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drivers: lustre: obdclass: simplify unregister_shrinker() usage 

lu_global_fini() explicitly uses knowledge about shrinker's
internals to make decision about calling of unregister_shrinker().
Now this check was integrated into unregister_shrinker(),
so it is safe to call it against unregistered shrinker.

Signed-off-by: Aliaksei Karaliou <akaraliou.dev@gmail.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aliaksei Karaliou 2017-12-23 14:13:16 +03:00 committed by Greg Kroah-Hartman
parent 915fd1c2d1
commit a8753f02eb
1 changed files with 1 additions and 2 deletions
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3
drivers/staging/lustre/lustre/obdclass/lu_object.c
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@ -1977,8 +1977,7 @@ int lu_global_init(void)
*/
void lu_global_fini(void)
{
if (lu_site_shrinker.nr_deferred)
unregister_shrinker(&lu_site_shrinker);
unregister_shrinker(&lu_site_shrinker);
lu_context_key_degister(&lu_global_key);
/*