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authorAmar Tumballi <amar@gluster.com>2010-10-14 02:34:31 +0000
committerAnand V. Avati <avati@dev.gluster.com>2010-10-24 22:43:20 -0700
commit1e1f97a89cdd454bcfbf158ae7520932bacb1aa1 (patch)
tree53e755f5e8200b442e0459dc897190730aef45de /xlators/protocol
parent44b27f7ec27173c5d12c12aa3947cc1f409d8c1f (diff)
client: move reopen{,dir} code to handshake file
and minor log level changes Signed-off-by: Amar Tumballi <amar@gluster.com> Signed-off-by: Anand V. Avati <avati@dev.gluster.com> BUG: 875 (Implement a new protocol to provide proper backward/forward compatibility) URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=875
Diffstat (limited to 'xlators/protocol')
-rw-r--r--xlators/protocol/client/src/client-handshake.c298
-rw-r--r--xlators/protocol/client/src/client-helpers.c1
-rw-r--r--xlators/protocol/client/src/client-lk.c2
-rw-r--r--xlators/protocol/client/src/client.h3
-rw-r--r--xlators/protocol/client/src/client3_1-fops.c308
5 files changed, 300 insertions, 312 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);
diff --git a/xlators/protocol/client/src/client-helpers.c b/xlators/protocol/client/src/client-helpers.c
index 8c90fd9a961..4dd51257b6e 100644
--- a/xlators/protocol/client/src/client-helpers.c
+++ b/xlators/protocol/client/src/client-helpers.c
@@ -25,6 +25,7 @@
#include "client.h"
#include "fd.h"
+
clnt_fd_ctx_t *
this_fd_del_ctx (fd_t *file, xlator_t *this)
{
diff --git a/xlators/protocol/client/src/client-lk.c b/xlators/protocol/client/src/client-lk.c
index 386af4a07eb..ee595225735 100644
--- a/xlators/protocol/client/src/client-lk.c
+++ b/xlators/protocol/client/src/client-lk.c
@@ -614,7 +614,7 @@ decrement_reopen_fd_count (xlator_t *this, clnt_conf_t *conf)
if (fd_count == 0) {
gf_log (this->name, GF_LOG_DEBUG,
- "All locks healed on the last fd - notifying CHILDUP");
+ "last fd open'd/lock-self-heal'd - notifying CHILD-UP");
client_notify_parents_child_up (this);
}
diff --git a/xlators/protocol/client/src/client.h b/xlators/protocol/client/src/client.h
index 39dfc36ea89..e353bb68a57 100644
--- a/xlators/protocol/client/src/client.h
+++ b/xlators/protocol/client/src/client.h
@@ -99,7 +99,6 @@ typedef struct client_local {
uint32_t flags;
uint32_t wbflags;
struct iobref *iobref;
- fop_cbk_fn_t op;
client_posix_lock_t *client_lock;
uint64_t owner;
@@ -178,4 +177,6 @@ int client_notify_parents_child_up (xlator_t *this);
int32_t is_client_dump_locks_cmd (char *name);
int32_t client_dump_locks (char *name, inode_t *inode,
dict_t *dict);
+int client_fdctx_destroy (xlator_t *this, clnt_fd_ctx_t *fdctx);
+
#endif /* !_CLIENT_H */
diff --git a/xlators/protocol/client/src/client3_1-fops.c b/xlators/protocol/client/src/client3_1-fops.c
index 6c48421f413..6d20e342961 100644
--- a/xlators/protocol/client/src/client3_1-fops.c
+++ b/xlators/protocol/client/src/client3_1-fops.c
@@ -276,11 +276,6 @@ client3_1_open_cbk (struct rpc_req *req, struct iovec *iov, int count,
frame = myframe;
local = frame->local;
- if (local->op) {
- local->op (req, iov, 1, myframe);
- return 0;
- }
-
frame->local = NULL;
conf = frame->this->private;
fd = local->fd;
@@ -1777,11 +1772,6 @@ client3_1_opendir_cbk (struct rpc_req *req, struct iovec *iov, int count,
frame = myframe;
local = frame->local;
- if (local->op) {
- local->op (req, iov, 1, myframe);
- return 0;
- }
-
frame->local = NULL;
conf = frame->this->private;
fd = local->fd;
@@ -2046,304 +2036,6 @@ out:
return ret;
}
-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->op = client3_1_reopendir_cbk;
- 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_opendir_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->op = client3_1_reopen_cbk;
- 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_open_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;
-
-}
-
-
-
int32_t
client3_1_releasedir (call_frame_t *frame, xlator_t *this,
void *data)