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From stef...@apache.org
Subject svn commit: r1785766 - in /subversion/trunk/subversion/libsvn_fs_x: ./ transaction.c
Date Mon, 06 Mar 2017 20:58:32 GMT
Author: stefan2
Date: Mon Mar  6 20:58:32 2017
New Revision: 1785766

URL: http://svn.apache.org/viewvc?rev=1785766&view=rev
Log:
Port the "no sharing of dir reps" patch (r1785053) from FSFS to FSX.
Lots of text conflicts needed to be resolved while the overall code
churn is quite low.

Modified:
    subversion/trunk/subversion/libsvn_fs_x/   (props changed)
    subversion/trunk/subversion/libsvn_fs_x/transaction.c

Propchange: subversion/trunk/subversion/libsvn_fs_x/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Mon Mar  6 20:58:32 2017
@@ -95,5 +95,5 @@
 /subversion/branches/verify-at-commit/subversion/libsvn_fs_x:1462039-1462408
 /subversion/branches/verify-keep-going/subversion/libsvn_fs_x:1439280-1492639,1546002-1546110
 /subversion/branches/wc-collate-path/subversion/libsvn_fs_x:1402685-1480384
-/subversion/trunk/subversion/libsvn_fs_fs:1415133-1596500,1596567,1597414,1597989,1598273,1599140,1600872,1601633,1603485-1603487,1603499,1603605,1604128,1604188,1604413-1604414,1604416-1604417,1604421,1604442,1604700,1604717,1604720,1604726,1604755,1604794,1604802,1604824,1604836,1604844,1604902-1604903,1604911,1604925,1604933,1604947,1605059-1605060,1605064-1605065,1605068,1605071-1605073,1605075,1605123,1605188-1605189,1605191,1605197,1605444,1605633,1606132,1606142,1606144,1606514,1606526,1606528,1606551,1606554,1606564,1606598-1606599,1606656,1606658,1606662,1606744,1606840,1607085,1607572,1612407,1612810,1613339,1613872,1614611,1615348,1615351-1615352,1615356,1616338-1616339,1616613,1617586,1617688,1618138,1618151,1618153,1618226,1618641,1618653,1618662,1619068,1619358,1619413,1619769,1619774,1620602,1620909,1620912,1620928,1620930,1621275,1621635,1622931,1622937,1622942,1622946,1622959-1622960,1622963,1622987,1623007,1623368,1623373,1623377,1623379,1623381,1623398,1623402,162
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+/subversion/trunk/subversion/libsvn_fs_fs:1415133-1596500,1596567,1597414,1597989,1598273,1599140,1600872,1601633,1603485-1603487,1603499,1603605,1604128,1604188,1604413-1604414,1604416-1604417,1604421,1604442,1604700,1604717,1604720,1604726,1604755,1604794,1604802,1604824,1604836,1604844,1604902-1604903,1604911,1604925,1604933,1604947,1605059-1605060,1605064-1605065,1605068,1605071-1605073,1605075,1605123,1605188-1605189,1605191,1605197,1605444,1605633,1606132,1606142,1606144,1606514,1606526,1606528,1606551,1606554,1606564,1606598-1606599,1606656,1606658,1606662,1606744,1606840,1607085,1607572,1612407,1612810,1613339,1613872,1614611,1615348,1615351-1615352,1615356,1616338-1616339,1616613,1617586,1617688,1618138,1618151,1618153,1618226,1618641,1618653,1618662,1619068,1619358,1619413,1619769,1619774,1620602,1620909,1620912,1620928,1620930,1621275,1621635,1622931,1622937,1622942,1622946,1622959-1622960,1622963,1622987,1623007,1623368,1623373,1623377,1623379,1623381,1623398,1623402,162
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 1651567,1652068,1652076,1652441,1652451,1653608,1654932,1654934,1654937,1655635,1655649,1655651,1655664,1656176,1657525,1657972,1657978,1658482,1659212,1659217,1659314,1659509,1662668,1665318,1665854,1665894,1667090,1667101,1667538,1669743,1669746,1669749,1669945,1670139,1670953,1673170,1673197,1673202,1673204,1673445,1673454,1673685,1673689,1673875,1674165,1674341,1674400,1674404,1674631,1674669,1674673,1675396,1676667,1677431,1678149,1678151,1678718,1678725,1679169,1679907,1679920-1679924,1679926,1680347,1680460,1680464,1680476,1680819,1681949,1681966,1681974,1681994,1682008,1682076,1682086,1682093,1682259,1682265,1682739,1682864,1683311,1683330,1683378,1683544,1683553,1684047,1686232,1686542,1686546,1686554,1686557,1687061,1687064,1687070-1687071,1687074,1687078-1687079,1688270,1688425,1692650,1693886,1694489,1694848,1696171,1696185,1696627-1696628,1696630,1696758,1697372,1697381,1697387,1697393,1697403,1697405,1701017,1701053,1702600,1702922,1703069,1703142,1703237,1703240,17052
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 /subversion/trunk/subversion/libsvn_fs_x:1414756-1509914

Modified: subversion/trunk/subversion/libsvn_fs_x/transaction.c
URL: http://svn.apache.org/viewvc/subversion/trunk/subversion/libsvn_fs_x/transaction.c?rev=1785766&r1=1785765&r2=1785766&view=diff
==============================================================================
--- subversion/trunk/subversion/libsvn_fs_x/transaction.c (original)
+++ subversion/trunk/subversion/libsvn_fs_x/transaction.c Mon Mar  6 20:58:32 2017
@@ -2754,11 +2754,14 @@ write_directory_to_stream(svn_stream_t *
 /* Write out the COLLECTION pertaining to the NODEREV in FS as a deltified
    text representation to file FILE using WRITER.  In the process, record the
    total size and the md5 digest in REP and add the representation of type
-   ITEM_TYPE to the indexes if necessary.  If rep sharing has been enabled and
-   REPS_HASH is not NULL, it will be used in addition to the on-disk cache to
-   find earlier reps with the same content.  When such existing reps can be
-   found, we will truncate the one just written from the file and return the
-   existing rep.
+   ITEM_TYPE to the indexes if necessary.
+
+   If ALLOW_REP_SHARING is FALSE, rep-sharing will not be used, regardless
+   of any other option and rep-sharing settings.  If rep sharing has been
+   enabled and REPS_HASH is not NULL, it will be used in addition to the
+   on-disk cache to find earlier reps with the same content.  If such
+   existing reps can be found, we will truncate the one just written from
+   the file and return the existing rep.
 
    If ITEM_TYPE is IS_PROPS equals SVN_FS_FS__ITEM_TYPE_*_PROPS, assume
    that we want to a props representation as the base for our delta.
@@ -2775,6 +2778,7 @@ write_container_delta_rep(svn_fs_x__repr
                           svn_fs_x__txn_id_t txn_id,
                           svn_fs_x__noderev_t *noderev,
                           apr_hash_t *reps_hash,
+                          svn_boolean_t allow_rep_sharing,
                           apr_uint32_t item_type,
                           svn_revnum_t final_revision,
                           apr_pool_t *scratch_pool)
@@ -2786,7 +2790,7 @@ write_container_delta_rep(svn_fs_x__repr
   svn_stream_t *file_stream;
   svn_stream_t *stream;
   svn_fs_x__representation_t *base_rep;
-  svn_fs_x__representation_t *old_rep;
+  svn_fs_x__representation_t *old_rep = NULL;
   svn_fs_x__p2l_entry_t entry;
   svn_stream_t *source;
   svn_fs_x__rep_header_t header = { 0 };
@@ -2856,8 +2860,9 @@ write_container_delta_rep(svn_fs_x__repr
 
   /* Check and see if we already have a representation somewhere that's
      identical to the one we just wrote out. */
-  SVN_ERR(get_shared_rep(&old_rep, fs, rep, reps_hash, scratch_pool,
-                         scratch_pool));
+  if (allow_rep_sharing)
+    SVN_ERR(get_shared_rep(&old_rep, fs, rep, reps_hash, scratch_pool,
+                           scratch_pool));
 
   if (old_rep)
     {
@@ -3076,7 +3081,7 @@ write_final_rev(svn_fs_x__id_t *new_id_p
           SVN_ERR(write_container_delta_rep(noderev->data_rep, file,
                                             entries,
                                             write_directory_to_stream,
-                                            fs, txn_id, noderev, NULL,
+                                            fs, txn_id, noderev, NULL, FALSE,
                                             SVN_FS_X__ITEM_TYPE_DIR_REP,
                                             rev, scratch_pool));
 
@@ -3128,8 +3133,8 @@ write_final_rev(svn_fs_x__id_t *new_id_p
 
       SVN_ERR(write_container_delta_rep(noderev->prop_rep, file, proplist,
                                         write_hash_to_stream, fs, txn_id,
-                                        noderev, reps_hash, item_type, rev,
-                                        scratch_pool));
+                                        noderev, reps_hash, TRUE, item_type,
+                                        rev, scratch_pool));
     }
 
   /* Convert our temporary ID into a permanent revision one. */



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