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e2fsprogs
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Theodore Ts'o a12653acd0 e2fsck: optimize pass 5 for CPU utilization 
Add a fast past optimization in e2fsck's pass 5 for the common case
where the block bitmap is correct.  The optimization works by
extracting each block group's block allocation bitmap into a memory
buffer, and comparing it with the expected allocation bitmap using
memcmp().  If it matches, then we can just update the free block
counts and be on our way, and skip checking each bit individually.

Addresses-Google-Bug: #7534813

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
 		2012-11-27 12:37:49 -05:00
config Update config.guess and config.sub to the latest (2012-02-10) version 2012-04-05 15:45:02 -07:00
contrib Add spd_readdir.c to the contrib directory 2011-09-25 02:10:54 -04:00
debian Update Release Notes, Changelogs, version.h, etc. for 1.42.6 release 2012-09-21 12:53:14 -04:00
debugfs debugfs: fix htree command so that all printf's go through the pager 2012-10-14 04:54:20 -04:00
doc Update Release Notes, Changelogs, version.h, etc. for 1.42.5 release 2012-07-29 20:38:48 -04:00
e2fsck e2fsck: optimize pass 5 for CPU utilization 2012-11-27 12:37:49 -05:00
ext2ed Shorten compile commands run by the build system 2011-09-18 17:34:37 -04:00
include/nonunix Remove trailing whitespace for the entire source tree 2008-08-27 23:07:54 -04:00
install-utils Remove Changelog files since they're not used after the git migration 2007-07-08 08:50:41 -04:00
intl Shorten compile commands run by the build system 2011-09-18 17:34:37 -04:00
lib libext2fs: optimize rb_get_bmap_range() for mostly allocated bmaps 2012-11-27 12:37:49 -05:00
misc Fix makefiles to compile e2freefrag with profiling 2012-10-11 07:35:58 -04:00
po Update Release Notes, Changelogs, version.h, etc. for 1.42.6 release 2012-09-21 12:53:14 -04:00
resize resize2fs: grow uninit_bg file systems more efficiently 2012-09-13 23:09:54 -04:00
tests mke2fs: fix progress suppression to make regression tests reliable 2012-09-22 21:26:48 -04:00
util util: respect HAVE_MALLOC_H 2012-08-19 17:57:17 -04:00
.gitignore build: add generated files to .gitignore 2012-07-14 19:43:39 -04:00
.hgignore Ignore quilt work files 2005-07-19 08:41:27 -05:00
.missing-copyright Many files: 1997-04-29 16:15:03 +00:00
.release-checklist Update release checklist to include reminder to update translation 2008-07-10 17:25:22 -04:00
ABOUT-NLS Update to gettext 0.11.5. We now enable NLS support by default. 2003-05-03 16:35:17 -04:00
COPYING Clarify the copyright licenses used by the various libraries in COPYING 2007-06-23 01:04:53 -04:00
INSTALL Add a comment in INSTALL regarding --disable-tls on older systems 2008-07-10 09:08:44 -04:00
INSTALL.elfbin ChangeLog, INSTALL.elfbin: 1999-01-02 04:15:29 +00:00
MCONFIG.in Fix blhc (Build Log Hardening Check) warnings 2012-06-13 16:06:44 -04:00
Makefile.in Fix parallel (make -j) build 2012-05-11 22:13:29 -04:00
README Update Release Notes, Changelogs, version.h, etc. for 1.42.6 release 2012-09-21 12:53:14 -04:00
README.subset Update release notes, version files for 1.40.4 release 2008-01-01 00:35:17 -05:00
RELEASE-NOTES Update Release Notes, Changelogs, version.h, etc. for 1.42.6 release 2012-09-21 12:53:14 -04:00
SHLIBS Many files: 1997-04-29 16:15:03 +00:00
SUBMITTING-PATCHES Added SUBMITTING-PATCHES file 2005-07-05 22:30:13 -05:00
TODO Update TODO to remove item which is already completed. 2006-05-13 09:28:04 -04:00
aclocal.m4 Enhance build system so that "make V=1" works like the Linux Kernel 2009-07-02 18:19:10 -04:00
configure configure: fix --enable-relative-symlink 2012-09-07 00:09:19 -04:00
configure.in configure: fix --enable-relative-symlink 2012-09-07 00:09:19 -04:00
depfix.sed Update Release Notes, Changelogs, version.h, etc. for 1.42 release 2011-11-29 16:48:14 -05:00
e2fsprogs.lsm Update Release Notes, Changelogs, version.h, etc. for 1.42.6 release 2012-09-21 12:53:14 -04:00
e2fsprogs.spec.in misc: clean up compiler warnings 2011-06-11 10:58:25 -04:00
version.h Update Release Notes, Changelogs, version.h, etc. for 1.42.6 release 2012-09-21 12:53:14 -04:00
wordwrap.pl Fix wordwrap.pl so it is more portable 2012-09-21 12:50:04 -04:00

README 

	This is the new version (1.42.6) of the second extended file
system management programs.

	From time to time, I release new versions of e2fsprogs, to fix
bugs and to make the utilities more robust.  You can always find
information about the latest version at the the e2fsprogs web page,
which is:

	http://e2fsprogs.sourceforge.net

	The INSTALL file has instructions on building and installing
e2fsprogs.  Provisions for building Red Hat RPMs and Debian dpkg files
are supplied as well.

	In case of bugs in these programs, please contact Ted Ts'o at
tytso@mit.edu or tytso@alum.mit.edu.  See the e2fsck man page for
suggestions of what sort of information to include when submitting bug
reports for these programs.