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    Subject[RFC PATCH -V2 17/17] fs/9p: set default readahead pages in cached mode
    Date
    We want to enable readahead in cached mode

    Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
    ---
    fs/9p/vfs_super.c | 2 ++
    1 files changed, 2 insertions(+), 0 deletions(-)

    diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
    index 4838a56..cfb8e97 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)
    --
    1.7.1


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