From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Date: Mon, 28 Feb 2011 11:34:03 +0000 (+0530)
Subject: fs/9p: set default readahead pages in cached mode
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6b365604ca8c1b67f0d5a816cf5acf2dc3edc229;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

fs/9p: set default readahead pages in cached mode

We want to enable readahead in cached mode

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
---

diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 6c812d1c58f..f84d625b879 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -86,6 +86,8 @@ v9fs_fill_super(struct super_block *sb, struct v9fs_session_info *v9ses,
 	} else
 		sb->s_op = &v9fs_super_ops;
 	sb->s_bdi = &v9ses->bdi;
+	if (v9ses->cache)
+		sb->s_bdi->ra_pages = (VM_MAX_READAHEAD * 1024)/PAGE_CACHE_SIZE;
 
 	sb->s_flags = flags | MS_ACTIVE | MS_DIRSYNC | MS_NOATIME;
 	if (!v9ses->cache)