diff options
Diffstat (limited to 'xlators/cluster/nsr-server/src/nsr-internal.h')
| -rw-r--r-- | xlators/cluster/nsr-server/src/nsr-internal.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/xlators/cluster/nsr-server/src/nsr-internal.h b/xlators/cluster/nsr-server/src/nsr-internal.h new file mode 100644 index 000000000..72b61bfa5 --- /dev/null +++ b/xlators/cluster/nsr-server/src/nsr-internal.h @@ -0,0 +1,101 @@ +/* + Copyright (c) 2013 Red Hat, Inc. <http://www.redhat.com> + This file is part of GlusterFS. + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#include <sys/stat.h> +#include <sys/types.h> + +#define LEADER_XATTR "user.nsr.leader" +#define SECOND_CHILD(xl) (xl->children->next->xlator) + +enum { + gf_mt_nsr_private_t = gf_common_mt_end + 1, + gf_mt_nsr_fd_ctx_t, + gf_mt_nsr_inode_ctx_t, + gf_mt_nsr_dirty_t, + gf_mt_nsr_end +}; + +typedef enum nsr_recon_notify_ev_id_t { + NSR_RECON_SET_LEADER = 1, + NSR_RECON_ADD_CHILD = 2 +} nsr_recon_notify_ev_id_t; + +typedef struct _nsr_recon_notify_ev_s { + nsr_recon_notify_ev_id_t id; + uint32_t index; // in case of add + struct list_head list; +} nsr_recon_notify_ev_t; + +typedef struct { + char *etcd_servers; + char *subvol_uuid; + char *leader_key; + char *term_key; + char *brick_uuid; + gf_boolean_t leader; + uint8_t up_children; + uint8_t n_children; + char *vol_file; + etcd_session etcd; + volatile unsigned int fence_io; + uint32_t current_term; +#ifdef NSR_DEBUG + uint32_t leader_log_fd; +#endif + volatile int recon_notify_inited; + volatile int leader_inited; + uint32_t kid_state; + gf_lock_t dirty_lock; + struct list_head dirty_fds; + gf_boolean_t nsr_recon_start; + void * recon_ctx; + volatile uint32_t ops_in_flight; + uint32_t index; + gf_lock_t index_lock; + double quorum_pct; +} nsr_private_t; + +typedef struct { + call_stub_t *stub; + call_stub_t *qstub; + uint8_t call_count; + fd_t *fd; + struct list_head qlinks; +} nsr_local_t; + +/* + * This should match whatever changelog returns on the pre-op for us to pass + * when we're ready for our post-op. + */ +typedef uint32_t log_id_t; + +typedef struct { + struct list_head links; + log_id_t id; +} nsr_dirty_list_t; + +typedef struct { + fd_t *fd; + struct list_head dirty_list; + struct list_head fd_list; +} nsr_fd_ctx_t; + +typedef struct { + gf_lock_t lock; + uint32_t active; + struct list_head aqueue; + uint32_t pending; + struct list_head pqueue; +} nsr_inode_ctx_t; + +void nsr_recon_notify_event_set_leader(nsr_private_t *priv); +void nsr_recon_notify_event_add_child(nsr_private_t *priv, uint32_t index); +void* nsr_recon_notify_thread (void *this); + |