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| author | Yehuda Sadeh <yehuda@hq.newdream.net> | 2011-07-22 11:12:28 -0700 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2011-07-26 11:29:14 -0700 |
| commit | e9852227431a0ed6ceda064f33e4218757acab6c (patch) | |
| tree | e48c6a6ffb96780d562943dfc45c78a0a7edc0cd | |
| parent | 79e3057c4c9d32b88e6745fd220d91b0a8b2030b (diff) | |
| download | linux-3.10-e9852227431a0ed6ceda064f33e4218757acab6c.tar.gz linux-3.10-e9852227431a0ed6ceda064f33e4218757acab6c.tar.bz2 linux-3.10-e9852227431a0ed6ceda064f33e4218757acab6c.zip | |
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 <yehuda@hq.newdream.net>
| -rw-r--r-- | 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 d4757c98ec1..d47c5ec7fb1 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) |