From: Yehuda Sadeh <yeh...@hq.newdream.net>
This should improve the default read performance, as without it
readahead is practically disabled.
Signed-off-by: Yehuda Sadeh <yeh...@hq.newdream.net>
---
fs/ceph/super.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index d4757c9..d47c5ec 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)
--
1.7.0
--
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