btrfs: remove unused mnt from send_ctx

Unused since ed2590953bd06b892f0411fc94e19175d32f197a
"Btrfs: stop using vfs_read in send".

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 8230d11f2cca..e98c9bc003c8 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -88,8 +88,6 @@ struct send_ctx {
         u64 cmd_send_size[BTRFS_SEND_C_MAX + 1];
         u64 flags;      /* 'flags' member of btrfs_ioctl_send_args is u64 */
 
-        struct vfsmount *mnt;
-
         struct btrfs_root *send_root;
         struct btrfs_root *parent_root;
         struct clone_root *clone_roots;
@@ -4851,8 +4849,6 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_)
                 goto out;
         }
 
-        sctx->mnt = mnt_file->f_path.mnt;
-
         sctx->send_root = send_root;
         sctx->clone_roots_cnt = arg->clone_sources_count;