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Code Releases Activity

cleanup: constify activation usage of lv pointer

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Let's enforce cheking of write access to LV by compiler.
Activation part does never need to write anything to LV
so keep LV pointer const.
This commit is contained in:
Zdenek Kabelac 2014-09-22 15:50:07 +02:00
parent af18e7cfbf
commit 84cdf85bd2
20 changed files with 120 additions and 114 deletions
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86
lib/activate/activate.c
View File

@ -108,7 +108,7 @@ int list_lv_modules(struct dm_pool *mem, const struct logical_volume *lv,
return 1;
}
static int _lv_passes_volumes_filter(struct cmd_context *cmd, struct logical_volume *lv,
static int _lv_passes_volumes_filter(struct cmd_context *cmd, const struct logical_volume *lv,
const struct dm_config_node *cn, const int cfg_id)
{
const struct dm_config_value *cv;
@ -248,7 +248,7 @@ int lv_info_by_lvid(struct cmd_context *cmd, const char *lvid_s, int use_layer,
{
return 0;
}
int lv_check_not_in_use(struct cmd_context *cmd, struct logical_volume *lv,
int lv_check_not_in_use(struct cmd_context *cmd, const struct logical_volume *lv,
struct lvinfo *info)
{
return 0;
@ -328,35 +328,35 @@ int lv_suspend(struct cmd_context *cmd, const char *lvid_s)
}
*******/
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, unsigned exclusive,
struct logical_volume *ondisk_lv, struct logical_volume *incore_lv)
const struct logical_volume *ondisk_lv, const struct logical_volume *incore_lv)
{
return 1;
}
int lv_resume(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, struct logical_volume *lv)
int lv_resume(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, const struct logical_volume *lv)
{
return 1;
}
int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only,
unsigned exclusive, unsigned revert, struct logical_volume *lv)
unsigned exclusive, unsigned revert, const struct logical_volume *lv)
{
return 1;
}
int lv_deactivate(struct cmd_context *cmd, const char *lvid_s, struct logical_volume *lv)
int lv_deactivate(struct cmd_context *cmd, const char *lvid_s, const struct logical_volume *lv)
{
return 1;
}
int lv_activation_filter(struct cmd_context *cmd, const char *lvid_s,
int *activate_lv, struct logical_volume *lv)
int *activate_lv, const struct logical_volume *lv)
{
return 1;
}
int lv_activate(struct cmd_context *cmd, const char *lvid_s, int exclusive, int noscan,
int temporary, struct logical_volume *lv)
int temporary, const struct logical_volume *lv)
{
return 1;
}
int lv_activate_with_filter(struct cmd_context *cmd, const char *lvid_s, int exclusive,
int noscan, int temporary, struct logical_volume *lv)
int noscan, int temporary, const struct logical_volume *lv)
{
return 1;
}
@ -405,7 +405,7 @@ int lv_check_transient(struct logical_volume *lv)
{
return 1;
}
int monitor_dev_for_events(struct cmd_context *cmd, struct logical_volume *lv,
int monitor_dev_for_events(struct cmd_context *cmd, const struct logical_volume *lv,
const struct lv_activate_opts *laopts, int monitor)
{
return 1;
@ -426,7 +426,7 @@ int device_is_usable(struct device *dev)
{
return 0;
}
int lv_has_target_type(struct dm_pool *mem, struct logical_volume *lv,
int lv_has_target_type(struct dm_pool *mem, const struct logical_volume *lv,
const char *layer, const char *target_type)
{
return 0;
@ -458,7 +458,7 @@ int activation(void)
}
static int _passes_activation_filter(struct cmd_context *cmd,
struct logical_volume *lv)
const struct logical_volume *lv)
{
const struct dm_config_node *cn;
@ -487,7 +487,7 @@ static int _passes_activation_filter(struct cmd_context *cmd,
}
static int _passes_readonly_filter(struct cmd_context *cmd,
struct logical_volume *lv)
const struct logical_volume *lv)
{
const struct dm_config_node *cn;
@ -695,7 +695,7 @@ int lv_info_by_lvid(struct cmd_context *cmd, const char *lvid_s, int use_layer,
#define OPEN_COUNT_CHECK_RETRIES 25
#define OPEN_COUNT_CHECK_USLEEP_DELAY 200000
int lv_check_not_in_use(struct cmd_context *cmd, struct logical_volume *lv,
int lv_check_not_in_use(struct cmd_context *cmd, const struct logical_volume *lv,
struct lvinfo *info)
{
unsigned int open_count_check_retries;
@ -1256,7 +1256,7 @@ static int _lv_active(struct cmd_context *cmd, const struct logical_volume *lv)
return info.exists;
}
static int _lv_open_count(struct cmd_context *cmd, struct logical_volume *lv)
static int _lv_open_count(struct cmd_context *cmd, const struct logical_volume *lv)
{
struct lvinfo info;
@ -1268,7 +1268,7 @@ static int _lv_open_count(struct cmd_context *cmd, struct logical_volume *lv)
return info.open_count;
}
static int _lv_activate_lv(struct logical_volume *lv, struct lv_activate_opts *laopts)
static int _lv_activate_lv(const struct logical_volume *lv, struct lv_activate_opts *laopts)
{
int r;
struct dev_manager *dm;
@ -1283,7 +1283,7 @@ static int _lv_activate_lv(struct logical_volume *lv, struct lv_activate_opts *l
return r;
}
static int _lv_preload(struct logical_volume *lv, struct lv_activate_opts *laopts,
static int _lv_preload(const struct logical_volume *lv, struct lv_activate_opts *laopts,
int *flush_required)
{
int r = 0;
@ -1305,7 +1305,7 @@ out:
return r;
}
static int _lv_deactivate(struct logical_volume *lv)
static int _lv_deactivate(const struct logical_volume *lv)
{
int r;
struct dev_manager *dm;
@ -1320,7 +1320,7 @@ static int _lv_deactivate(struct logical_volume *lv)
return r;
}
static int _lv_suspend_lv(struct logical_volume *lv, struct lv_activate_opts *laopts,
static int _lv_suspend_lv(const struct logical_volume *lv, struct lv_activate_opts *laopts,
int lockfs, int flush_required)
{
int r;
@ -1538,7 +1538,7 @@ char *get_monitor_dso_path(struct cmd_context *cmd, const char *libpath)
return path;
}
static char *_build_target_uuid(struct cmd_context *cmd, struct logical_volume *lv)
static char *_build_target_uuid(struct cmd_context *cmd, const struct logical_volume *lv)
{
const char *layer;
@ -1553,7 +1553,7 @@ static char *_build_target_uuid(struct cmd_context *cmd, struct logical_volume *
}
int target_registered_with_dmeventd(struct cmd_context *cmd, const char *dso,
struct logical_volume *lv, int *pending)
const struct logical_volume *lv, int *pending)
{
char *uuid;
enum dm_event_mask evmask = 0;
@ -1585,7 +1585,7 @@ int target_registered_with_dmeventd(struct cmd_context *cmd, const char *dso,
return evmask;
}
int target_register_events(struct cmd_context *cmd, const char *dso, struct logical_volume *lv,
int target_register_events(struct cmd_context *cmd, const char *dso, const struct logical_volume *lv,
int evmask __attribute__((unused)), int set, int timeout)
{
char *uuid;
@ -1621,7 +1621,7 @@ int target_register_events(struct cmd_context *cmd, const char *dso, struct logi
* Returns 0 if an attempt to (un)monitor the device failed.
* Returns 1 otherwise.
*/
int monitor_dev_for_events(struct cmd_context *cmd, struct logical_volume *lv,
int monitor_dev_for_events(struct cmd_context *cmd, const struct logical_volume *lv,
const struct lv_activate_opts *laopts, int monitor)
{
#ifdef DMEVENTD
@ -1796,7 +1796,7 @@ int monitor_dev_for_events(struct cmd_context *cmd, struct logical_volume *lv,
}
struct detached_lv_data {
struct logical_volume *lv_pre;
const struct logical_volume *lv_pre;
struct lv_activate_opts *laopts;
int *flush_required;
};
@ -1817,9 +1817,11 @@ static int _preload_detached_lv(struct logical_volume *lv, void *data)
static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
struct lv_activate_opts *laopts, int error_if_not_suspended,
struct logical_volume *ondisk_lv, struct logical_volume *incore_lv)
const struct logical_volume *ondisk_lv, const struct logical_volume *incore_lv)
{
struct logical_volume *pvmove_lv = NULL, *ondisk_lv_to_free = NULL, *incore_lv_to_free = NULL;
const struct logical_volume *pvmove_lv = NULL;
const struct logical_volume *ondisk_lv_to_free = NULL;
const struct logical_volume *incore_lv_to_free = NULL;
struct lv_list *lvl_pre;
struct seg_list *sl;
struct lv_segment *snap_seg;
@ -1903,7 +1905,7 @@ static int _lv_suspend(struct cmd_context *cmd, const char *lvid_s,
detached.laopts = laopts;
detached.flush_required = &flush_required;
if (!for_each_sub_lv(ondisk_lv, &_preload_detached_lv, &detached))
if (!for_each_sub_lv((struct logical_volume *)ondisk_lv, &_preload_detached_lv, &detached))
goto_out;
/*
@ -1986,7 +1988,8 @@ out:
*
* Returns success if the device is not active
*/
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, unsigned exclusive, struct logical_volume *ondisk_lv, struct logical_volume *incore_lv)
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, unsigned exclusive,
const struct logical_volume *ondisk_lv, const struct logical_volume *incore_lv)
{
struct lv_activate_opts laopts = {
.origin_only = origin_only,
@ -2006,9 +2009,9 @@ int lv_suspend(struct cmd_context *cmd, const char *lvid_s)
static int _lv_resume(struct cmd_context *cmd, const char *lvid_s,
struct lv_activate_opts *laopts, int error_if_not_active,
struct logical_volume *lv)
const struct logical_volume *lv)
{
struct logical_volume *lv_to_free = NULL;
const struct logical_volume *lv_to_free = NULL;
struct lvinfo info;
int r = 0;
int messages_only = 0;
@ -2079,7 +2082,7 @@ out:
*/
int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s,
unsigned origin_only, unsigned exclusive,
unsigned revert, struct logical_volume *lv)
unsigned revert, const struct logical_volume *lv)
{
struct lv_activate_opts laopts = {
.origin_only = origin_only,
@ -2090,14 +2093,15 @@ int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s,
return _lv_resume(cmd, lvid_s, &laopts, 0, lv);
}
int lv_resume(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, struct logical_volume *lv)
int lv_resume(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only,
const struct logical_volume *lv)
{
struct lv_activate_opts laopts = { .origin_only = origin_only, };
return _lv_resume(cmd, lvid_s, &laopts, 1, lv);
}
static int _lv_has_open_snapshots(struct logical_volume *lv)
static int _lv_has_open_snapshots(const struct logical_volume *lv)
{
struct lv_segment *snap_seg;
struct lvinfo info;
@ -2115,9 +2119,9 @@ static int _lv_has_open_snapshots(struct logical_volume *lv)
return r;
}
int lv_deactivate(struct cmd_context *cmd, const char *lvid_s, struct logical_volume *lv)
int lv_deactivate(struct cmd_context *cmd, const char *lvid_s, const struct logical_volume *lv)
{
struct logical_volume *lv_to_free = NULL;
const struct logical_volume *lv_to_free = NULL;
struct lvinfo info;
static const struct lv_activate_opts laopts = { .skip_in_use = 1 };
int r = 0;
@ -2176,9 +2180,9 @@ out:
/* Test if LV passes filter */
int lv_activation_filter(struct cmd_context *cmd, const char *lvid_s,
int *activate_lv, struct logical_volume *lv)
int *activate_lv, const struct logical_volume *lv)
{
struct logical_volume *lv_to_free = NULL;
const struct logical_volume *lv_to_free = NULL;
int r = 0;
if (!activation()) {
@ -2205,9 +2209,9 @@ out:
static int _lv_activate(struct cmd_context *cmd, const char *lvid_s,
struct lv_activate_opts *laopts, int filter,
struct logical_volume *lv)
const struct logical_volume *lv)
{
struct logical_volume *lv_to_free = NULL;
const struct logical_volume *lv_to_free = NULL;
struct lvinfo info;
int r = 0;
@ -2297,7 +2301,7 @@ out:
/* Activate LV */
int lv_activate(struct cmd_context *cmd, const char *lvid_s, int exclusive,
int noscan, int temporary, struct logical_volume *lv)
int noscan, int temporary, const struct logical_volume *lv)
{
struct lv_activate_opts laopts = { .exclusive = exclusive,
.noscan = noscan,
@ -2311,7 +2315,7 @@ int lv_activate(struct cmd_context *cmd, const char *lvid_s, int exclusive,
/* Activate LV only if it passes filter */
int lv_activate_with_filter(struct cmd_context *cmd, const char *lvid_s, int exclusive,
int noscan, int temporary, struct logical_volume *lv)
int noscan, int temporary, const struct logical_volume *lv)
{
struct lv_activate_opts laopts = { .exclusive = exclusive,
.noscan = noscan,

25
lib/activate/activate.h
View File

@ -74,15 +74,16 @@ void activation_release(void);
void activation_exit(void);
/* int lv_suspend(struct cmd_context *cmd, const char *lvid_s); */
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, unsigned exclusive, struct logical_volume *lv_ondisk, struct logical_volume *lv_incore);
int lv_resume(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, struct logical_volume *lv);
int lv_suspend_if_active(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, unsigned exclusive,
const struct logical_volume *lv_ondisk, const struct logical_volume *lv_incore);
int lv_resume(struct cmd_context *cmd, const char *lvid_s, unsigned origin_only, const struct logical_volume *lv);
int lv_resume_if_active(struct cmd_context *cmd, const char *lvid_s,
unsigned origin_only, unsigned exclusive, unsigned revert, struct logical_volume *lv);
unsigned origin_only, unsigned exclusive, unsigned revert, const struct logical_volume *lv);
int lv_activate(struct cmd_context *cmd, const char *lvid_s, int exclusive,
int noscan, int temporary, struct logical_volume *lv);
int noscan, int temporary, const struct logical_volume *lv);
int lv_activate_with_filter(struct cmd_context *cmd, const char *lvid_s, int exclusive,
int noscan, int temporary, struct logical_volume *lv);
int lv_deactivate(struct cmd_context *cmd, const char *lvid_s, struct logical_volume *lv);
int noscan, int temporary, const struct logical_volume *lv);
int lv_deactivate(struct cmd_context *cmd, const char *lvid_s, const struct logical_volume *lv);
int lv_mknodes(struct cmd_context *cmd, const struct logical_volume *lv);
@ -94,14 +95,14 @@ int lv_info(struct cmd_context *cmd, const struct logical_volume *lv, int use_la
int lv_info_by_lvid(struct cmd_context *cmd, const char *lvid_s, int use_layer,
struct lvinfo *info, int with_open_count, int with_read_ahead);
int lv_check_not_in_use(struct cmd_context *cmd, struct logical_volume *lv,
int lv_check_not_in_use(struct cmd_context *cmd, const struct logical_volume *lv,
struct lvinfo *info);
/*
* Returns 1 if activate_lv has been set: 1 = activate; 0 = don't.
*/
int lv_activation_filter(struct cmd_context *cmd, const char *lvid_s,
int *activate_lv, struct logical_volume *lv);
int *activate_lv, const struct logical_volume *lv);
/*
* Checks against the auto_activation_volume_list and
* returns 1 if the LV should be activated, 0 otherwise.
@ -147,18 +148,18 @@ int lv_is_active_exclusive(const struct logical_volume *lv);
int lv_is_active_exclusive_locally(const struct logical_volume *lv);
int lv_is_active_exclusive_remotely(const struct logical_volume *lv);
int lv_has_target_type(struct dm_pool *mem, struct logical_volume *lv,
int lv_has_target_type(struct dm_pool *mem, const struct logical_volume *lv,
const char *layer, const char *target_type);
int monitor_dev_for_events(struct cmd_context *cmd, struct logical_volume *lv,
int monitor_dev_for_events(struct cmd_context *cmd, const struct logical_volume *lv,
const struct lv_activate_opts *laopts, int do_reg);
#ifdef DMEVENTD
# include "libdevmapper-event.h"
char *get_monitor_dso_path(struct cmd_context *cmd, const char *libpath);
int target_registered_with_dmeventd(struct cmd_context *cmd, const char *libpath,
struct logical_volume *lv, int *pending);
int target_register_events(struct cmd_context *cmd, const char *dso, struct logical_volume *lv,
const struct logical_volume *lv, int *pending);
int target_register_events(struct cmd_context *cmd, const char *dso, const struct logical_volume *lv,
int evmask __attribute__((unused)), int set, int timeout);
#endif

42
lib/activate/dev_manager.c
View File

@ -60,11 +60,11 @@ struct dev_manager {
};
struct lv_layer {
struct logical_volume *lv;
const struct logical_volume *lv;
const char *old_name;
};
int read_only_lv(struct logical_volume *lv, struct lv_activate_opts *laopts)
int read_only_lv(const struct logical_volume *lv, const struct lv_activate_opts *laopts)
{
return (laopts->read_only || !(lv->status & LVM_WRITE));
}
@ -659,7 +659,7 @@ static int _status(const char *name, const char *uuid,
}
#endif
int lv_has_target_type(struct dm_pool *mem, struct logical_volume *lv,
int lv_has_target_type(struct dm_pool *mem, const struct logical_volume *lv,
const char *layer, const char *target_type)
{
int r = 0;
@ -888,7 +888,7 @@ static int _percent(struct dev_manager *dm, const char *name, const char *dlid,
}
/* FIXME Merge with the percent function */
int dev_manager_transient(struct dev_manager *dm, struct logical_volume *lv)
int dev_manager_transient(struct dev_manager *dm, const struct logical_volume *lv)
{
int r = 0;
struct dm_task *dmt;
@ -1534,7 +1534,7 @@ static int _check_udev_fallback(struct cmd_context *cmd)
#endif /* UDEV_SYNC_SUPPORT */
static uint16_t _get_udev_flags(struct dev_manager *dm, struct logical_volume *lv,
static uint16_t _get_udev_flags(struct dev_manager *dm, const struct logical_volume *lv,
const char *layer, int noscan, int temporary)
{
uint16_t udev_flags = 0;
@ -1597,7 +1597,7 @@ static uint16_t _get_udev_flags(struct dev_manager *dm, struct logical_volume *l
}
static int _add_dev_to_dtree(struct dev_manager *dm, struct dm_tree *dtree,
struct logical_volume *lv, const char *layer)
const struct logical_volume *lv, const char *layer)
{
char *dlid, *name;
struct dm_info info, info2;
@ -1656,7 +1656,7 @@ static int _add_dev_to_dtree(struct dev_manager *dm, struct dm_tree *dtree,
*/
static int _add_partial_replicator_to_dtree(struct dev_manager *dm,
struct dm_tree *dtree,
struct logical_volume *lv)
const struct logical_volume *lv)
{
struct logical_volume *rlv = first_seg(lv)->replicator;
struct replicator_device *rdev;
@ -1881,7 +1881,7 @@ static int _pool_register_callback(struct dev_manager *dm,
* Add LV and any known dependencies
*/
static int _add_lv_to_dtree(struct dev_manager *dm, struct dm_tree *dtree,
struct logical_volume *lv, int origin_only)
const struct logical_volume *lv, int origin_only)
{
uint32_t s;
struct seg_list *sl;
@ -2025,7 +2025,7 @@ static int _add_lv_to_dtree(struct dev_manager *dm, struct dm_tree *dtree,
return 1;
}
static struct dm_tree *_create_partial_dtree(struct dev_manager *dm, struct logical_volume *lv, int origin_only)
static struct dm_tree *_create_partial_dtree(struct dev_manager *dm, const struct logical_volume *lv, int origin_only)
{
struct dm_tree *dtree;
@ -2217,7 +2217,7 @@ int add_areas_line(struct dev_manager *dm, struct lv_segment *seg,
static int _add_layer_target_to_dtree(struct dev_manager *dm,
struct dm_tree_node *dnode,
struct logical_volume *lv)
const struct logical_volume *lv)
{
const char *layer_dlid;
@ -2235,8 +2235,8 @@ static int _add_layer_target_to_dtree(struct dev_manager *dm,
}
static int _add_origin_target_to_dtree(struct dev_manager *dm,
struct dm_tree_node *dnode,
struct logical_volume *lv)
struct dm_tree_node *dnode,
const struct logical_volume *lv)
{
const char *real_dlid;
@ -2251,7 +2251,7 @@ static int _add_origin_target_to_dtree(struct dev_manager *dm,
static int _add_snapshot_merge_target_to_dtree(struct dev_manager *dm,
struct dm_tree_node *dnode,
struct logical_volume *lv)
const struct logical_volume *lv)
{
const char *origin_dlid, *cow_dlid, *merge_dlid;
struct lv_segment *merging_snap_seg = find_snapshot(lv);
@ -2280,7 +2280,7 @@ static int _add_snapshot_merge_target_to_dtree(struct dev_manager *dm,
static int _add_snapshot_target_to_dtree(struct dev_manager *dm,
struct dm_tree_node *dnode,
struct logical_volume *lv,
const struct logical_volume *lv,
struct lv_activate_opts *laopts)
{
const char *origin_dlid;
@ -2334,7 +2334,7 @@ static int _add_target_to_dtree(struct dev_manager *dm,
}
static int _add_new_lv_to_dtree(struct dev_manager *dm, struct dm_tree *dtree,
struct logical_volume *lv,
const struct logical_volume *lv,
struct lv_activate_opts *laopts,
const char *layer);
@ -2570,7 +2570,7 @@ static int _set_udev_flags_for_children(struct dev_manager *dm,
#endif
static int _add_new_lv_to_dtree(struct dev_manager *dm, struct dm_tree *dtree,
struct logical_volume *lv, struct lv_activate_opts *laopts,
const struct logical_volume *lv, struct lv_activate_opts *laopts,
const char *layer)
{
struct lv_segment *seg;
@ -2866,7 +2866,7 @@ static int _clean_tree(struct dev_manager *dm, struct dm_tree_node *root, char *
return 1;
}
static int _tree_action(struct dev_manager *dm, struct logical_volume *lv,
static int _tree_action(struct dev_manager *dm, const struct logical_volume *lv,
struct lv_activate_opts *laopts, action_t action)
{
const size_t DLID_SIZE = ID_LEN + sizeof(UUID_PREFIX) - 1;
@ -2962,7 +2962,7 @@ out_no_root:
}
/* origin_only may only be set if we are resuming (not activating) an origin LV */
int dev_manager_activate(struct dev_manager *dm, struct logical_volume *lv,
int dev_manager_activate(struct dev_manager *dm, const struct logical_volume *lv,
struct lv_activate_opts *laopts)
{
laopts->send_messages = 1;
@ -2976,7 +2976,7 @@ int dev_manager_activate(struct dev_manager *dm, struct logical_volume *lv,
}
/* origin_only may only be set if we are resuming (not activating) an origin LV */
int dev_manager_preload(struct dev_manager *dm, struct logical_volume *lv,
int dev_manager_preload(struct dev_manager *dm, const struct logical_volume *lv,
struct lv_activate_opts *laopts, int *flush_required)
{
if (!_tree_action(dm, lv, laopts, PRELOAD))
@ -2987,7 +2987,7 @@ int dev_manager_preload(struct dev_manager *dm, struct logical_volume *lv,
return 1;
}
int dev_manager_deactivate(struct dev_manager *dm, struct logical_volume *lv)
int dev_manager_deactivate(struct dev_manager *dm, const struct logical_volume *lv)
{
struct lv_activate_opts laopts = { 0 };
@ -2997,7 +2997,7 @@ int dev_manager_deactivate(struct dev_manager *dm, struct logical_volume *lv)
return 1;
}
int dev_manager_suspend(struct dev_manager *dm, struct logical_volume *lv,
int dev_manager_suspend(struct dev_manager *dm, const struct logical_volume *lv,
struct lv_activate_opts *laopts, int lockfs, int flush_required)
{
dm->flush_required = flush_required;

12
lib/activate/dev_manager.h
View File

@ -26,7 +26,7 @@ struct dev_manager;
struct dm_info;
struct device;
int read_only_lv(struct logical_volume *lv, struct lv_activate_opts *laopts);
int read_only_lv(const struct logical_volume *lv, const struct lv_activate_opts *laopts);
/*
* Constructor and destructor.
@ -76,14 +76,14 @@ int dev_manager_thin_percent(struct dev_manager *dm,
int dev_manager_thin_device_id(struct dev_manager *dm,
const struct logical_volume *lv,
uint32_t *device_id);
int dev_manager_suspend(struct dev_manager *dm, struct logical_volume *lv,
int dev_manager_suspend(struct dev_manager *dm, const struct logical_volume *lv,
struct lv_activate_opts *laopts, int lockfs, int flush_required);
int dev_manager_activate(struct dev_manager *dm, struct logical_volume *lv,
int dev_manager_activate(struct dev_manager *dm, const struct logical_volume *lv,
struct lv_activate_opts *laopts);
int dev_manager_preload(struct dev_manager *dm, struct logical_volume *lv,
int dev_manager_preload(struct dev_manager *dm, const struct logical_volume *lv,
struct lv_activate_opts *laopts, int *flush_required);
int dev_manager_deactivate(struct dev_manager *dm, struct logical_volume *lv);
int dev_manager_transient(struct dev_manager *dm, struct logical_volume *lv) __attribute__((nonnull(1, 2)));
int dev_manager_deactivate(struct dev_manager *dm, const struct logical_volume *lv);
int dev_manager_transient(struct dev_manager *dm, const struct logical_volume *lv) __attribute__((nonnull(1, 2)));
int dev_manager_mknodes(const struct logical_volume *lv);

4
lib/activate/fs.c
View File

@ -468,8 +468,8 @@ int fs_del_lv_byname(const char *dev_dir, const char *vg_name,
return _fs_op(FS_DEL, dev_dir, vg_name, lv_name, "", "", check_udev);
}
int fs_rename_lv(struct logical_volume *lv, const char *dev,
const char *old_vgname, const char *old_lvname)
int fs_rename_lv(const struct logical_volume *lv, const char *dev,
const char *old_vgname, const char *old_lvname)
{
if (strcmp(old_vgname, lv->vg->name)) {
return

2
lib/activate/fs.h
View File

@ -27,7 +27,7 @@ int fs_add_lv(const struct logical_volume *lv, const char *dev);
int fs_del_lv(const struct logical_volume *lv);
int fs_del_lv_byname(const char *dev_dir, const char *vg_name,
const char *lv_name, int check_udev);
int fs_rename_lv(struct logical_volume *lv, const char *dev,
int fs_rename_lv(const struct logical_volume *lv, const char *dev,
const char *old_vgname, const char *old_lvname);
/* void fs_unlock(void); moved to activate.h */
uint32_t fs_get_cookie(void);

6
lib/locking/cluster_locking.c
View File

@ -33,7 +33,7 @@
#include <unistd.h>
#ifndef CLUSTER_LOCKING_INTERNAL
int lock_resource(struct cmd_context *cmd, const char *resource, uint32_t flags, struct logical_volume *lv __attribute__((unused)));
int lock_resource(struct cmd_context *cmd, const char *resource, uint32_t flags, const struct logical_volume *lv __attribute__((unused)));
int query_resource(const char *resource, int *mode);
void locking_end(void);
int locking_init(int type, struct dm_config_tree *cf, uint32_t *flags);
@ -411,9 +411,9 @@ static int _lock_for_cluster(struct cmd_context *cmd, unsigned char clvmd_cmd,
/* API entry point for LVM */
#ifdef CLUSTER_LOCKING_INTERNAL
static int _lock_resource(struct cmd_context *cmd, const char *resource,
uint32_t flags, struct logical_volume *lv __attribute__((unused)))
uint32_t flags, const struct logical_volume *lv __attribute__((unused)))
#else
int lock_resource(struct cmd_context *cmd, const char *resource, uint32_t flags, struct logical_volume *lv __attribute__((unused)))
int lock_resource(struct cmd_context *cmd, const char *resource, uint32_t flags, const struct logical_volume *lv __attribute__((unused)))
#endif
{
char lockname[PATH_MAX];

2
lib/locking/external_locking.c
View File

@ -30,7 +30,7 @@ static int (*_init_fn) (int type, struct dm_config_tree * cft,
static int (*_lock_query_fn) (const char *resource, int *mode) = NULL;
static int _lock_resource(struct cmd_context *cmd, const char *resource,
uint32_t flags, struct logical_volume *lv __attribute__((unused)))
uint32_t flags, const struct logical_volume *lv __attribute__((unused)))
{
if (!_lock_fn)
return 0;

2
lib/locking/file_locking.c
View File

@ -42,7 +42,7 @@ static void _reset_file_locking(void)
}
static int _file_lock_resource(struct cmd_context *cmd, const char *resource,
uint32_t flags, struct logical_volume *lv)
uint32_t flags, const struct logical_volume *lv)
{
char lockfile[PATH_MAX];
unsigned origin_only = (flags & LCK_ORIGIN_ONLY) ? 1 : 0;

4
lib/locking/locking.c
View File

@ -244,7 +244,7 @@ int check_lvm1_vg_inactive(struct cmd_context *cmd, const char *vgname)
* FIXME This should become VG uuid.
*/
static int _lock_vol(struct cmd_context *cmd, const char *resource,
uint32_t flags, lv_operation_t lv_op, struct logical_volume *lv)
uint32_t flags, lv_operation_t lv_op, const struct logical_volume *lv)
{
uint32_t lck_type = flags & LCK_TYPE_MASK;
uint32_t lck_scope = flags & LCK_SCOPE_MASK;
@ -295,7 +295,7 @@ out:
return ret;
}
int lock_vol(struct cmd_context *cmd, const char *vol, uint32_t flags, struct logical_volume *lv)
int lock_vol(struct cmd_context *cmd, const char *vol, uint32_t flags, const struct logical_volume *lv)
{
char resource[258] __attribute__((aligned(8)));
lv_operation_t lv_op;

2
lib/locking/locking.h
View File

@ -49,7 +49,7 @@ int remote_lock_held(const char *vol, int *exclusive);
* Lock/unlock an individual logical volume
* char *vol holds lvid
*/
int lock_vol(struct cmd_context *cmd, const char *vol, uint32_t flags, struct logical_volume *lv);
int lock_vol(struct cmd_context *cmd, const char *vol, uint32_t flags, const struct logical_volume *lv);
/*
* Internal locking representation.

2
lib/locking/locking_types.h
View File

@ -17,7 +17,7 @@
#include "config.h"
typedef int (*lock_resource_fn) (struct cmd_context * cmd, const char *resource,
uint32_t flags, struct logical_volume *lv);
uint32_t flags, const struct logical_volume *lv);
typedef int (*query_resource_fn) (const char *resource, int *mode);
typedef void (*fin_lock_fn) (void);

4
lib/locking/no_locking.c
View File

@ -34,7 +34,7 @@ static void _no_reset_locking(void)
}
static int _no_lock_resource(struct cmd_context *cmd, const char *resource,
uint32_t flags, struct logical_volume *lv)
uint32_t flags, const struct logical_volume *lv)
{
switch (flags & LCK_SCOPE_MASK) {
case LCK_ACTIVATION:
@ -79,7 +79,7 @@ static int _no_query_resource(const char *resource, int *mode)
static int _readonly_lock_resource(struct cmd_context *cmd,
const char *resource,
uint32_t flags, struct logical_volume *lv)
uint32_t flags, const struct logical_volume *lv)
{
if ((flags & LCK_TYPE_MASK) == LCK_WRITE &&
(flags & LCK_SCOPE_MASK) == LCK_VG &&

2
lib/metadata/lv.h
View File

@ -95,7 +95,7 @@ int lv_active_change(struct cmd_context *cmd, struct logical_volume *lv,
enum activation_change activate);
char *lv_active_dup(struct dm_pool *mem, const struct logical_volume *lv);
const struct logical_volume *lv_lock_holder(const struct logical_volume *lv);
struct logical_volume *lv_ondisk(struct logical_volume *lv);
const struct logical_volume *lv_ondisk(const struct logical_volume *lv);
struct profile *lv_config_profile(const struct logical_volume *lv);
char *lv_profile_dup(struct dm_pool *mem, const struct logical_volume *lv);
int lv_mirror_image_in_sync(const struct logical_volume *lv);

14
lib/metadata/metadata-exported.h
View File

@ -1065,7 +1065,7 @@ int lv_raid_reshape(struct logical_volume *lv,
int lv_raid_replace(struct logical_volume *lv, struct dm_list *remove_pvs,
struct dm_list *allocate_pvs);
int lv_raid_remove_missing(struct logical_volume *lv);
int partial_raid_lv_supports_degraded_activation(struct logical_volume *lv);
int partial_raid_lv_supports_degraded_activation(const struct logical_volume *lv);
/* -- metadata/raid_manip.c */
/* ++ metadata/cache_manip.c */
@ -1087,10 +1087,10 @@ struct cmd_vg *cmd_vg_lookup(struct dm_list *cmd_vgs,
int cmd_vg_read(struct cmd_context *cmd, struct dm_list *cmd_vgs);
void free_cmd_vgs(struct dm_list *cmd_vgs);
int find_replicator_vgs(struct logical_volume *lv);
int find_replicator_vgs(const struct logical_volume *lv);
int lv_read_replicator_vgs(struct logical_volume *lv);
void lv_release_replicator_vgs(struct logical_volume *lv);
int lv_read_replicator_vgs(const struct logical_volume *lv);
void lv_release_replicator_vgs(const struct logical_volume *lv);
struct logical_volume *find_pvmove_lv(struct volume_group *vg,
struct device *dev, uint64_t lv_type);
@ -1099,9 +1099,9 @@ struct logical_volume *find_pvmove_lv_from_pvname(struct cmd_context *cmd,
const char *name,
const char *uuid,
uint64_t lv_type);
struct logical_volume *find_pvmove_lv_in_lv(struct logical_volume *lv);
const char *get_pvmove_pvname_from_lv(struct logical_volume *lv);
const char *get_pvmove_pvname_from_lv_mirr(struct logical_volume *lv_mirr);
const struct logical_volume *find_pvmove_lv_in_lv(const struct logical_volume *lv);
const char *get_pvmove_pvname_from_lv(const struct logical_volume *lv);
const char *get_pvmove_pvname_from_lv_mirr(const struct logical_volume *lv_mirr);
struct dm_list *lvs_using_lv(struct cmd_context *cmd, struct volume_group *vg,
struct logical_volume *lv);

2
lib/metadata/metadata.c
View File

@ -4805,7 +4805,7 @@ char *tags_format_and_copy(struct dm_pool *mem, const struct dm_list *tagsl)
return dm_pool_end_object(mem);
}
struct logical_volume *lv_ondisk(struct logical_volume *lv)
const struct logical_volume *lv_ondisk(const struct logical_volume *lv)
{
struct volume_group *vg;
struct lv_list *lvl;

10
lib/metadata/mirror.c
View File

@ -1504,7 +1504,7 @@ int remove_mirrors_from_segments(struct logical_volume *lv,
return 1;
}
const char *get_pvmove_pvname_from_lv_mirr(struct logical_volume *lv_mirr)
const char *get_pvmove_pvname_from_lv_mirr(const struct logical_volume *lv_mirr)
{
struct lv_segment *seg;
@ -1523,9 +1523,9 @@ const char *get_pvmove_pvname_from_lv_mirr(struct logical_volume *lv_mirr)
/*
* Find first pvmove LV referenced by a segment of an LV.
*/
struct logical_volume *find_pvmove_lv_in_lv(struct logical_volume *lv)
const struct logical_volume *find_pvmove_lv_in_lv(const struct logical_volume *lv)
{
struct lv_segment *seg;
const struct lv_segment *seg;
uint32_t s;
dm_list_iterate_items(seg, &lv->segments) {
@ -1540,9 +1540,9 @@ struct logical_volume *find_pvmove_lv_in_lv(struct logical_volume *lv)
return NULL;
}
const char *get_pvmove_pvname_from_lv(struct logical_volume *lv)
const char *get_pvmove_pvname_from_lv(const struct logical_volume *lv)
{
struct logical_volume *pvmove_lv;
const struct logical_volume *pvmove_lv;
pvmove_lv = find_pvmove_lv_in_lv(lv);

5
lib/metadata/raid_manip.c
View File

@ -1822,7 +1822,7 @@ int lv_raid_remove_missing(struct logical_volume *lv)
}
/* Return 1 if a partial raid LV can be activated redundantly */
static int _partial_raid_lv_is_redundant(struct logical_volume *lv)
static int _partial_raid_lv_is_redundant(const struct logical_volume *lv)
{
struct lv_segment *raid_seg = first_seg(lv);
uint32_t copies;
@ -1911,9 +1911,10 @@ static int _lv_may_be_activated_in_degraded_mode(struct logical_volume *lv, void
return 1;
}
int partial_raid_lv_supports_degraded_activation(struct logical_volume *lv)
int partial_raid_lv_supports_degraded_activation(const struct logical_volume *clv)
{
int not_capable = 0;
struct logical_volume * lv = (struct logical_volume *)clv; /* drop const */
if (!_lv_may_be_activated_in_degraded_mode(lv, &not_capable) || not_capable)
return_0;

6
lib/metadata/replicator_manip.c
View File

@ -600,7 +600,7 @@ void free_cmd_vgs(struct dm_list *cmd_vgs)
* Find all needed remote VGs for processing given LV.
* Missing VGs are added to VG's cmd_vg list and flag cmd_missing_vgs is set.
*/
int find_replicator_vgs(struct logical_volume *lv)
int find_replicator_vgs(const struct logical_volume *lv)
{
struct replicator_site *rsite;
int ret = 1;
@ -632,7 +632,7 @@ int find_replicator_vgs(struct logical_volume *lv)
* Read all remote VGs from lv's replicator sites.
* Function is used in activation context and needs all VGs already locked.
*/
int lv_read_replicator_vgs(struct logical_volume *lv)
int lv_read_replicator_vgs(const struct logical_volume *lv)
{
struct replicator_device *rdev;
struct replicator_site *rsite;
@ -670,7 +670,7 @@ bad:
* Release all VG resources taken by lv's replicator sites.
* Function is used in activation context and needs all VGs already locked.
*/
void lv_release_replicator_vgs(struct logical_volume *lv)
void lv_release_replicator_vgs(const struct logical_volume *lv)
{
struct replicator_site *rsite;

2
tools/polldaemon.h
View File

@ -28,7 +28,7 @@ typedef enum {
struct daemon_parms;
struct poll_functions {
const char *(*get_copy_name_from_lv) (struct logical_volume *lv);
const char *(*get_copy_name_from_lv) (const struct logical_volume *lv);
struct volume_group *(*get_copy_vg) (struct cmd_context *cmd,
const char *name,
const char *uuid);