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authorNeilBrown <neilb@suse.de>2006-04-10 22:55:37 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-11 06:18:52 -0700
commit5e8d5c29482dc56de5971ddc99c6e7f69e4d16f6 (patch)
treefe50096b5742960ff6bcccbb053c1f9b379916c8 /fs/nfsd/nfs4state.c
parent6f54e2d0d3a904e55c9c50b78542072f6c42080e (diff)
[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/nfs4state.c')
-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 a8c2122a481..01ff544dc1f 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();