On Tue, 2017-06-27 at 21:43 +0800, Yan, Zheng wrote:
> Signed-off-by: "Yan, Zheng" <zyan@xxxxxxxxxx>
> ---
> fs/ceph/caps.c | 11 +++++++++--
> 1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
> index f555245..7007ae2 100644
> --- a/fs/ceph/caps.c
> +++ b/fs/ceph/caps.c
> @@ -3809,6 +3809,7 @@ void ceph_handle_caps(struct ceph_mds_session *session,
> */
> void ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
> {
> + struct inode *inode;
> struct ceph_inode_info *ci;
> int flags = CHECK_CAPS_NODELAY;
>
> @@ -3824,9 +3825,15 @@ void ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
> time_before(jiffies, ci->i_hold_caps_max))
> break;
> list_del_init(&ci->i_cap_delay_list);
> +
> + inode = igrab(&ci->vfs_inode);
> spin_unlock(&mdsc->cap_delay_lock);
> - dout("check_delayed_caps on %p\n", &ci->vfs_inode);
> - ceph_check_caps(ci, flags, NULL);
> +
> + if (inode) {
> + dout("check_delayed_caps on %p\n", inode);
> + ceph_check_caps(ci, flags, NULL);
> + iput(inode);
> + }
> }
> spin_unlock(&mdsc->cap_delay_lock);
> }
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
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