Date: Tue, 03 Sep 2013 11:36:32 -0500 From: Pedro Giffuni <pfg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: Re: svn commit: r255183 - in stable/9/sys: conf fs/ext2fs modules/ext2fs Message-ID: <52261010.60003@FreeBSD.org> In-Reply-To: <201309031629.r83GTEOR049959@svn.freebsd.org> References: <201309031629.r83GTEOR049959@svn.freebsd.org>
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forgot to mention in the commit log, this is MFC r254260 (it can be deduced from the revision number in the copied files though) Pedro. On 03.09.2013 11:29, Pedro F. Giffuni wrote: > Author: pfg > Date: Tue Sep 3 16:29:14 2013 > New Revision: 255183 > URL: http://svnweb.freebsd.org/changeset/base/255183 > > Log: > Add read-only support for extents in ext2fs. > > Basic support for extents was implemented by Zheng Liu as part > of his Google Summer of Code in 2010. This support is read-only > at this time. > > In addition to extents we also support the huge_file extension > for read-only purposes. This works nicely with the additional > support for birthtime/nanosec timestamps and dir_index that > have been added lately. > > The implementation may not work for all ext4 filesystems as > it doesn't support some features that are being enabled by > default on recent linux like flex_bg. Nevertheless, the feature > should be very useful for migration or simple access in > filesystems that have been converted from ext2/3 or don't use > incompatible features. > > Special thanks to Zheng Liu for his dedication and continued > work to support ext2 in FreeBSD. > > Submitted by: Zheng Liu (lz@) > Reviewed by: Mike Ma, Christoph Mallon (previous version) > Sponsored by: Google Inc. > > Added: > stable/9/sys/fs/ext2fs/ext2_extents.c > - copied unchanged from r254260, head/sys/fs/ext2fs/ext2_extents.c > stable/9/sys/fs/ext2fs/ext2_extents.h > - copied unchanged from r254260, head/sys/fs/ext2fs/ext2_extents.h > Modified: > stable/9/sys/conf/files > stable/9/sys/fs/ext2fs/ext2_bmap.c > stable/9/sys/fs/ext2fs/ext2_dinode.h > stable/9/sys/fs/ext2fs/ext2_extern.h > stable/9/sys/fs/ext2fs/ext2_inode_cnv.c > stable/9/sys/fs/ext2fs/ext2_subr.c > stable/9/sys/fs/ext2fs/ext2_vfsops.c > stable/9/sys/fs/ext2fs/ext2_vnops.c > stable/9/sys/fs/ext2fs/ext2fs.h > stable/9/sys/fs/ext2fs/inode.h > stable/9/sys/modules/ext2fs/Makefile > Directory Properties: > stable/9/sys/ (props changed) > stable/9/sys/conf/ (props changed) > stable/9/sys/fs/ (props changed) > stable/9/sys/modules/ (props changed) > > Modified: stable/9/sys/conf/files > ============================================================================== > --- stable/9/sys/conf/files Tue Sep 3 16:15:28 2013 (r255182) > +++ stable/9/sys/conf/files Tue Sep 3 16:29:14 2013 (r255183) > @@ -2375,6 +2375,7 @@ geom/zero/g_zero.c optional geom_zero > fs/ext2fs/ext2_alloc.c optional ext2fs > fs/ext2fs/ext2_balloc.c optional ext2fs > fs/ext2fs/ext2_bmap.c optional ext2fs > +fs/ext2fs/ext2_extents.c optional ext2fs > fs/ext2fs/ext2_inode.c optional ext2fs > fs/ext2fs/ext2_inode_cnv.c optional ext2fs > fs/ext2fs/ext2_hash.c optional ext2fs > >
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