Author: delphij
Date: Thu Sep  5 17:56:00 2013
New Revision: 255257
URL: http://svnweb.freebsd.org/changeset/base/255257

Log:
  Update vendor-sys/illumos/dist to 14172:be36a38bac3d:
  
  Illumos ZFS issues:
    4082 zfs receive gets EFBIG from dmu_tx_hold_free()

Modified:
  vendor-sys/illumos/dist/uts/common/fs/zfs/dmu.c
  vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_tx.c

Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dmu.c
==============================================================================
--- vendor-sys/illumos/dist/uts/common/fs/zfs/dmu.c     Thu Sep  5 17:55:14 
2013        (r255256)
+++ vendor-sys/illumos/dist/uts/common/fs/zfs/dmu.c     Thu Sep  5 17:56:00 
2013        (r255257)
@@ -673,6 +673,16 @@ dmu_free_long_range(objset_t *os, uint64
        if (err != 0)
                return (err);
        err = dmu_free_long_range_impl(os, dn, offset, length);
+
+       /*
+        * It is important to zero out the maxblkid when freeing the entire
+        * file, so that (a) subsequent calls to dmu_free_long_range_impl()
+        * will take the fast path, and (b) dnode_reallocate() can verify
+        * that the entire file has been freed.
+        */
+       if (offset == 0 && length == DMU_OBJECT_END)
+               dn->dn_maxblkid = 0;
+
        dnode_rele(dn, FTAG);
        return (err);
 }

Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_tx.c
==============================================================================
--- vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_tx.c  Thu Sep  5 17:55:14 
2013        (r255256)
+++ vendor-sys/illumos/dist/uts/common/fs/zfs/dmu_tx.c  Thu Sep  5 17:56:00 
2013        (r255257)
@@ -605,7 +605,6 @@ dmu_tx_hold_free(dmu_tx_t *tx, uint64_t 
        if (len == DMU_OBJECT_END)
                len = (dn->dn_maxblkid+1) * dn->dn_datablksz - off;
 
-
        /*
         * For i/o error checking, we read the first and last level-0
         * blocks if they are not aligned, and all the level-1 blocks.
@@ -617,7 +616,7 @@ dmu_tx_hold_free(dmu_tx_t *tx, uint64_t 
         */
        if (dn->dn_datablkshift == 0) {
                if (off != 0 || len < dn->dn_datablksz)
-                       dmu_tx_count_write(txh, off, len);
+                       dmu_tx_count_write(txh, 0, dn->dn_datablksz);
        } else {
                /* first block will be modified if it is not aligned */
                if (!IS_P2ALIGNED(off, 1 << dn->dn_datablkshift))
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