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Commit | Line | Data |
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549e9569 NB |
1 | |
2 | enum array_state { clear, inactive, suspended, readonly, read_auto, | |
3 | clean, active, write_pending, active_idle, bad_word}; | |
4 | ||
5 | enum sync_action { idle, reshape, resync, recover, check, repair, bad_action }; | |
6 | ||
7 | ||
8 | struct active_array { | |
9 | struct mdinfo info; | |
10 | struct supertype *container; | |
11 | struct active_array *next, *replaces; | |
12 | ||
13 | int action_fd; | |
c052ba30 | 14 | int resync_start_fd; |
549e9569 NB |
15 | |
16 | enum array_state prev_state, curr_state, next_state; | |
17 | enum sync_action prev_action, curr_action, next_action; | |
18 | ||
6c3fb95c NB |
19 | int check_degraded; /* flag set by mon, read by manage */ |
20 | ||
549e9569 NB |
21 | int devnum; |
22 | ||
c052ba30 | 23 | unsigned long long resync_start; |
549e9569 NB |
24 | }; |
25 | ||
2e735d19 NB |
26 | /* |
27 | * Metadata updates are handled by the monitor thread, | |
28 | * as it has exclusive access to the metadata. | |
29 | * When the manager want to updates metadata, either | |
30 | * for it's own reason (e.g. committing a spare) or | |
31 | * on behalf of mdadm, it creates a metadata_update | |
32 | * structure and queues it to the monitor. | |
33 | * Updates are created and processed by code under the | |
34 | * superswitch. All common code sees them as opaque | |
35 | * blobs. | |
36 | */ | |
37 | struct metadata_update { | |
38 | int len; | |
39 | char *buf; | |
40 | void *space; /* allocated space that monitor will use */ | |
41 | struct metadata_update *next; | |
42 | }; | |
43 | extern struct metadata_update *update_queue, *update_queue_handled; | |
549e9569 NB |
44 | |
45 | #define MD_MAJOR 9 | |
46 | ||
47 | extern struct active_array *container; | |
549e9569 NB |
48 | extern struct active_array *discard_this; |
49 | extern struct active_array *pending_discard; | |
3e70c845 | 50 | extern struct md_generic_cmd *active_cmd; |
549e9569 NB |
51 | |
52 | ||
e0d6609f | 53 | void remove_pidfile(char *devname); |
549e9569 NB |
54 | void do_monitor(struct supertype *container); |
55 | void do_manager(struct supertype *container); | |
56 | ||
57 | int read_dev_state(int fd); | |
58 | ||
59 | struct mdstat_ent *mdstat_read(int hold, int start); | |
60 | ||
61 | extern struct superswitch super_ddf, super_ddf_bvd, super_ddf_svd; | |
e0d6609f NB |
62 | |
63 | extern int exit_now, manager_ready; |