On Wed, 2020-07-29 at 10:12 -0400, Dave Wysochanski wrote: > Handle truncate / setattr when fscache is enabled by calling > fscache_resize_cookie(). > > Signed-off-by: Dave Wysochanski <dwysocha@xxxxxxxxxx> > --- > fs/nfs/inode.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c > index 45067303348c..6b814246d07d 100644 > --- a/fs/nfs/inode.c > +++ b/fs/nfs/inode.c > @@ -667,6 +667,7 @@ static int nfs_vmtruncate(struct inode * inode, loff_t offset) > spin_unlock(&inode->i_lock); > truncate_pagecache(inode, offset); > spin_lock(&inode->i_lock); > + fscache_resize_cookie(nfs_i_fscache(inode), i_size_read(inode)); > out: > return err; > } truncate can happen even when you have no open file descriptors on the file and therefore w/o the cookie being "used". In the ceph vmtruncate handling code, I do an explicit use/unuse around this call. Do you need to do the same here? -- Jeff Layton <jlayton@xxxxxxxxxx>
