diff options
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_byteswap.c')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_byteswap.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_byteswap.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_byteswap.c new file mode 100644 index 0000000..c8450d4 --- /dev/null +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_byteswap.c @@ -0,0 +1,99 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (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 http://www.opensolaris.org/os/licensing. + * 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 2005 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/zfs_context.h> +#include <sys/vfs.h> +#include <sys/fs/zfs.h> +#include <sys/zfs_znode.h> +#include <sys/zfs_acl.h> + +void +zfs_ace_byteswap(ace_t *ace, int ace_cnt) +{ + int i; + + for (i = 0; i != ace_cnt; i++, ace++) { + ace->a_who = BSWAP_32(ace->a_who); + ace->a_access_mask = BSWAP_32(ace->a_access_mask); + ace->a_flags = BSWAP_16(ace->a_flags); + ace->a_type = BSWAP_16(ace->a_type); + } +} + +/* ARGSUSED */ +void +zfs_acl_byteswap(void *buf, size_t size) +{ + int cnt; + + /* + * Arggh, since we don't know how many ACEs are in + * the array, we have to swap the entire block + */ + + cnt = size / sizeof (ace_t); + + zfs_ace_byteswap((ace_t *)buf, cnt); +} + +void +zfs_znode_byteswap(void *buf, size_t size) +{ + znode_phys_t *zp = buf; + + ASSERT(size >= sizeof (znode_phys_t)); + + zp->zp_crtime[0] = BSWAP_64(zp->zp_crtime[0]); + zp->zp_crtime[1] = BSWAP_64(zp->zp_crtime[1]); + zp->zp_atime[0] = BSWAP_64(zp->zp_atime[0]); + zp->zp_atime[1] = BSWAP_64(zp->zp_atime[1]); + zp->zp_mtime[0] = BSWAP_64(zp->zp_mtime[0]); + zp->zp_mtime[1] = BSWAP_64(zp->zp_mtime[1]); + zp->zp_ctime[0] = BSWAP_64(zp->zp_ctime[0]); + zp->zp_ctime[1] = BSWAP_64(zp->zp_ctime[1]); + zp->zp_gen = BSWAP_64(zp->zp_gen); + zp->zp_mode = BSWAP_64(zp->zp_mode); + zp->zp_size = BSWAP_64(zp->zp_size); + zp->zp_parent = BSWAP_64(zp->zp_parent); + zp->zp_links = BSWAP_64(zp->zp_links); + zp->zp_xattr = BSWAP_64(zp->zp_xattr); + zp->zp_rdev = BSWAP_64(zp->zp_rdev); + zp->zp_flags = BSWAP_64(zp->zp_flags); + zp->zp_uid = BSWAP_64(zp->zp_uid); + zp->zp_gid = BSWAP_64(zp->zp_gid); + zp->zp_pad[0] = BSWAP_64(zp->zp_pad[0]); + zp->zp_pad[1] = BSWAP_64(zp->zp_pad[1]); + zp->zp_pad[2] = BSWAP_64(zp->zp_pad[2]); + zp->zp_pad[3] = BSWAP_64(zp->zp_pad[3]); + + zp->zp_acl.z_acl_extern_obj = BSWAP_64(zp->zp_acl.z_acl_extern_obj); + zp->zp_acl.z_acl_count = BSWAP_32(zp->zp_acl.z_acl_count); + zp->zp_acl.z_acl_version = BSWAP_16(zp->zp_acl.z_acl_version); + zp->zp_acl.z_acl_pad = BSWAP_16(zp->zp_acl.z_acl_pad); + zfs_ace_byteswap(&zp->zp_acl.z_ace_data[0], ACE_SLOT_CNT); +} |
