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Move dm_cookie_supported check into dm_udev_get_sync_supprt function.

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We don't have to call dm_cookie_supported with dm_udev_get_sync_support
this way. Also, it's necessary for the current code to work properly on
systems without cookie support (older kernels).
This commit is contained in:
Peter Rajnoha 2009-09-11 16:11:25 +00:00
parent e94a31b2c6
commit 221b941eb5
1 changed files with 4 additions and 4 deletions
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8
libdm/libdm-common.c
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@ -881,7 +881,7 @@ int dm_udev_get_sync_support(void)
if (_udev_running < 0)
_udev_running = _check_udev_is_running();
return _udev_running && _sync_with_udev;
return dm_cookie_supported() && _udev_running && _sync_with_udev;
}
static int _get_cookie_sem(uint32_t cookie, int *semid)
@ -1064,7 +1064,7 @@ int dm_task_set_cookie(struct dm_task *dmt, uint32_t *cookie)
{
int semid;
if (!dm_udev_get_sync_support() || !dm_cookie_supported()) {
if (!dm_udev_get_sync_support()) {
dmt->event_nr = *cookie = 0;
return 1;
}
@ -1099,7 +1099,7 @@ int dm_udev_complete(uint32_t cookie)
{
int semid;
if (!cookie || !dm_udev_get_sync_support() || !dm_cookie_supported())
if (!cookie || !dm_udev_get_sync_support())
return 1;
if (!_get_cookie_sem(cookie, &semid))
@ -1120,7 +1120,7 @@ int dm_udev_wait(uint32_t cookie)
int semid;
struct sembuf sb = {0, 0, 0};
if (!cookie || !dm_udev_get_sync_support() || !dm_cookie_supported())
if (!cookie || !dm_udev_get_sync_support())
return 1;
if (!_get_cookie_sem(cookie, &semid))