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SLOW_WORK: Wait for outstanding work items belonging to a module to clear

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Wait for outstanding slow work items belonging to a module to clear when
unregistering that module as a user of the facility.  This prevents the put_ref
code of a work item from being taken away before it returns.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2009-11-19 18:10:23 +00:00
parent 66b00a7c93
commit 3d7a641e54
8 changed files with 150 additions and 16 deletions
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4
fs/gfs2/main.c
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@ -114,7 +114,7 @@ static int __init init_gfs2_fs(void)
if (error)
goto fail_unregister;
error = slow_work_register_user();
error = slow_work_register_user(THIS_MODULE);
if (error)
goto fail_slow;
@ -163,7 +163,7 @@ static void __exit exit_gfs2_fs(void)
gfs2_unregister_debugfs();
unregister_filesystem(&gfs2_fs_type);
unregister_filesystem(&gfs2meta_fs_type);
slow_work_unregister_user();
slow_work_unregister_user(THIS_MODULE);
kmem_cache_destroy(gfs2_quotad_cachep);
kmem_cache_destroy(gfs2_rgrpd_cachep);