dm_snapshot Struct Reference

Data Fields
struct rw_semaphore	lock
struct dm_dev *	origin
struct dm_dev *	cow
struct dm_target *	ti
struct list_head	list
int	valid
int	active
atomic_t	pending_exceptions_count
mempool_t *	pending_pool
struct dm_exception_table	pending
struct dm_exception_table	complete
spinlock_t	pe_lock
spinlock_t	tracked_chunk_lock
mempool_t *	tracked_chunk_pool
struct hlist_head	tracked_chunk_hash [DM_TRACKED_CHUNK_HASH_SIZE]
struct dm_exception_store *	store
struct dm_kcopyd_client *	kcopyd_client
unsigned long	state_bits
chunk_t	first_merging_chunk
int	num_merging_chunks
int	merge_failed
struct bio_list	bios_queued_during_merge

Detailed Description

Definition at line 47 of file dm-snap.c.

Field Documentation

int active

Definition at line 65 of file dm-snap.c.

struct bio_list bios_queued_during_merge

Definition at line 116 of file dm-snap.c.

struct dm_exception_table complete

Definition at line 72 of file dm-snap.c.

struct dm_dev* cow

Definition at line 51 of file dm-snap.c.

chunk_t first_merging_chunk

Definition at line 94 of file dm-snap.c.

struct dm_kcopyd_client* kcopyd_client

Definition at line 88 of file dm-snap.c.

struct list_head list

Definition at line 56 of file dm-snap.c.

struct rw_semaphore lock

Definition at line 48 of file dm-snap.c.

int merge_failed

Definition at line 110 of file dm-snap.c.

int num_merging_chunks

Definition at line 95 of file dm-snap.c.

struct dm_dev* origin

Definition at line 50 of file dm-snap.c.

spinlock_t pe_lock

Definition at line 78 of file dm-snap.c.

struct dm_exception_table pending

Definition at line 71 of file dm-snap.c.

atomic_t pending_exceptions_count

Definition at line 67 of file dm-snap.c.

mempool_t* pending_pool

Definition at line 69 of file dm-snap.c.

unsigned long state_bits

Definition at line 91 of file dm-snap.c.

struct dm_exception_store* store

Definition at line 86 of file dm-snap.c.

struct dm_target* ti

Definition at line 53 of file dm-snap.c.

struct hlist_head tracked_chunk_hash[DM_TRACKED_CHUNK_HASH_SIZE]

Definition at line 83 of file dm-snap.c.

spinlock_t tracked_chunk_lock

Definition at line 81 of file dm-snap.c.

mempool_t* tracked_chunk_pool

Definition at line 82 of file dm-snap.c.

int valid

Definition at line 62 of file dm-snap.c.

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The documentation for this struct was generated from the following file:

• drivers/md/dm-snap.c