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New configure option --enable-track-src-odirect

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This commit is contained in:
Thomas Schmitt 2009-11-28 12:41:16 +00:00
parent 5f23abebf1
commit 74d9c0069b
5 changed files with 32 additions and 3 deletions
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5
README
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@ -91,6 +91,11 @@ By default the filter feature is disabled if effective user id and real
user id differ. This ban can be lifted by
--enable-external-filters-setuid
In some situations Linux may deliver a better write performance to DVD drives
if 64 KB rather than 32 KB are transmitted in each write operation.
64k can be made default at configure time by:
--enable-dvd-obs-64k
Drives and Disk File Objects

12
xorriso/README
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@ -102,6 +102,18 @@ By default the filter feature is disabled if effective user id and real
user id differ. This ban can be lifted by
--enable-external-filters-setuid
In some situations Linux may deliver a better write performance to drives if
the track input is read with O_DIRECT (see man 2 open). The included libburn
and the cdrecord emulation of xorriso can be told to use this peculiar read
mode by:
--enable-track-src-odirect
But often libburn will yield even better performance in such a situation if
64 KB are transmitted in each write operation rather than 32 KB.
64k can be made default at configure time by:
--enable-dvd-obs-64k
This may be combined with above --enable-track-src-odirect .
If you want xorriso to report a "Build timestamp" with its option -version:
make buildstamped

11
xorriso/configure_ac.txt
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@ -216,6 +216,17 @@ else
fi
AC_SUBST(XORRISO_DVD_OBS_64K)
AC_ARG_ENABLE(track-src-odirect,
[ --enable-track-src-odirect Enable use of O_DIRECT with -as cdrskin, default=no],
, enable_track_src_odirect=no)
if test x$enable_track_src_odirect = xyes; then
LIBBURN_O_DIRECT_DEF="-DLibburn_read_o_direcT"
echo "enabled use of O_DIRECT with input of -as cdrskin"
else
LIBBURN_O_DIRECT_DEF=
echo "disabled use of O_DIRECT with input of -as cdrskin"
fi
AC_SUBST(LIBBURN_O_DIRECT_DEF)
AC_CONFIG_FILES([
Makefile

3
xorriso/xorriso_makefile_am.txt
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@ -22,7 +22,8 @@ xorriso_xorriso_CPPFLAGS = -I./libburn -I./libisofs -I./libisoburn -I./xorriso
# are in a separate readline-development package.
xorriso_xorriso_CFLAGS = -DXorriso_standalonE -DXorriso_with_maiN \
$(READLINE_DEF) $(LIBACL_DEF) $(XATTR_DEF) \
$(EXTF_DEF) $(EXTF_SUID_DEF) $(ZLIB_DEF)
$(EXTF_DEF) $(EXTF_SUID_DEF) $(ZLIB_DEF) \
$(XORRISO_DVD_OBS_64K) $(LIBBURN_O_DIRECT_DEF)
xorriso_xorriso_LDADD = $(THREAD_LIBS) $(LIBBURN_ARCH_LIBS)

2
xorriso/xorriso_timestamp.h
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@ -1 +1 @@
#define Xorriso_timestamP "2009.11.28.123903"
#define Xorriso_timestamP "2009.11.28.124241"