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Date:      Thu, 2 Feb 2017 17:24:55 +0300
From:      Slawa Olhovchenkov <slw@zxy.spb.ru>
To:        freebsd-fs@freebsd.org, killing@multiplay.co.uk
Subject:   Re: ZFS: mkdir: File too large
Message-ID:  <20170202142455.GB26493@zxy.spb.ru>
In-Reply-To: <20170202115304.GA26493@zxy.spb.ru>
References:  <20170202115304.GA26493@zxy.spb.ru>

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> Try tracing SET_ERROR for EFBIG with dtrace to determine underlying
> cause.

  0  37281                   none:set-error set-error 27
              zfs.ko`zfs_freebsd_mkdir+0x3a3
              kernel`VOP_MKDIR_APV+0x8a
              kernel`kern_mkdirat+0x1e1
              kernel`amd64_syscall+0x50e
              kernel`0xffffffff8079499b

(kgdb) x zfs_freebsd_mkdir+0x3a3
0xffffffff81171813 <zfs_freebsd_mkdir+931>:     0xb4b78b45
Current language:  auto; currently minimal
(kgdb) info line *0xffffffff81171813
Line 2145 of "/usr/src/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c" starts at address 0xffffffff81171813 <zfs_freebsd_mkdir+931> and ends at 0xffffffff8117181a <zfs_freebsd_mkdir+938>.

  2138          /*
  2139           * Add a new entry to the directory.
  2140           */
  2141          getnewvnode_reserve(1);
  2142          tx = dmu_tx_create(zfsvfs->z_os);
  2143          dmu_tx_hold_zap(tx, dzp->z_id, TRUE, dirname);
  2144          dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL);
  2145          fuid_dirtied = zfsvfs->z_fuid_dirty;
  2146          if (fuid_dirtied)
  2147                  zfs_fuid_txhold(zfsvfs, tx);
  2148          if (!zfsvfs->z_use_sa && acl_ids.z_aclp->z_acl_bytes > ZFS_ACE_SPACE) {
  2149                  dmu_tx_hold_write(tx, DMU_NEW_OBJECT, 0,
  2150                      acl_ids.z_aclp->z_acl_bytes);
  2151          }

PS: Please, CC me



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