feature/leases : fixing bugs found while testing glfs_test.t

Change-Id: Iee8f431601ecda184108a079f665e05902b0f78b
updates: #350
Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com>
This commit is contained in:
Jiffin Tony Thottan 2018-04-27 15:22:50 +05:30 committed by Poornima G
parent b04066721b
commit 15866ac977
3 changed files with 56 additions and 14 deletions

View File

@ -263,7 +263,7 @@ out:
static inline gf_boolean_t
__is_same_lease_id (const char *k1, const char *k2)
{
if (memcmp(k1, k2, LEASE_ID_SIZE) == 0)
if (memcmp(k1, k2, strlen(k1)) == 0)
return _gf_true;
return _gf_false;
@ -642,7 +642,7 @@ __remove_lease (xlator_t *this, inode_t *inode, lease_inode_ctx_t *lease_ctx,
leaseid_utoa (lease->lease_id));
lease_entry = __get_lease_id_entry (lease_ctx, lease->lease_id);
if (!lease_entry) {
if (!lease_entry || !(lease_entry->lease_type & lease->lease_type)) {
gf_msg (this->name, GF_LOG_INFO, 0, LEASE_MSG_INVAL_UNLK_LEASE,
"Got unlock lease request from client:%s, but has no "
"corresponding lock", client_uid);
@ -666,7 +666,7 @@ __remove_lease (xlator_t *this, inode_t *inode, lease_inode_ctx_t *lease_ctx,
if (lease_entry->lease_cnt == 0) {
if (__is_clnt_lease_none (client_uid, lease_ctx)) {
gf_msg_debug (this->name, 0, "Client(%s) has no leases"
gf_msg_trace (this->name, 0, "Client(%s) has no leases"
" on gfid (%s), hence removing the inode"
" from the client cleanup list",
client_uid, uuid_utoa (inode->gfid));
@ -725,7 +725,8 @@ __is_lease_grantable (xlator_t *this, lease_inode_ctx_t *lease_ctx,
* the same lease id is not checked for conflict, as it is
* lease id based lease.
*/
if (!__is_same_lease_id (fd_ctx->lease_id, lease->lease_id)) {
if (fd_ctx->client_uid != NULL
&& !__is_same_lease_id (fd_ctx->lease_id, lease->lease_id)) {
fd_count++;
flags |= iter_fd->flags;
}
@ -801,8 +802,7 @@ do_blocked_fops (xlator_t *this, lease_inode_ctx_t *lease_ctx)
pthread_mutex_unlock (&lease_ctx->lock);
gf_msg_trace (this->name, 0, "Executing the blocked stubs on gfid(%s)",
uuid_utoa (lease_ctx->inode->gfid));
uuid_utoa (lease_ctx->inode->gfid));
list_for_each_entry_safe (blk_fop, tmp, &wind_list, list) {
list_del_init (&blk_fop->list);
gf_msg_trace (this->name, 0, "Executing fop:%d", blk_fop->stub->fop);
@ -1085,7 +1085,7 @@ check_lease_conflict (call_frame_t *frame, inode_t *inode,
gf_boolean_t is_blocking_fop = _gf_false;
gf_boolean_t is_write_fop = _gf_false;
gf_boolean_t conflicts = _gf_false;
int ret = -1;
int ret = WIND_FOP;
lease_ctx = lease_ctx_get (inode, frame->this);
if (!lease_ctx) {

View File

@ -872,9 +872,11 @@ int
leases_flush (call_frame_t *frame, xlator_t *this,
fd_t *fd, dict_t *xdata)
{
uint32_t fop_flags = 0;
char *lease_id = NULL;
int ret = 0;
uint32_t fop_flags = 0;
char *lease_id = NULL;
int ret = 0;
lease_fd_ctx_t *fd_ctx = NULL;
uint64_t ctx = 0;
EXIT_IF_LEASES_OFF (this, out);
@ -895,6 +897,26 @@ block:
return 0;
out:
/* *
* currently release is not called after the close fop from the
* application. Hence lease fd ctx is resetted on here.
* This is actually not the right way, since flush can be called
* not only from the close op.
* TODO :
* - Either identify the flush is called from close call on fd from
* from the application.
* OR
* - Find why release is not called post the last close call
*/
ret = fd_ctx_get (fd, this, &ctx);
if (ret == 0) {
fd_ctx = (lease_fd_ctx_t *)(long)ctx;
if (fd_ctx->client_uid) {
GF_FREE (fd_ctx->client_uid);
fd_ctx->client_uid = NULL;
}
memset (fd_ctx->lease_id, 0, LEASE_ID_SIZE);
}
STACK_WIND (frame, leases_flush_cbk, FIRST_CHILD(this),
FIRST_CHILD(this)->fops->flush, fd, xdata);
return 0;
@ -1065,8 +1087,30 @@ leases_forget (xlator_t *this, inode_t *inode)
static int
leases_release (xlator_t *this, fd_t *fd)
{
/* TODO:cleanup fd_ctx */
return 0;
int ret = -1;
uint64_t tmp = 0;
lease_fd_ctx_t *fd_ctx = NULL;
if (fd == NULL) {
goto out;
}
gf_log (this->name, GF_LOG_TRACE,
"Releasing all leases with fd %p", fd);
ret = fd_ctx_del (fd, this, &tmp);
if (ret) {
gf_log (this->name, GF_LOG_DEBUG,
"Could not get fdctx");
goto out;
}
fd_ctx = (lease_fd_ctx_t *)(long)tmp;
if (fd_ctx)
GF_FREE (fd_ctx);
out:
return ret;
}
static int

View File

@ -200,11 +200,9 @@ server4_lease_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
uuid_utoa (state->resolve.gfid),
STACK_CLIENT_NAME (frame->root),
STACK_ERR_XL_NAME (frame->root));
goto out;
}
server4_post_lease (&rsp, lease);
out:
rsp.op_ret = op_ret;
rsp.op_errno = gf_errno_to_error (op_errno);