Re: [PATCH] ceph: remove unused and redundant variable dropping
From: Ilya Dryomov
Date: Wed Oct 18 2017 - 08:50:28 EST
On Wed, Oct 18, 2017 at 1:34 PM, Colin King <colin.king@xxxxxxxxxxxxx> wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Variable dropping is set but never read and hence is redundant
> and can be removed. Cleans up clang warning:
>
> fs/ceph/caps.c:1170:2: warning: Value stored to 'dropping' is never read
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
> fs/ceph/caps.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
> index 157fe59fbabe..14df41e3751c 100644
> --- a/fs/ceph/caps.c
> +++ b/fs/ceph/caps.c
> @@ -1159,7 +1159,7 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
> struct ceph_inode_info *ci = cap->ci;
> struct inode *inode = &ci->vfs_inode;
> struct cap_msg_args arg;
> - int held, revoking, dropping;
> + int held, revoking;
> int wake = 0;
> int delayed = 0;
> int ret;
> @@ -1167,7 +1167,6 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
> held = cap->issued | cap->implemented;
> revoking = cap->implemented & ~cap->issued;
> retain &= ~revoking;
> - dropping = cap->issued & ~retain;
>
> dout("__send_cap %p cap %p session %p %s -> %s (revoking %s)\n",
> inode, cap, cap->session,
Applied.
Thanks,
Ilya