reiserfs: make commit_wq use the default concurrency level

The maximum number of concurrent work items queued on commit_wq is
bound by the number of active journals.  Convert to alloc_workqueue()
and use the default concurrency level so that they can be processed in
parallel.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: reiserfs-devel@vger.kernel.org

diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 3eea859..c77514b 100644 (file)
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2876,7 +2876,7 @@ int journal_init(struct super_block *sb, const char *j_dev_name,
        reiserfs_mounted_fs_count++;
        if (reiserfs_mounted_fs_count <= 1) {
                reiserfs_write_unlock(sb);
-               commit_wq = create_workqueue("reiserfs");
+               commit_wq = alloc_workqueue("reiserfs", WQ_MEM_RECLAIM, 0);
                reiserfs_write_lock(sb);
        }