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Diffstat (limited to 'fs/dlm/dlm_internal.h')
-rw-r--r--fs/dlm/dlm_internal.h62
1 files changed, 43 insertions, 19 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index bc342f7ac3a..9d3e485f88c 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;