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path: root/xlators/protocol/client/src/client3_1-fops.c
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Diffstat (limited to 'xlators/protocol/client/src/client3_1-fops.c')
-rw-r--r--xlators/protocol/client/src/client3_1-fops.c172
1 files changed, 140 insertions, 32 deletions
diff --git a/xlators/protocol/client/src/client3_1-fops.c b/xlators/protocol/client/src/client3_1-fops.c
index 69f264697..c3add8fd3 100644
--- a/xlators/protocol/client/src/client3_1-fops.c
+++ b/xlators/protocol/client/src/client3_1-fops.c
@@ -313,6 +313,7 @@ client3_1_open_cbk (struct rpc_req *req, struct iovec *iov, int count,
fdctx->wbflags = local->wbflags;
INIT_LIST_HEAD (&fdctx->sfd_pos);
+ INIT_LIST_HEAD (&fdctx->lock_list);
this_fd_set_ctx (fd, frame->this, &local->loc, fdctx);
@@ -605,10 +606,14 @@ client3_1_flush_cbk (struct rpc_req *req, struct iovec *iov, int count,
void *myframe)
{
call_frame_t *frame = NULL;
+ clnt_local_t *local = NULL;
+ xlator_t *this = NULL;
gf_common_rsp rsp = {0,};
int ret = 0;
frame = myframe;
+ this = THIS;
+ local = frame->local;
if (-1 == req->rpc_status) {
rsp.op_ret = -1;
@@ -623,6 +628,18 @@ client3_1_flush_cbk (struct rpc_req *req, struct iovec *iov, int count,
goto out;
}
+ if (rsp.op_ret >= 0) {
+ /* Delete all saved locks of the owner issuing flush */
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Attempting to delete locks of owner=%llu",
+ (long long unsigned) local->owner);
+ delete_granted_locks_owner (local->fd, local->owner);
+ }
+
+ frame->local = NULL;
+ if (local)
+ client_local_wipe (local);
+
out:
STACK_UNWIND_STRICT (flush, frame, rsp.op_ret,
gf_error_to_errno (rsp.op_errno));
@@ -1442,6 +1459,7 @@ client3_1_create_cbk (struct rpc_req *req, struct iovec *iov, int count,
fdctx->flags = local->flags;
INIT_LIST_HEAD (&fdctx->sfd_pos);
+ INIT_LIST_HEAD (&fdctx->lock_list);
this_fd_set_ctx (fd, frame->this, &local->loc, fdctx);
@@ -1506,12 +1524,14 @@ int
client3_1_lk_cbk (struct rpc_req *req, struct iovec *iov, int count,
void *myframe)
{
- call_frame_t *frame = NULL;
- struct flock lock = {0,};
- gfs3_lk_rsp rsp = {0,};
- int ret = 0;
+ call_frame_t *frame = NULL;
+ clnt_local_t *local = NULL;
+ struct flock lock = {0,};
+ gfs3_lk_rsp rsp = {0,};
+ int ret = 0;
frame = myframe;
+ local = frame->local;
if (-1 == req->rpc_status) {
rsp.op_ret = -1;
@@ -1531,6 +1551,20 @@ client3_1_lk_cbk (struct rpc_req *req, struct iovec *iov, int count,
gf_flock_to_flock (&rsp.flock, &lock);
}
+ /* Save the lock to the client lock cache to be able
+ to recover in the case of server reboot.*/
+ if (local->cmd == F_SETLK || local->cmd == F_SETLKW) {
+ ret = client_add_lock_for_recovery (local->fd, &lock,
+ local->owner, local->cmd);
+ if (ret < 0) {
+ rsp.op_ret = -1;
+ rsp.op_errno = -ret;
+ }
+ }
+
+ frame->local = NULL;
+ client_local_wipe (local);
+
out:
STACK_UNWIND_STRICT (lk, frame, rsp.op_ret,
gf_error_to_errno (rsp.op_errno), &lock);
@@ -1777,6 +1811,7 @@ client3_1_opendir_cbk (struct rpc_req *req, struct iovec *iov, int count,
fdctx->is_dir = 1;
INIT_LIST_HEAD (&fdctx->sfd_pos);
+ INIT_LIST_HEAD (&fdctx->lock_list);
this_fd_set_ctx (fd, frame->this, &local->loc, fdctx);
@@ -2014,12 +2049,14 @@ 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,};
- clnt_local_t *local = NULL;
- clnt_conf_t *conf = NULL;
- clnt_fd_ctx_t *fdctx = NULL;
- call_frame_t *frame = NULL;
+ 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;
@@ -2052,6 +2089,7 @@ client3_1_reopen_cbk (struct rpc_req *req, struct iovec *iov, int count,
if (!fdctx->released) {
list_add_tail (&fdctx->sfd_pos, &conf->saved_fds);
+ attempt_lock_recovery = _gf_true;
fdctx = NULL;
}
}
@@ -2060,6 +2098,20 @@ client3_1_reopen_cbk (struct rpc_req *req, struct iovec *iov, int count,
}
}
+ 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 {
+ fd_count = decrement_reopen_fd_count (frame->this, conf);
+ gf_log (frame->this->name, GF_LOG_DEBUG,
+ "Need to attempt lock recovery on %lld open fds",
+ (unsigned long long) fd_count);
+
+ }
+ }
+
out:
if (fdctx)
client_fdctx_destroy (frame->this, fdctx);
@@ -2380,6 +2432,9 @@ client3_1_release (call_frame_t *frame, xlator_t *this,
if (remote_fd != -1) {
req.fd = remote_fd;
req.gfs_id = GFS3_OP_RELEASE;
+
+ delete_granted_locks_fd (fdctx);
+
ret = client_submit_request (this, &req, frame, conf->fops,
GFS3_OP_RELEASE,
client3_1_release_cbk, NULL,
@@ -3468,7 +3523,6 @@ unwind:
}
-
int32_t
client3_1_flush (call_frame_t *frame, xlator_t *this,
void *data)
@@ -3477,8 +3531,9 @@ client3_1_flush (call_frame_t *frame, xlator_t *this,
gfs3_flush_req req = {0,};
clnt_fd_ctx_t *fdctx = NULL;
clnt_conf_t *conf = NULL;
+ clnt_local_t *local = NULL;
int op_errno = ESTALE;
- int ret = 0;
+ int ret = 0;
if (!frame || !this || !data)
goto unwind;
@@ -3507,6 +3562,21 @@ client3_1_flush (call_frame_t *frame, xlator_t *this,
goto unwind;
}
+ conf = this->private;
+
+ local = GF_CALLOC (1, sizeof (*local), gf_client_mt_clnt_local_t);
+ if (!local) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Out of Memory");
+ STACK_UNWIND (frame, -1, ENOMEM);
+ return 0;
+
+ }
+
+ local->fd = fd_ref (args->fd);
+ local->owner = frame->root->lk_owner;
+ frame->local = local;
+
req.fd = fdctx->remote_fd;
req.gfs_id = GFS3_OP_FLUSH;
@@ -4012,16 +4082,23 @@ client3_1_getxattr (call_frame_t *frame, xlator_t *this,
clnt_conf_t *conf = NULL;
clnt_args_t *args = NULL;
gfs3_getxattr_req req = {0,};
+ dict_t *dict = NULL;
int ret = 0;
+ int32_t op_ret = 0;
int op_errno = ESTALE;
- if (!frame || !this || !data)
+ if (!frame || !this || !data) {
+ op_ret = -1;
+ op_errno = 0;
goto unwind;
-
+ }
args = data;
- if (!(args->loc && args->loc->inode))
+ if (!(args->loc && args->loc->inode)) {
+ op_ret = -1;
+ op_errno = EINVAL;
goto unwind;
+ }
memcpy (req.gfid, args->loc->inode->gfid, 16);
req.namelen = 1; /* Use it as a flag */
@@ -4035,19 +4112,42 @@ client3_1_getxattr (call_frame_t *frame, xlator_t *this,
conf = this->private;
+ if (args && args->name) {
+ if (is_client_dump_locks_cmd ((char *)args->name)) {
+ ret = client_dump_locks ((char *)args->name,
+ args->loc->inode,
+ dict);
+ if (ret) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "Client dump locks failed");
+ op_ret = -1;
+ op_errno = EINVAL;
+ }
+
+ GF_ASSERT (dict);
+ op_ret = 0;
+ op_errno = 0;
+ goto unwind;
+ }
+ }
+
ret = client_submit_request (this, &req, frame, conf->fops,
GFS3_OP_GETXATTR,
client3_1_getxattr_cbk, NULL,
xdr_from_getxattr_req, NULL, 0,
NULL, 0, NULL);
if (ret) {
+ op_ret = -1;
op_errno = ENOTCONN;
goto unwind;
}
return 0;
unwind:
- STACK_UNWIND_STRICT (getxattr, frame, -1, op_errno, NULL);
+ STACK_UNWIND_STRICT (getxattr, frame, op_ret, op_errno, NULL);
+ if (dict)
+ dict_unref (dict);
+
return 0;
}
@@ -4242,20 +4342,28 @@ int32_t
client3_1_lk (call_frame_t *frame, xlator_t *this,
void *data)
{
- clnt_args_t *args = NULL;
- gfs3_lk_req req = {0,};
- int32_t gf_cmd = 0;
- int32_t gf_type = 0;
- clnt_fd_ctx_t *fdctx = NULL;
- clnt_conf_t *conf = NULL;
- int op_errno = ESTALE;
- int ret = 0;
+ clnt_args_t *args = NULL;
+ gfs3_lk_req req = {0,};
+ int32_t gf_cmd = 0;
+ int32_t gf_type = 0;
+ clnt_fd_ctx_t *fdctx = NULL;
+ clnt_local_t *local = NULL;
+ clnt_conf_t *conf = NULL;
+ int op_errno = ESTALE;
+ int ret = 0;
if (!frame || !this || !data)
goto unwind;
args = data;
conf = this->private;
+ local = GF_CALLOC (1, sizeof (*local), gf_client_mt_clnt_local_t);
+ if (!local) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Out of memory");
+ op_errno = ENOMEM;
+ goto unwind;
+ }
pthread_mutex_lock (&conf->lock);
{
@@ -4278,16 +4386,11 @@ client3_1_lk (call_frame_t *frame, xlator_t *this,
goto unwind;
}
- if (args->cmd == F_GETLK || args->cmd == F_GETLK64)
- gf_cmd = GF_LK_GETLK;
- else if (args->cmd == F_SETLK || args->cmd == F_SETLK64)
- gf_cmd = GF_LK_SETLK;
- else if (args->cmd == F_SETLKW || args->cmd == F_SETLKW64)
- gf_cmd = GF_LK_SETLKW;
- else {
+ ret = client_cmd_to_gf_cmd (args->cmd, &gf_cmd);
+ if (ret) {
+ op_errno = EINVAL;
gf_log (this->name, GF_LOG_DEBUG,
"Unknown cmd (%d)!", gf_cmd);
- goto unwind;
}
switch (args->flock->l_type) {
@@ -4302,6 +4405,11 @@ client3_1_lk (call_frame_t *frame, xlator_t *this,
break;
}
+ local->owner = frame->root->lk_owner;
+ local->cmd = args->cmd;
+ local->fd = fd_ref (args->fd);
+ frame->local = local;
+
req.fd = fdctx->remote_fd;
req.cmd = gf_cmd;
req.type = gf_type;