On Mon, Oct 29, 2018 at 1:52 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > On Mon, Oct 29, 2018 at 10:51:14AM -0700, Matthew Wilcox wrote: > > On Mon, Oct 29, 2018 at 01:40:59PM -0400, Olga Kornievskaia wrote: > > > + c_in = (NFS_SERVER(file_inode(file_in)))->nfs_client; > > > > Seems to be an unnecessary pair of brackets there, given existing code: > > > > fs/nfs/delegation.c: struct nfs_client *clp = NFS_SERVER(inode)->nfs_client; > > fs/nfs/dir.c: NFS_SERVER(inode)->dtsize, desc->plus); > > fs/nfs/file.c: if (NFS_SERVER(inode)->flags & NFS_MOUNT_LOCAL_FCNTL) > > (etc) > > > > > + if (c_in->cl_minorversion < 2) > > > > in fact, can't you make this even simpler ... > > > > if (NFS_SERVER(inode)->nfs_client->cl_minorversion < 2) > > Oops. Typed too fast: > > if (NFS_SERVER(file_inode(file_in)))->nfs_client->cl_minorversion < 2) > > > I thought you needed to cast it, but code like this: > > > > fs/nfs/nfs4proc.c: NFS_SERVER(dir)->nfs_client->cl_hostname); > > > > would indicate not. You are right. Then no declaration is needed. I'll change it. Thank you.