Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/fs/jbd/checkpoint.c | 7 +++++++
1 files changed, 7 insertions(+)
diff -puN fs/jbd/checkpoint.c~__cleanup_transaction-latency-fix fs/jbd/checkpoint.c
--- 25/fs/jbd/checkpoint.c~__cleanup_transaction-latency-fix 2004-07-13 01:14:53.903002432 -0700
+++ 25-akpm/fs/jbd/checkpoint.c 2004-07-13 01:21:15.966919888 -0700
@@ -132,6 +132,7 @@ static int __cleanup_transaction(journal
{
struct journal_head *jh, *next_jh, *last_jh;
struct buffer_head *bh;
+ unsigned char nr_buffers = 1;
int ret = 0;
assert_spin_locked(&journal->j_list_lock);
@@ -185,9 +186,15 @@ static int __cleanup_transaction(journal
journal_remove_journal_head(bh);
__brelse(bh);
ret = 1;
+ nr_buffers++;
} else {
jbd_unlock_bh_state(bh);
}
+ if (nr_buffers == 0) {
+ spin_lock(&journal->j_list_lock);
+ cpu_relax();
+ goto out_return_1;
+ }
jh = next_jh;
} while (jh != last_jh);
_