
+ if (path)
+ GF_FREE (path);
+
+ return 0;
+
+}
+
+int
+protocol_client_reopen (xlator_t *this, clnt_fd_ctx_t *fdctx)
+{
+ int ret = -1;
+ gfs3_open_req req = {{0,},};
+ clnt_local_t *local = NULL;
+ inode_t *inode = NULL;
+ char *path = NULL;
+ call_frame_t *frame = NULL;
+ clnt_conf_t *conf = NULL;
+
+ if (!this || !fdctx)
+ goto out;
+
+ inode = fdctx->inode;
+ conf = this->private;
+
+ ret = inode_path (inode, NULL, &path);
+ if (ret < 0) {
+ goto out;
+ }
+
+ frame = create_frame (this, this->ctx->pool);
+ if (!frame) {
+ goto out;
+ }
+
+ local = GF_CALLOC (1, sizeof (*local), gf_client_mt_clnt_local_t);
+ if (!local) {
+ goto out;
+ }
+
+ local->fdctx = fdctx;
+ local->loc.path = path;
+ path = NULL;
+ frame->local = local;
+
+ memcpy (req.gfid, inode->gfid, 16);
+ req.flags = gf_flags_from_flags (fdctx->flags);
+ req.wbflags = fdctx->wbflags;
+ req.path = (char *)local->loc.path;
+
+ gf_log (frame->this->name, GF_LOG_DEBUG,
+ "attempting reopen on %s", local->loc.path);
+
+ local = NULL;
+ ret = client_submit_request (this, &req, frame, conf->fops,
+ GFS3_OP_OPEN, client3_1_reopen_cbk, NULL,
+ xdr_from_open_req, NULL, 0, NULL, 0, NULL);
+ if (ret)
+ goto out;
+
+ return ret;
+
+out:
+ if (frame) {
+ frame->local = NULL;
+ STACK_DESTROY (frame->root);
+ }
+
+ if (local)
+ client_local_wipe (local);
+
+ if (path)
+ GF_FREE (path);
+
+ return 0;
+
+}
+
+
+int
client_post_handshake (call_frame_t *frame, xlator_t *this)
{
clnt_conf_t *conf = NULL;
@@ -399,7 +693,7 @@ client_post_handshake (call_frame_t *frame, xlator_t *this)
/* Delay notifying CHILD_UP to parents
until all locks are recovered */
if (count > 0) {
- gf_log (this->name, GF_LOG_TRACE,
+ gf_log (this->name, GF_LOG_INFO,
"%d fds open - Delaying child_up until they are re-opened",
count);
client_save_number_fds (conf, count);
@@ -413,7 +707,7 @@ client_post_handshake (call_frame_t *frame, xlator_t *this)
protocol_client_reopen (this, fdctx);
}
} else {
- gf_log (this->name, GF_LOG_TRACE,
+ gf_log (this->name, GF_LOG_DEBUG,
"No open fds - notifying all parents child up");
client_notify_parents_child_up (this);
generated by cgit (git 2.34.1) at 2025-11-04 02:07:07 +0000