/usr/src/kernel-patches/lustre/patches/jbd2-commit-timer-no-jiffies-rounding.diff is in linux-patch-lustre 1.8.5+dfsg-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | Index: linux-2.6.27.21-0.1/fs/jbd2/transaction.c
===================================================================
--- linux-2.6.27.21-0.1.orig/fs/jbd2/transaction.c 2009-06-10 11:11:41.000000000 -0600
+++ linux-2.6.27.21-0.1/fs/jbd2/transaction.c 2009-06-10 11:12:32.000000000 -0600
@@ -54,7 +54,7 @@
INIT_LIST_HEAD(&transaction->t_inode_list);
/* Set up the commit timer for the new transaction. */
- journal->j_commit_timer.expires = round_jiffies(transaction->t_expires);
+ journal->j_commit_timer.expires = transaction->t_expires;
add_timer(&journal->j_commit_timer);
J_ASSERT(journal->j_running_transaction == NULL);
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