diff --git a/include/os/linux/kernel/linux/dcache_compat.h b/include/os/linux/kernel/linux/dcache_compat.h index 4de1118daafa..c43e5b142fd6 100644 --- a/include/os/linux/kernel/linux/dcache_compat.h +++ b/include/os/linux/kernel/linux/dcache_compat.h @@ -1,85 +1,85 @@ /* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or https://opensource.org/licenses/CDDL-1.0. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (C) 2011 Lawrence Livermore National Security, LLC. */ #ifndef _ZFS_DCACHE_H #define _ZFS_DCACHE_H #include #define dname(dentry) ((char *)((dentry)->d_name.name)) #define dlen(dentry) ((int)((dentry)->d_name.len)) #ifndef HAVE_D_MAKE_ROOT #define d_make_root(inode) d_alloc_root(inode) #endif /* HAVE_D_MAKE_ROOT */ +#ifdef HAVE_DENTRY_D_U_ALIASES +#define d_alias d_u.d_alias +#endif + /* * 2.6.30 API change, * The const keyword was added to the 'struct dentry_operations' in * the dentry structure. To handle this we define an appropriate * dentry_operations_t typedef which can be used. */ typedef const struct dentry_operations dentry_operations_t; /* * 2.6.38 API addition, * Added d_clear_d_op() helper function which clears some flags and the * registered dentry->d_op table. This is required because d_set_d_op() * issues a warning when the dentry operations table is already set. * For the .zfs control directory to work properly we must be able to * override the default operations table and register custom .d_automount * and .d_revalidate callbacks. */ static inline void d_clear_d_op(struct dentry *dentry) { dentry->d_op = NULL; dentry->d_flags &= ~( DCACHE_OP_HASH | DCACHE_OP_COMPARE | DCACHE_OP_REVALIDATE | DCACHE_OP_DELETE); } /* * Walk and invalidate all dentry aliases of an inode * unless it's a mountpoint */ static inline void zpl_d_drop_aliases(struct inode *inode) { struct dentry *dentry; spin_lock(&inode->i_lock); -#ifdef HAVE_DENTRY_D_U_ALIASES - hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) { -#else hlist_for_each_entry(dentry, &inode->i_dentry, d_alias) { -#endif if (!IS_ROOT(dentry) && !d_mountpoint(dentry) && (dentry->d_inode == inode)) { d_drop(dentry); } } spin_unlock(&inode->i_lock); } #endif /* _ZFS_DCACHE_H */