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authorPaul Gortmaker <paul.gortmaker@windriver.com>2013-06-12 22:46:35 -0400
committerTheodore Ts'o <tytso@mit.edu>2013-06-12 22:46:35 -0400
commit3ca841c106fd6cd2c942985977a5d126434a8dd6 (patch)
treef576fe21df51f8120af54dbc4cc953e9418702fc /fs/jbd2
parent4418e14112e3ca85e8492a4489a3552b0cc526a8 (diff)
jbd2: relocate assert after state lock in journal_commit_transaction()
The state lock is taken after we are doing an assert on the state value, not before. So we might in fact be doing an assert on a transient value. Ensure the state check is within the scope of the state lock being taken. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/jbd2')
-rw-r--r--fs/jbd2/commit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index cfbce48adc0b..44b429126258 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -427,13 +427,13 @@ void jbd2_journal_commit_transaction(journal_t *journal)
J_ASSERT(journal->j_committing_transaction == NULL);
commit_transaction = journal->j_running_transaction;
- J_ASSERT(commit_transaction->t_state == T_RUNNING);
trace_jbd2_start_commit(journal, commit_transaction);
jbd_debug(1, "JBD2: starting commit of transaction %d\n",
commit_transaction->t_tid);
write_lock(&journal->j_state_lock);
+ J_ASSERT(commit_transaction->t_state == T_RUNNING);
commit_transaction->t_state = T_LOCKED;
trace_jbd2_commit_locking(journal, commit_transaction);