lkml.org 
[lkml]   [2008]   [Jun]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[patch -v3 02/22] ocfs2: use simple_read_from_buffer
    Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
    Cc: Mark Fasheh <mfasheh@suse.com>
    Cc: Joel Becker <joel.becker@oracle.com>
    Cc: ocfs2-devel@oss.oracle.com
    ---
    fs/ocfs2/stack_user.c | 19 +++++--------------
    1 file changed, 5 insertions(+), 14 deletions(-)

    Index: 2.6-git/fs/ocfs2/stack_user.c
    ===================================================================
    --- 2.6-git.orig/fs/ocfs2/stack_user.c
    +++ 2.6-git/fs/ocfs2/stack_user.c
    @@ -549,26 +549,17 @@ static ssize_t ocfs2_control_read(struct
    size_t count,
    loff_t *ppos)
    {
    - char *proto_string = OCFS2_CONTROL_PROTO;
    - size_t to_write = 0;
    + ssize_t ret;

    - if (*ppos >= OCFS2_CONTROL_PROTO_LEN)
    - return 0;
    -
    - to_write = OCFS2_CONTROL_PROTO_LEN - *ppos;
    - if (to_write > count)
    - to_write = count;
    - if (copy_to_user(buf, proto_string + *ppos, to_write))
    - return -EFAULT;
    -
    - *ppos += to_write;
    + ret = simple_read_from_buffer(buf, count, ppos,
    + OCFS2_CONTROL_PROTO, OCFS2_CONTROL_PROTO_LEN);

    /* Have we read the whole protocol list? */
    - if (*ppos >= OCFS2_CONTROL_PROTO_LEN)
    + if (ret > 0 && *ppos >= OCFS2_CONTROL_PROTO_LEN)
    ocfs2_control_set_handshake_state(file,
    OCFS2_CONTROL_HANDSHAKE_READ);

    - return to_write;
    + return ret;
    }

    static int ocfs2_control_release(struct inode *inode, struct file *file)
    --


    \
     
     \ /
      Last update: 2008-06-04 14:13    [W:0.021 / U:0.900 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site