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scoutfs-utils: add lock clients btree

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Show the lock client btree entries in print.

Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2019-04-12 10:54:20 -07:00
committed by Zach Brown
parent 4c611474e8
commit 3d64c46fcd
2 changed files with 39 additions and 0 deletions
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utils/src/format.h
+19
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@@ -272,6 +272,14 @@ struct scoutfs_extent_btree_key {
__be64 minor;
} __packed;
/*
* The lock server keeps a persistent record of connected clients so that
* server failover knows who to wait for before resuming operations.
*/
struct scoutfs_lock_client_btree_key {
__be64 node_id;
} __packed;
/*
* The max number of links defines the max number of entries that we can
* index in o(log n) and the static list head storage size in the
@@ -456,6 +464,7 @@ struct scoutfs_super_block {
struct scoutfs_btree_root alloc_root;
struct scoutfs_manifest manifest;
struct scoutfs_quorum_config quorum_config;
struct scoutfs_btree_root lock_clients;
} __packed;
#define SCOUTFS_ROOT_INO 1
@@ -642,6 +651,7 @@ enum {
SCOUTFS_NET_CMD_STATFS,
SCOUTFS_NET_CMD_COMPACT,
SCOUTFS_NET_CMD_LOCK,
SCOUTFS_NET_CMD_LOCK_RECOVER,
SCOUTFS_NET_CMD_FAREWELL,
SCOUTFS_NET_CMD_UNKNOWN,
};
@@ -768,6 +778,15 @@ struct scoutfs_net_lock {
__u8 new_mode;
} __packed;
struct scoutfs_net_lock_recover {
__le16 nr;
struct scoutfs_net_lock locks[0];
} __packed;
#define SCOUTFS_NET_LOCK_MAX_RECOVER_NR \
((SCOUTFS_NET_MAX_DATA_LEN - sizeof(struct scoutfs_net_lock_recover)) /\
sizeof(struct scoutfs_net_lock))
/* some enums for tracing */
enum {
SLT_CLIENT,