From e9852227431a0ed6ceda064f33e4218757acab6c Mon Sep 17 00:00:00 2001 From: Yehuda Sadeh Date: Fri, 22 Jul 2011 11:12:28 -0700 Subject: ceph: set up readahead size when rsize is not passed This should improve the default read performance, as without it readahead is practically disabled. Signed-off-by: Yehuda Sadeh --- fs/ceph/super.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'fs') diff --git a/fs/ceph/super.c b/fs/ceph/super.c index d4757c98ec14..d47c5ec7fb1f 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -779,6 +779,10 @@ static int ceph_register_bdi(struct super_block *sb, fsc->backing_dev_info.ra_pages = (fsc->mount_options->rsize + PAGE_CACHE_SIZE - 1) >> PAGE_SHIFT; + else + fsc->backing_dev_info.ra_pages = + default_backing_dev_info.ra_pages; + err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%d", atomic_long_inc_return(&bdi_seq)); if (!err) -- cgit v1.2.3