File Manager

003 File Manager

Current Path: /usr/src/sys/contrib/openzfs/module/zfs

usr / src / sys / contrib / openzfs / module / zfs /

📁 ..
📄 Makefile.in(4.57 KB)
📄 THIRDPARTYLICENSE.cityhash(1.03 KB)
📄 THIRDPARTYLICENSE.cityhash.descrip(39 B)
📄 abd.c(31.72 KB)
📄 aggsum.c(8.46 KB)
📄 arc.c(330.91 KB)
📄 blkptr.c(4.26 KB)
📄 bplist.c(2.38 KB)
📄 bpobj.c(27.82 KB)
📄 bptree.c(8.2 KB)
📄 bqueue.c(4.7 KB)
📄 btree.c(65.19 KB)
📄 dataset_kstats.c(6.32 KB)
📄 dbuf.c(141.84 KB)
📄 dbuf_stats.c(6.05 KB)
📄 ddt.c(28.01 KB)
📄 ddt_zap.c(4.38 KB)
📄 dmu.c(60.44 KB)
📄 dmu_diff.c(6.25 KB)
📄 dmu_object.c(14.73 KB)
📄 dmu_objset.c(79.38 KB)
📄 dmu_recv.c(98.69 KB)
📄 dmu_redact.c(37.09 KB)
📄 dmu_send.c(95.51 KB)
📄 dmu_traverse.c(21.98 KB)
📄 dmu_tx.c(40.13 KB)
📄 dmu_zfetch.c(13.56 KB)
📄 dnode.c(71.32 KB)
📄 dnode_sync.c(24.93 KB)
📄 dsl_bookmark.c(51.22 KB)
📄 dsl_crypt.c(78.06 KB)
📄 dsl_dataset.c(141.61 KB)
📄 dsl_deadlist.c(27.94 KB)
📄 dsl_deleg.c(19.92 KB)
📄 dsl_destroy.c(36.73 KB)
📄 dsl_dir.c(65.45 KB)
📄 dsl_pool.c(42.92 KB)
📄 dsl_prop.c(32.88 KB)
📄 dsl_scan.c(134.47 KB)
📄 dsl_synctask.c(7.94 KB)
📄 dsl_userhold.c(18.26 KB)
📄 edonr_zfs.c(3.21 KB)
📄 fm.c(39.75 KB)
📄 gzip.c(2.57 KB)
📄 hkdf.c(4.5 KB)
📄 lz4.c(26.46 KB)
📄 lzjb.c(3.85 KB)
📄 metaslab.c(190.62 KB)
📄 mmp.c(24.93 KB)
📄 multilist.c(12.21 KB)
📄 objlist.c(2.58 KB)
📄 pathname.c(2.52 KB)
📄 range_tree.c(24.9 KB)
📄 refcount.c(7.82 KB)
📄 rrwlock.c(10.82 KB)
📄 sa.c(59.23 KB)
📄 sha256.c(2.89 KB)
📄 skein_zfs.c(2.92 KB)
📄 spa.c(272.81 KB)
📄 spa_boot.c(1.28 KB)
📄 spa_checkpoint.c(21.54 KB)
📄 spa_config.c(16.97 KB)
📄 spa_errlog.c(11.35 KB)
📄 spa_history.c(17.75 KB)
📄 spa_log_spacemap.c(47.13 KB)
📄 spa_misc.c(75.4 KB)
📄 spa_stats.c(27.08 KB)
📄 space_map.c(31.45 KB)
📄 space_reftree.c(4.21 KB)
📄 txg.c(27.49 KB)
📄 uberblock.c(2.17 KB)
📄 unique.c(2.53 KB)
📄 vdev.c(143.91 KB)
📄 vdev_cache.c(11.71 KB)
📄 vdev_draid.c(96.86 KB)
📄 vdev_draid_rand.c(1.16 KB)
📄 vdev_indirect.c(60.83 KB)
📄 vdev_indirect_births.c(5.88 KB)
📄 vdev_indirect_mapping.c(18.06 KB)
📄 vdev_initialize.c(22.38 KB)
📄 vdev_label.c(57.52 KB)
📄 vdev_mirror.c(26.76 KB)
📄 vdev_missing.c(3.74 KB)
📄 vdev_queue.c(37.61 KB)
📄 vdev_raidz.c(76.09 KB)
📄 vdev_raidz_math.c(17.18 KB)
📄 vdev_raidz_math_aarch64_neon.c(112.13 KB)
📄 vdev_raidz_math_aarch64_neon_common.h(23.64 KB)
📄 vdev_raidz_math_aarch64_neonx2.c(5.39 KB)
📄 vdev_raidz_math_avx2.c(10.64 KB)
📄 vdev_raidz_math_avx512bw.c(10.93 KB)
📄 vdev_raidz_math_avx512f.c(17.9 KB)
📄 vdev_raidz_math_impl.h(34.78 KB)
📄 vdev_raidz_math_powerpc_altivec.c(213.46 KB)
📄 vdev_raidz_math_powerpc_altivec_common.h(22.62 KB)
📄 vdev_raidz_math_scalar.c(9.54 KB)
📄 vdev_raidz_math_sse2.c(25.84 KB)
📄 vdev_raidz_math_ssse3.c(118 KB)
📄 vdev_rebuild.c(34.65 KB)
📄 vdev_removal.c(72.08 KB)
📄 vdev_root.c(4.28 KB)
📄 vdev_trim.c(50.92 KB)
📄 zap.c(35.35 KB)
📄 zap_leaf.c(22.75 KB)
📄 zap_micro.c(42.18 KB)
📄 zcp.c(42.29 KB)
📄 zcp_get.c(21.01 KB)
📄 zcp_global.c(1.9 KB)
📄 zcp_iter.c(18.21 KB)
📄 zcp_set.c(2.37 KB)
📄 zcp_synctask.c(13.69 KB)
📄 zfeature.c(17.6 KB)
📄 zfs_byteswap.c(5.64 KB)
📄 zfs_fm.c(40.58 KB)
📄 zfs_fuid.c(19.69 KB)
📄 zfs_ioctl.c(195.48 KB)
📄 zfs_log.c(20.6 KB)
📄 zfs_onexit.c(5.09 KB)
📄 zfs_quota.c(12.93 KB)
📄 zfs_ratelimit.c(2.35 KB)
📄 zfs_replay.c(26.11 KB)
📄 zfs_rlock.c(20.38 KB)
📄 zfs_sa.c(13.09 KB)
📄 zfs_vnops.c(22 KB)
📄 zil.c(111.32 KB)
📄 zio.c(144.72 KB)
📄 zio_checksum.c(17.28 KB)
📄 zio_compress.c(5.92 KB)
📄 zio_inject.c(25.79 KB)
📄 zle.c(2.52 KB)
📄 zrlock.c(4.45 KB)
📄 zthr.c(16.41 KB)
📄 zvol.c(42.96 KB)

Editing: zfs_byteswap.c

/*
 * 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 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 2010 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#include <sys/zfs_context.h>
#include <sys/vfs.h>
#include <sys/fs/zfs.h>
#include <sys/zfs_znode.h>
#include <sys/zfs_sa.h>
#include <sys/zfs_acl.h>

#ifndef _KERNEL
static
#endif
void
zfs_oldace_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);
	}
}

/*
 * swap ace_t and ace_object_t
 */
#ifndef _KERNEL
static
#endif
void
zfs_ace_byteswap(void *buf, size_t size, boolean_t zfs_layout)
{
	caddr_t end;
	caddr_t ptr;
	zfs_ace_t *zacep = NULL;
	ace_t *acep;
	uint16_t entry_type;
	size_t entry_size;
	int ace_type;

end = (caddr_t)buf + size;
	ptr = buf;

while (ptr < end) {
		if (zfs_layout) {
			/*
			 * Avoid overrun.  Embedded aces can have one
			 * of several sizes.  We don't know exactly
			 * how many our present, only the size of the
			 * buffer containing them.  That size may be
			 * larger than needed to hold the aces
			 * present.  As long as we do not do any
			 * swapping beyond the end of our block we are
			 * okay.  It is safe to swap any non-ace data
			 * within the block since it is just zeros.
			 */
			if (ptr + sizeof (zfs_ace_hdr_t) > end) {
				break;
			}
			zacep = (zfs_ace_t *)ptr;
			zacep->z_hdr.z_access_mask =
			    BSWAP_32(zacep->z_hdr.z_access_mask);
			zacep->z_hdr.z_flags = BSWAP_16(zacep->z_hdr.z_flags);
			ace_type = zacep->z_hdr.z_type =
			    BSWAP_16(zacep->z_hdr.z_type);
			entry_type = zacep->z_hdr.z_flags & ACE_TYPE_FLAGS;
		} else {
			/* Overrun avoidance */
			if (ptr + sizeof (ace_t) > end) {
				break;
			}
			acep = (ace_t *)ptr;
			acep->a_access_mask = BSWAP_32(acep->a_access_mask);
			acep->a_flags = BSWAP_16(acep->a_flags);
			ace_type = acep->a_type = BSWAP_16(acep->a_type);
			acep->a_who = BSWAP_32(acep->a_who);
			entry_type = acep->a_flags & ACE_TYPE_FLAGS;
		}
		switch (entry_type) {
		case ACE_OWNER:
		case ACE_EVERYONE:
		case (ACE_IDENTIFIER_GROUP | ACE_GROUP):
			entry_size = zfs_layout ?
			    sizeof (zfs_ace_hdr_t) : sizeof (ace_t);
			break;
		case ACE_IDENTIFIER_GROUP:
		default:
			/* Overrun avoidance */
			if (zfs_layout) {
				if (ptr + sizeof (zfs_ace_t) <= end) {
					zacep->z_fuid = BSWAP_64(zacep->z_fuid);
				} else {
					entry_size = sizeof (zfs_ace_t);
					break;
				}
			}
			switch (ace_type) {
			case ACE_ACCESS_ALLOWED_OBJECT_ACE_TYPE:
			case ACE_ACCESS_DENIED_OBJECT_ACE_TYPE:
			case ACE_SYSTEM_AUDIT_OBJECT_ACE_TYPE:
			case ACE_SYSTEM_ALARM_OBJECT_ACE_TYPE:
				entry_size = zfs_layout ?
				    sizeof (zfs_object_ace_t) :
				    sizeof (ace_object_t);
				break;
			default:
				entry_size = zfs_layout ? sizeof (zfs_ace_t) :
				    sizeof (ace_t);
				break;
			}
		}
		ptr = ptr + entry_size;
	}
}

/* ARGSUSED */
void
zfs_oldacl_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_oldace_byteswap((ace_t *)buf, cnt);
}

/* ARGSUSED */
void
zfs_acl_byteswap(void *buf, size_t size)
{
	zfs_ace_byteswap(buf, size, B_TRUE);
}

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_zap = BSWAP_64(zp->zp_zap);
	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_acl.z_acl_extern_obj = BSWAP_64(zp->zp_acl.z_acl_extern_obj);
	zp->zp_acl.z_acl_size = BSWAP_32(zp->zp_acl.z_acl_size);
	zp->zp_acl.z_acl_version = BSWAP_16(zp->zp_acl.z_acl_version);
	zp->zp_acl.z_acl_count = BSWAP_16(zp->zp_acl.z_acl_count);
	if (zp->zp_acl.z_acl_version == ZFS_ACL_VERSION) {
		zfs_acl_byteswap((void *)&zp->zp_acl.z_ace_data[0],
		    ZFS_ACE_SPACE);
	} else {
		zfs_oldace_byteswap((ace_t *)&zp->zp_acl.z_ace_data[0],
		    ACE_SLOT_CNT);
	}
}

#if defined(_KERNEL)
EXPORT_SYMBOL(zfs_oldacl_byteswap);
EXPORT_SYMBOL(zfs_acl_byteswap);
EXPORT_SYMBOL(zfs_znode_byteswap);
#endif

003 File Manager

Editing: zfs_byteswap.c

Upload File

Create Folder