-GNU tar NEWS - User visible changes. 2010-09-06
+GNU tar NEWS - User visible changes. 2010-09-12
Please send GNU tar bug reports to <bug-tar@gnu.org>
\f
** 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. The new checks are
-implemented via the openat, fstatat, and readlinkat calls standardized
-by POSIX.1-2008. On an older system that lacks these calls, tar
-emulates them at some cost in efficiency and reliability.
+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.