[patch v2] cifs: fix revalidation test in cifs_llseek()
Jeff Layton
jlayton at redhat.com
Mon Apr 30 09:15:14 MDT 2012
On Mon, 30 Apr 2012 17:36:21 +0300
Dan Carpenter <dan.carpenter at oracle.com> wrote:
> This test is always true so it means we revalidate the length every
> time, which generates more network traffic. When it is SEEK_SET or
> SEEK_CUR, then we don't need to revalidate.
>
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
> ---
> v2: I had the test reversed in the first version.
>
> diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
> index 811245b..4a6ad20 100644
> --- a/fs/cifs/cifsfs.c
> +++ b/fs/cifs/cifsfs.c
> @@ -699,7 +699,7 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin)
> * origin == SEEK_END || SEEK_DATA || SEEK_HOLE => we must revalidate
> * the cached file length
> */
> - if (origin != SEEK_SET || origin != SEEK_CUR) {
> + if (origin != SEEK_SET && origin != SEEK_CUR) {
> int rc;
> struct inode *inode = file->f_path.dentry->d_inode;
>
Looks good.
Reviewed-by: Jeff Layton <jlayton at redhat.com>
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