diff options
Diffstat (limited to 'fs/dlm/dlm_internal.h')
| -rw-r--r-- | fs/dlm/dlm_internal.h | 62 |
1 files changed, 43 insertions, 19 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index bc342f7ac3af..9d3e485f88c8 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -55,8 +55,6 @@ struct dlm_lkb; struct dlm_rsb; struct dlm_member; struct dlm_rsbtable; -struct dlm_dirtable; -struct dlm_direntry; struct dlm_recover; struct dlm_header; struct dlm_message; @@ -98,18 +96,6 @@ do { \ } -struct dlm_direntry { - struct list_head list; - uint32_t master_nodeid; - uint16_t length; - char name[1]; -}; - -struct dlm_dirtable { - struct list_head list; - spinlock_t lock; -}; - struct dlm_rsbtable { struct rb_root keep; struct rb_root toss; @@ -283,6 +269,15 @@ struct dlm_lkb { }; }; +/* + * res_master_nodeid is "normal": 0 is unset/invalid, non-zero is the real + * nodeid, even when nodeid is our_nodeid. + * + * res_nodeid is "odd": -1 is unset/invalid, zero means our_nodeid, + * greater than zero when another nodeid. + * + * (TODO: remove res_nodeid and only use res_master_nodeid) + */ struct dlm_rsb { struct dlm_ls *res_ls; /* the lockspace */ @@ -291,6 +286,9 @@ struct dlm_rsb { unsigned long res_flags; int res_length; /* length of rsb name */ int res_nodeid; + int res_master_nodeid; + int res_dir_nodeid; + int res_id; /* for ls_recover_idr */ uint32_t res_lvbseq; uint32_t res_hash; uint32_t res_bucket; /* rsbtbl */ @@ -313,10 +311,21 @@ struct dlm_rsb { char res_name[DLM_RESNAME_MAXLEN+1]; }; +/* dlm_master_lookup() flags */ + +#define DLM_LU_RECOVER_DIR 1 +#define DLM_LU_RECOVER_MASTER 2 + +/* dlm_master_lookup() results */ + +#define DLM_LU_MATCH 1 +#define DLM_LU_ADD 2 + /* find_rsb() flags */ -#define R_MASTER 1 /* only return rsb if it's a master */ -#define R_CREATE 2 /* create/add rsb if not found */ +#define R_REQUEST 0x00000001 +#define R_RECEIVE_REQUEST 0x00000002 +#define R_RECEIVE_RECOVER 0x00000004 /* rsb_flags */ @@ -489,6 +498,13 @@ struct rcom_lock { char rl_lvb[0]; }; +/* + * The max number of resources per rsbtbl bucket that shrink will attempt + * to remove in each iteration. + */ + +#define DLM_REMOVE_NAMES_MAX 8 + struct dlm_ls { struct list_head ls_list; /* list of lockspaces */ dlm_lockspace_t *ls_local_handle; @@ -509,9 +525,6 @@ struct dlm_ls { struct dlm_rsbtable *ls_rsbtbl; uint32_t ls_rsbtbl_size; - struct dlm_dirtable *ls_dirtbl; - uint32_t ls_dirtbl_size; - struct mutex ls_waiters_mutex; struct list_head ls_waiters; /* lkbs needing a reply */ @@ -525,6 +538,12 @@ struct dlm_ls { int ls_new_rsb_count; struct list_head ls_new_rsb; /* new rsb structs */ + spinlock_t ls_remove_spin; + char ls_remove_name[DLM_RESNAME_MAXLEN+1]; + char *ls_remove_names[DLM_REMOVE_NAMES_MAX]; + int ls_remove_len; + int ls_remove_lens[DLM_REMOVE_NAMES_MAX]; + struct list_head ls_nodes; /* current nodes in ls */ struct list_head ls_nodes_gone; /* dead node list, recovery */ int ls_num_nodes; /* number of nodes in ls */ @@ -545,6 +564,7 @@ struct dlm_ls { struct dentry *ls_debug_waiters_dentry; /* debugfs */ struct dentry *ls_debug_locks_dentry; /* debugfs */ struct dentry *ls_debug_all_dentry; /* debugfs */ + struct dentry *ls_debug_toss_dentry; /* debugfs */ wait_queue_head_t ls_uevent_wait; /* user part of join/leave */ int ls_uevent_result; @@ -573,12 +593,16 @@ struct dlm_ls { struct mutex ls_requestqueue_mutex; struct dlm_rcom *ls_recover_buf; int ls_recover_nodeid; /* for debugging */ + unsigned int ls_recover_dir_sent_res; /* for log info */ + unsigned int ls_recover_dir_sent_msg; /* for log info */ unsigned int ls_recover_locks_in; /* for log info */ uint64_t ls_rcom_seq; spinlock_t ls_rcom_spin; struct list_head ls_recover_list; spinlock_t ls_recover_list_lock; int ls_recover_list_count; + struct idr ls_recover_idr; + spinlock_t ls_recover_idr_lock; wait_queue_head_t ls_wait_general; struct mutex ls_clear_proc_locks; |