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authorNeilBrown <neilb@suse.de>2006-04-11 09:55:37 +0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-11 17:18:52 +0400
commit5e8d5c29482dc56de5971ddc99c6e7f69e4d16f6 (patch)
treefe50096b5742960ff6bcccbb053c1f9b379916c8 /fs/nfsd
parent6f54e2d0d3a904e55c9c50b78542072f6c42080e (diff)
downloadlinux-5e8d5c29482dc56de5971ddc99c6e7f69e4d16f6.tar.xz
[PATCH] knfsd: nfsd4: fix laundromat shutdown race
We need to make sure the laundromat work doesn't reschedule itself just when we try to cancel it. Also, we shouldn't be waiting for it to finish running while holding the state lock, as that's a potential deadlock. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4state.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a8c2122a481e..01ff544dc1f5 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3238,8 +3238,6 @@ __nfs4_state_shutdown(void)
}
cancel_delayed_work(&laundromat_work);
- flush_workqueue(laundry_wq);
- destroy_workqueue(laundry_wq);
nfsd4_shutdown_recdir();
nfs4_init = 0;
}
@@ -3247,6 +3245,8 @@ __nfs4_state_shutdown(void)
void
nfs4_state_shutdown(void)
{
+ cancel_rearming_delayed_workqueue(laundry_wq, &laundromat_work);
+ destroy_workqueue(laundry_wq);
nfs4_lock_state();
nfs4_release_reclaim();
__nfs4_state_shutdown();