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Subject[patch 56/61] lock validator: special locking: jbd
From: Ingo Molnar <mingo@elte.hu>

teach special (non-nested) unlocking code to the lock validator. Has no
effect on non-lockdep kernels.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
---
fs/jbd/checkpoint.c | 2 +-
fs/jbd/commit.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

Index: linux/fs/jbd/checkpoint.c
===================================================================
--- linux.orig/fs/jbd/checkpoint.c
+++ linux/fs/jbd/checkpoint.c
@@ -135,7 +135,7 @@ void __log_wait_for_space(journal_t *jou
log_do_checkpoint(journal);
spin_lock(&journal->j_state_lock);
}
- mutex_unlock(&journal->j_checkpoint_mutex);
+ mutex_unlock_non_nested(&journal->j_checkpoint_mutex);
}
}

Index: linux/fs/jbd/commit.c
===================================================================
--- linux.orig/fs/jbd/commit.c
+++ linux/fs/jbd/commit.c
@@ -838,7 +838,7 @@ restart_loop:
J_ASSERT(commit_transaction == journal->j_committing_transaction);
journal->j_commit_sequence = commit_transaction->t_tid;
journal->j_committing_transaction = NULL;
- spin_unlock(&journal->j_state_lock);
+ spin_unlock_non_nested(&journal->j_state_lock);

if (commit_transaction->t_checkpoint_list == NULL) {
__journal_drop_transaction(journal, commit_transaction);
-
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