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Return immediately dm_lib_exit() if called more than once.

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(Avoiding calling it twice would involve some untangling.)
Decrement the new suspended_counter if removing a suspended device.
This commit is contained in:
Alasdair Kergon 2011-06-24 19:33:41 +00:00
parent 9e0edb7ee5
commit f4249251cb
3 changed files with 12 additions and 1 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.65 - Version 1.02.65 -
================================== ==================================
Return immediately dm_lib_exit() if called more than once.
Disable udev fallback by default and add --udevfallback option to dmsetup. Disable udev fallback by default and add --udevfallback option to dmsetup.
Warn if a table is loaded while a device is known to be in suspended state. Warn if a table is loaded while a device is known to be in suspended state.
Add dm_get_suspended_counter() for number of devs in suspended state by lib. Add dm_get_suspended_counter() for number of devs in suspended state by lib.

9
libdm/ioctl/libdm-iface.c
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@ -2173,6 +2173,15 @@ void dm_pools_check_leaks(void);
void dm_lib_exit(void) void dm_lib_exit(void)
{ {
int suspended_counter;
static unsigned _exited = 0;
if (_exited++)
return;
if ((suspended_counter = dm_get_suspended_counter()))
log_error("libdevmapper exiting with %d device(s) still suspended.", suspended_counter);
dm_lib_release(); dm_lib_release();
selinux_release(); selinux_release();
if (_dm_bitset) if (_dm_bitset)

3
libdm/libdm-deptree.c
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@ -1188,7 +1188,8 @@ static int _dm_tree_deactivate_children(struct dm_tree_node *dnode,
info.minor); info.minor);
r = 0; r = 0;
continue; continue;
} } else if (info.suspended)
dec_suspended();
if (dm_tree_node_num_children(child, 0)) { if (dm_tree_node_num_children(child, 0)) {
if (!_dm_tree_deactivate_children(child, uuid_prefix, uuid_prefix_len, level + 1)) if (!_dm_tree_deactivate_children(child, uuid_prefix, uuid_prefix_len, level + 1))