X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=NEWS;h=667fad83f76031f007b069c2ee733ffae33d92f2;hb=8da503cad6e883b30c05749149084d24319063b4;hp=11d3fa0f5c84c1f71364d9b265af1a3e51034ec4;hpb=b4bcb97e386a30996d3d4df8255116fc09c1f505;p=chaz%2Ftar

diff --git a/NEWS b/NEWS
index 11d3fa0..667fad8 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-GNU tar NEWS - User visible changes. 2010-03-28
+GNU tar NEWS - User visible changes. 2010-09-12
 Please send GNU tar bug reports to <bug-tar@gnu.org>
 
 
@@ -11,6 +11,18 @@ time stamps to the full resolution.
 
 * Bugfixes.
 
+** More reliable directory traversal when creating archives
+
+Tar now checks for inconsistencies caused when a file system is
+modified while tar is creating an archive.  In the new approach, tar
+maintains a cache of file descriptors to directories, so it uses more
+file descriptors before, but it gracefully adjusts to system limits on
+the number of file descriptors.  The new checks are implemented via
+the openat, dirfd, fdopendir, fstatat, and readlinkat calls
+standardized by POSIX.1-2008.  On an older system where these calls do
+not exist or do not return useful results, tar emulates the calls at
+some cost in efficiency and reliability.
+
 ** Spurious error diagnostics on broken pipe.
 
 When receiving SIGPIPE, tar would exit with error status and
@@ -46,7 +58,12 @@ update of an archive:
 
   tar -rf archive --label 'My volume' .
 
-This did not work in previous versions, in spite of what the docs said.  
+This did not work in previous versions, in spite of what the docs said.
+
+** --record-size and --tape-length (-L) options
+
+Usual size suffixes are allowed for these options.  For example,
+-L10k stands for a 10 kilobyte tape length.
 
 ** Fix dead loop on extracting existing symlinks with the -k option.
 
@@ -129,7 +146,7 @@ the Epoch or a `Time reference' (see below).
 * Time references in --pax-option argument.
 
 Any value from the --pax-option argument that is enclosed in a pair
-of curly braces represents a time reference.  The string between the 
+of curly braces represents a time reference.  The string between the
 braces is understood either as a textual time representation, as described in
 chapter 7, "Date input formats", of the Tar manual, or as a name of
 an existing file, starting with `/' or `.'.  In the latter
@@ -163,14 +180,14 @@ version 1.22 - Sergey Poznyakoff, 2009-03-05
 
 * Support for xz compression
 
-Tar uses xz for compression if one of the following conditions is met: 
+Tar uses xz for compression if one of the following conditions is met:
 
  1. The option --xz or -J (see below) is used.
  2. The xz binary is set as compressor using --use-compress-program option.
  3. The file name of the archive being created ends in `.xz' and
  auto-compress option (-a) is used.
 
-Xz is used for decompression if one of the following conditions is met: 
+Xz is used for decompression if one of the following conditions is met:
 
  1. The option --xz or -J is used.
  2. The xz binary is set as compressor using --use-compress-program option.
@@ -223,7 +240,7 @@ control type of archive members affected by them.  The flags are:
  - s
    Apply transformation to symbolic link targets.
 
- - h  
+ - h
    Apply transformation to hard link targets.
 
 Corresponding upper-case letters negate the meaning, so that
@@ -302,7 +319,7 @@ during both creation and extraction.  Tar 1.19 used them only
 during extraction.
 
 For a detailed description, see chapter 6.7 "Modifying File and Member
-Names". 
+Names".
 
 * Info (end-of-volume) scripts
 
@@ -329,8 +346,8 @@ control systems, e.g. "CVS/", ".svn/", etc.
 
 The following options now work with incremental archives as well:
 
-  --exclude-caches       
-  --exclude-caches-all   
+  --exclude-caches
+  --exclude-caches-all
   --exclude-tag
   --exclude-tag-all
   --exclude-tag-under
@@ -341,7 +358,7 @@ Previous versions always stored absolute file names in rename
 records, even if -P was not used. This is fixed: rename records
 contain file names processed in accordance with the command line
 settings.
-  
+
 * Fix --version output.
 
 * Recognition of broken archives.