2a58b312b6
Notable upstream pull request merges: #12194 Fix short-lived txg caused by autotrim #13368 ZFS_IOC_COUNT_FILLED does unnecessary txg_wait_synced() #13392 Implementation of block cloning for ZFS #13741 SHA2 reworking and API for iterating over multiple implementations #14282 Sync thread should avoid holding the spa config write lock when possible #14283 txg_sync should handle write errors in ZIL #14359 More adaptive ARC eviction #14469 Fix NULL pointer dereference in zio_ready() #14479 zfs redact fails when dnodesize=auto #14496 improve error message of zfs redact #14500 Skip memory allocation when compressing holes #14501 FreeBSD: don't verify recycled vnode for zfs control directory #14502 partially revert PR 14304 (eee9362a7) #14509 Fix per-jail zfs.mount_snapshot setting #14514 Fix data race between zil_commit() and zil_suspend() #14516 System-wide speculative prefetch limit #14517 Use rw_tryupgrade() in dmu_bonus_hold_by_dnode() #14519 Do not hold spa_config in ZIL while blocked on IO #14523 Move dmu_buf_rele() after dsl_dataset_sync_done() #14524 Ignore too large stack in case of dsl_deadlist_merge #14526 Use .section .rodata instead of .rodata on FreeBSD #14528 ICP: AES-GCM: Refactor gcm_clear_ctx() #14529 ICP: AES-GCM: Unify gcm_init_ctx() and gmac_init_ctx() #14532 Handle unexpected errors in zil_lwb_commit() without ASSERT() #14544 icp: Prevent compilers from optimizing away memset() in gcm_clear_ctx() #14546 Revert zfeature_active() to static #14556 Remove bad kmem_free() oversight from previous zfsdev_state_list patch #14563 Optimize the is_l2cacheable functions #14565 FreeBSD: zfs_znode_alloc: lock the vnode earlier #14566 FreeBSD: fix false assert in cache_vop_rmdir when replaying ZIL #14567 spl: Add cmn_err_once() to log a message only on the first call #14568 Fix incremental receive silently failing for recursive sends #14569 Restore ASMABI and other Unify work #14576 Fix detection of IBM Power8 machines (ISA 2.07) #14577 Better handling for future crypto parameters #14600 zcommon: Refactor FPU state handling in fletcher4 #14603 Fix prefetching of indirect blocks while destroying #14633 Fixes in persistent error log #14639 FreeBSD: Remove extra arc_reduce_target_size() call #14641 Additional limits on hole reporting #14649 Drop lying to the compiler in the fletcher4 code #14652 panic loop when removing slog device #14653 Update vdev state for spare vdev #14655 Fix cloning into already dirty dbufs #14678 Revert "Do not hold spa_config in ZIL while blocked on IO" Obtained from: OpenZFS OpenZFS commit:431083f75b
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*-
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* Copyright (c) 2015 Allan Jude <allanjude@FreeBSD.org>
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* Copyright (c) 2015 Xin LI <delphij@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/time.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <libnvpair.h>
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#include <sys/vdev_impl.h>
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#include "fstyp.h"
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int
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fstyp_zfs(FILE *fp, char *label, size_t labelsize)
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{
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vdev_label_t *vdev_label = NULL;
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vdev_phys_t *vdev_phys;
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const char *zpool_name = NULL;
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nvlist_t *config = NULL;
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int err = 0;
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/*
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* Read in the first ZFS vdev label ("L0"), located at the beginning
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* of the vdev and extract the pool name from it.
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*
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* TODO: the checksum of label should be validated.
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*/
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vdev_label = (vdev_label_t *)read_buf(fp, 0, sizeof(*vdev_label));
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if (vdev_label == NULL)
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return (1);
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vdev_phys = &(vdev_label->vl_vdev_phys);
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if ((nvlist_unpack(vdev_phys->vp_nvlist, sizeof(vdev_phys->vp_nvlist),
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&config, 0)) == 0 &&
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(nvlist_lookup_string(config, "name", &zpool_name) == 0)) {
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strlcpy(label, zpool_name, labelsize);
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} else
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err = 1;
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nvlist_free(config);
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free(vdev_label);
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return (err);
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}
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