> Index: linux-2.6/mm/truncate.c > =================================================================== > --- linux-2.6.orig/mm/truncate.c > +++ linux-2.6/mm/truncate.c > @@ -465,3 +465,79 @@ int invalidate_inode_pages2(struct addre > return invalidate_inode_pages2_range(mapping, 0, -1); > } > EXPORT_SYMBOL_GPL(invalidate_inode_pages2); > + > +/** > + * truncate_pagecache - unmap mappings "freed" by truncate() syscall > + * @inode: inode > + * @old: old file offset > + * @new: new file offset > + * > + * inode's new i_size must already be written before truncate_pagecache > + * is called. > + */ > +void truncate_pagecache(struct inode * inode, loff_t old, loff_t new) > +{ > + VM_BUG_ON(inode->i_size != new); This is not true for fuse (and NFS?) as i_size isn't protected by i_mutex during attribute revalidation, and so it can change during the truncate. Thanks, Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html