From: Chengguang Xu <cgxu519@gmx.com>
Date: Thu, 31 May 2018 12:07:28 +0000 (+0800)
Subject: doc: update description of mount options for cephfs
X-Git-Tag: v14.0.1~1101^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F22340%2Fhead;p=ceph.git

doc: update description of mount options for cephfs

Based on kernel client code, wsize/rsize have default
value 16777216 (16*1024*1024) and rasize actually aligns
to PAGE_SIZE.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
---

diff --git a/doc/man/8/mount.ceph.rst b/doc/man/8/mount.ceph.rst
index 56900a9e6460..8f3d5bbbcf22 100644
--- a/doc/man/8/mount.ceph.rst
+++ b/doc/man/8/mount.ceph.rst
@@ -46,15 +46,14 @@ Options
 =======
 
 :command:`wsize`
-  int (bytes), max write size. Default: none (writeback uses smaller of wsize
+  int (bytes), max write size. Default: 16777216 (16*1024*1024) (writeback uses smaller of wsize
   and stripe unit)
 
 :command:`rsize`
-  int (bytes), max read size. Default: none
+  int (bytes), max read size. Default: 16777216 (16*1024*1024)
 
 :command:`rasize`
-  int (bytes), max readahead, multiple of 1024, Default: 8388608
-  (8192*1024)
+  int (bytes), max readahead. Default: 8388608 (8192*1024)
 
 :command:`osdtimeout`
   int (seconds), Default: 60