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comments: misc updates

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Miscellaneous clarifications to comments.
This commit is contained in:
Alasdair G Kergon 2012-08-07 18:34:30 +01:00
parent 016997acaf
commit 4dab0d3175
4 changed files with 11 additions and 10 deletions
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6
doc/example.conf.in
View File

@ -86,9 +86,9 @@ devices {
# It is safe to delete the contents: the tools regenerate it.
# (The old setting 'cache' is still respected if neither of
# these new ones is present.)
# N.B. This type of caching is obsolete and existing .cache
# file is removed if the list of devices is obtained from
# udev by setting the obtain_device_list_from_udev to 1.
# N.B. If obtain_device_list_from_udev is set to 1 the list of
# devices is instead obtained from udev and any existing .cache
# file is removed.
cache_dir = "@DEFAULT_SYS_DIR@/@DEFAULT_CACHE_SUBDIR@"
cache_file_prefix = ""

1
lib/mm/memlock.c
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@ -131,6 +131,7 @@ static void _allocate_memory(void)
((_size_stack * 2) < limit.rlim_cur) &&
((stack_mem = alloca(_size_stack))))
_touch_memory(stack_mem, _size_stack);
/* FIXME else warn user setting got ignored */
if ((temp_malloc_mem = malloc(_size_malloc_tmp)))
_touch_memory(temp_malloc_mem, _size_malloc_tmp);

6
libdm/libdevmapper.h
View File

@ -650,8 +650,8 @@ typedef enum {
DM_THIN_MESSAGE_CREATE_THIN, /* device_id */
DM_THIN_MESSAGE_DELETE, /* device_id */
DM_THIN_MESSAGE_SET_TRANSACTION_ID, /* current_id, new_id */
DM_THIN_MESSAGE_RESERVE_METADATA_SNAP, /* 1.1 */
DM_THIN_MESSAGE_RELEASE_METADATA_SNAP, /* 1.1 */
DM_THIN_MESSAGE_RESERVE_METADATA_SNAP, /* target version >= 1.1 */
DM_THIN_MESSAGE_RELEASE_METADATA_SNAP, /* target version >= 1.1 */
} dm_thin_message_t;
int dm_tree_node_add_thin_pool_message(struct dm_tree_node *node,
@ -663,7 +663,7 @@ int dm_tree_node_add_thin_pool_message(struct dm_tree_node *node,
* ignore - Disable discard support
* no_passdown - Don't pass discard down to underlaying data device,
* just remove the mapping
* Feature is available for 1.1
* Feature is available since version 1.1 of the thin target.
*/
int dm_tree_node_set_thin_pool_discard(struct dm_tree_node *node,
unsigned ignore,

8
libdm/libdm-deptree.c
View File

@ -192,8 +192,8 @@ struct load_segment {
uint64_t low_water_mark; /* Thin_pool */
uint32_t data_block_size; /* Thin_pool */
unsigned skip_block_zeroing; /* Thin_pool */
unsigned ignore_discard; /* Thin_pool 1.1 */
unsigned no_discard_passdown; /* Thin_pool 1.1 */
unsigned ignore_discard; /* Thin_pool target vsn 1.1 */
unsigned no_discard_passdown; /* Thin_pool target vsn 1.1 */
uint32_t device_id; /* Thin */
};
@ -1411,10 +1411,10 @@ static int _thin_pool_node_message(struct dm_tree_node *dnode, struct thin_messa
m->u.m_set_transaction_id.current_id,
m->u.m_set_transaction_id.new_id);
break;
case DM_THIN_MESSAGE_RESERVE_METADATA_SNAP: /* 1.1 */
case DM_THIN_MESSAGE_RESERVE_METADATA_SNAP: /* target vsn 1.1 */
r = dm_snprintf(buf, sizeof(buf), "reserve_metadata_snap");
break;
case DM_THIN_MESSAGE_RELEASE_METADATA_SNAP: /* 1.1 */
case DM_THIN_MESSAGE_RELEASE_METADATA_SNAP: /* target vsn 1.1 */
r = dm_snprintf(buf, sizeof(buf), "release_metadata_snap");
break;
default: