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* xfs: use generic Posix ACL codeChristoph Hellwig2009-06-101-1/+0
| | | | | | | | | | | | This patch rips out the XFS ACL handling code and uses the generic fs/posix_acl.c code instead. The ondisk format is of course left unchanged. This also introduces the same ACL caching all other Linux filesystems do by adding pointers to the acl and default acl in struct xfs_inode. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
* xfs: kill xfs_qmopsChristoph Hellwig2009-06-081-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Kill the quota ops function vector and replace it with direct calls or stubs in the CONFIG_XFS_QUOTA=n case. Make sure we check XFS_IS_QUOTA_RUNNING in the right spots. We can remove the number of those checks because the XFS_TRANS_DQ_DIRTY flag can't be set otherwise. This brings us back closer to the way this code worked in IRIX and earlier Linux versions, but we keep a lot of the more useful factoring of common code. Eventually we should also kill xfs_qm_bhv.c, but that's left for a later patch. Reduces the size of the source code by about 250 lines and the size of XFS module by about 1.5 kilobytes with quotas enabled: text data bss dec hex filename 615957 2960 3848 622765 980ad fs/xfs/xfs.o 617231 3152 3848 624231 98667 fs/xfs/xfs.o.old Fallout: - xfs_qm_dqattach is split into xfs_qm_dqattach_locked which expects the inode locked and xfs_qm_dqattach which does the locking around it, thus removing XFS_QMOPT_ILOCKED. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
* xfs: remove xfs_flush_spaceDave Chinner2009-04-061-46/+15
| | | | | | | | | | | | | | | The only thing we need to do now when we get an ENOSPC condition during delayed allocation reservation is flush all the other inodes with delalloc blocks on them and retry without EOF preallocation. Remove the unneeded mess that is xfs_flush_space() and just call xfs_flush_inodes() directly from xfs_iomap_write_delay(). Also, change the location of the retry label to avoid trying to do EOF preallocation because we don't want to do that at ENOSPC. This enables us to remove the BMAPI_SYNC flag as it is no longer used. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: make inode flush at ENOSPC synchronousDave Chinner2009-04-061-1/+1
| | | | | | | | | | | | | | | | | | | When we are writing to a single file and hit ENOSPC, we trigger a background flush of the inode and try again. Because we hold page locks and the iolock, the flush won't proceed until after we release these locks. This occurs once we've given up and ENOSPC has been reported. Hence if this one is the only dirty inode in the system, we'll get an ENOSPC prematurely. To fix this, remove the async flush from the allocation routines and move it to the top of the write path where we can do a synchronous flush and retry the write again. Only retry once as a second ENOSPC indicates that we really are ENOSPC. This avoids a page cache deadlock when trying to do this flush synchronously in the allocation layer that was identified by Mikulas Patocka. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* xfs: use xfs_sync_inodes() for device flushingDave Chinner2009-04-061-1/+1
| | | | | | | | | | | | | | | | Currently xfs_device_flush calls sync_blockdev() which is a no-op for XFS as all it's metadata is held in a different address to the one sync_blockdev() works on. Call xfs_sync_inodes() instead to flush all the delayed allocation blocks out. To do this as efficiently as possible, do it via two passes - one to do an async flush of all the dirty blocks and a second to wait for all the IO to complete. This requires some modification to the xfs-sync_inodes_ag() flush code to do efficiently. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
* [XFS] Remove the rest of the macro-to-function indirections.Eric Sandeen2009-01-161-5/+5
| | | | | | | | Remove the last of the macros-defined-to-static-functions. Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix speculative allocation beyond eofLachlan McIlroy2008-12-221-21/+7
| | | | | | | | | | | | | | | | | | | | Speculative allocation beyond eof doesn't work properly. It was broken some time ago after a code cleanup that moved what is now xfs_iomap_eof_align_last_fsb() and xfs_iomap_eof_want_preallocate() out of xfs_iomap_write_delay() into separate functions. The code used to use the current file size in various checks but got changed to be max(file_size, i_new_size). Since i_new_size is the result of 'offset + count' then in xfs_iomap_eof_want_preallocate() the check for '(offset + count) <= isize' will always be true. ie if 'offset + count' is > ip->i_size then isize will be i_new_size and equal to 'offset + count'. This change fixes all the places that used to use the current file size. Reviewed-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] use minleft when allocating in xfs_bmbt_split()Lachlan McIlroy2008-07-281-0/+10
| | | | | | | | | | | | | | | | The bmap btree split code relies on a previous data extent allocation (from xfs_bmap_btalloc()) to find an AG that has sufficient space to perform a full btree split, when inserting the extent. When converting unwritten extents we don't allocate a data extent so a btree split will be the first allocation. In this case we need to set minleft so the allocator will pick an AG that has space to complete the split(s). SGI-PV: 983338 SGI-Modid: xfs-linux-melb:xfs-kern:31357a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com>
* [XFS] Fix check for block zero access in xfs_write_iomap_allocate()David Chinner2008-04-291-8/+5
| | | | | | | | | | | | The check for block zero access should be done on non-realtime inodes. Fix the logic error in xfs_write_iomap_allocate(), and simplify the logic on all checks for block zero access in xfs_iomap.c SGI-PV: 980888 SGI-Modid: xfs-linux-melb:xfs-kern:30998a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] shrink mrlock_tChristoph Hellwig2008-04-291-3/+3
| | | | | | | | | | | | | | | The writer field is not needed for non_DEBU builds so remove it. While we're at i also clean up the interface for is locked asserts to go through and xfs_iget.c helper with an interface like the xfs_ilock routines to isolated the XFS codebase from mrlock internals. That way we can kill mrlock_t entirely once rw_semaphores grow an islocked facility. Also remove unused flags to the ilock family of functions. SGI-PV: 976035 SGI-Modid: xfs-linux-melb:xfs-kern:30902a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Catch errors returned from xfs_bmap_last_offset().David Chinner2008-04-181-2/+5
| | | | | | | | | | | | xfs_bmap_last_offset() can fail and return an error. xfs_iomap_write_allocate() fails to detect and propagate the error. SGI-PV: 980084 SGI-Modid: xfs-linux-melb:xfs-kern:30802a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Niv Sardi <xaiki@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] optimize XFS_IS_REALTIME_INODE w/o realtime configEric Sandeen2008-02-071-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | Use XFS_IS_REALTIME_INODE in more places, and #define it to 0 if CONFIG_XFS_RT is off. This should be safe because mount checks in xfs_rtmount_init: so if we get mounted w/o CONFIG_XFS_RT, no realtime inodes should be encountered after that. Defining XFS_IS_REALTIME_INODE to 0 saves a bit of stack space, presumeably gcc can optimize around the various "if (0)" type checks: xfs_alloc_file_space -8 xfs_bmap_adjacent -16 xfs_bmapi -8 xfs_bmap_rtalloc -16 xfs_bunmapi -28 xfs_free_file_space -64 xfs_imap +8 <-- ? hmm. xfs_iomap_write_direct -12 xfs_qm_dqusage_adjust -4 xfs_qm_vop_chown_reserve -4 SGI-PV: 971186 SGI-Modid: xfs-linux-melb:xfs-kern:30014a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Fix transaction overrun during writeback.David Chinner2008-02-071-25/+50
| | | | | | | | | | | | | | | | | | | Prevent transaction overrun in xfs_iomap_write_allocate() if we race with a truncate that overlaps the delalloc range we were planning to allocate. If we race, we may allocate into a hole and that requires block allocation. At this point in time we don't have a reservation for block allocation (apart from metadata blocks) and so allocating into a hole rather than a delalloc region results in overflowing the transaction block reservation. Fix it by only allowing a single extent to be allocated at a time. SGI-PV: 972757 SGI-Modid: xfs-linux-melb:xfs-kern:30005a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] kill xfs_iocore_tChristoph Hellwig2008-02-071-18/+12
| | | | | | | | | | | | | | | xfs_iocore_t is a structure embedded in xfs_inode. Except for one field it just duplicates fields already in xfs_inode, and there is nothing this abstraction buys us on XFS/Linux. This patch removes it and shrinks source and binary size of xfs aswell as shrinking the size of xfs_inode by 60/44 bytes in debug/non-debug builds. SGI-PV: 970852 SGI-Modid: xfs-linux-melb:xfs-kern:29754a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] kill unnessecary ioops indirectionLachlan McIlroy2008-02-071-46/+48
| | | | | | | | | | | | | | | Currently there is an indirection called ioops in the XFS data I/O path. Various functions are called by functions pointers, but there is no coherence in what this is for, and of course for XFS itself it's entirely unused. This patch removes it instead and significantly reduces source and binary size of XFS while making maintaince easier. SGI-PV: 970841 SGI-Modid: xfs-linux-melb:xfs-kern:29737a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] kill BMAPI_UNWRITTENChristoph Hellwig2008-02-071-12/+2
| | | | | | | | | | | | | | | There is no reason to go through xfs_iomap for the BMAPI_UNWRITTEN because it has nothing in common with the other cases. Instead check for the shutdown filesystem in xfs_end_bio_unwritten and perform a direct call to xfs_iomap_write_unwritten (which should be renamed to something more sensible one day) SGI-PV: 970241 SGI-Modid: xfs-linux-melb:xfs-kern:29681a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] kill BMAPI_DEVICEChristoph Hellwig2008-02-071-8/+1
| | | | | | | | | | | | | | | | There is no reason to go into the iomap machinery just to get the right block device for an inode. Instead look at the realtime flag in the inode and grab the right device from the mount structure. I created a new helper, xfs_find_bdev_for_inode instead of opencoding it because I plan to use it in other places in the future. SGI-PV: 970240 SGI-Modid: xfs-linux-melb:xfs-kern:29680a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Kill unused IOMAP_EOF flagChristoph Hellwig2007-10-161-8/+0
| | | | | | | | | SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29705a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Cleanup inode extent size hint extractionDavid Chinner2007-07-141-15/+4
| | | | | | | | | SGI-PV: 966004 SGI-Modid: xfs-linux-melb:xfs-kern:28866a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Prevent ENOSPC from aborting transactions that need to succeedDavid Chinner2007-07-141-14/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During delayed allocation extent conversion or unwritten extent conversion, we need to reserve some blocks for transactions reservations. We need to reserve these blocks in case a btree split occurs and we need to allocate some blocks. Unfortunately, we've only ever reserved the number of data blocks we are allocating, so in both the unwritten and delalloc case we can get ENOSPC to the transaction reservation. This is bad because in both cases we cannot report the failure to the writing application. The fix is two-fold: 1 - leverage the reserved block infrastructure XFS already has to reserve a small pool of blocks by default to allow specially marked transactions to dip into when we are at ENOSPC. Default setting is min(5%, 1024 blocks). 2 - convert critical transaction reservations to be allowed to dip into this pool. Spots changed are delalloc conversion, unwritten extent conversion and growing a filesystem at ENOSPC. This also allows growing the filesytsem to succeed at ENOSPC. SGI-PV: 964468 SGI-Modid: xfs-linux-melb:xfs-kern:28865a Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Fix to prevent the notorious 'NULL files' problem after a crash.Lachlan McIlroy2007-05-081-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The problem that has been addressed is that of synchronising updates of the file size with writes that extend a file. Without the fix the update of a file's size, as a result of a write beyond eof, is independent of when the cached data is flushed to disk. Often the file size update would be written to the filesystem log before the data is flushed to disk. When a system crashes between these two events and the filesystem log is replayed on mount the file's size will be set but since the contents never made it to disk the file is full of holes. If some of the cached data was flushed to disk then it may just be a section of the file at the end that has holes. There are existing fixes to help alleviate this problem, particularly in the case where a file has been truncated, that force cached data to be flushed to disk when the file is closed. If the system crashes while the file(s) are still open then this flushing will never occur. The fix that we have implemented is to introduce a second file size, called the in-memory file size, that represents the current file size as viewed by the user. The existing file size, called the on-disk file size, is the one that get's written to the filesystem log and we only update it when it is safe to do so. When we write to a file beyond eof we only update the in- memory file size in the write operation. Later when the I/O operation, that flushes the cached data to disk completes, an I/O completion routine will update the on-disk file size. The on-disk file size will be updated to the maximum offset of the I/O or to the value of the in-memory file size if the I/O includes eof. SGI-PV: 958522 SGI-Modid: xfs-linux-melb:xfs-kern:28322a Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] The last argument "lsn" of xfs_trans_commit() is always called withEric Sandeen2007-05-081-4/+3
| | | | | | | | | | | | | NULL. Patch provided by Eric Sandeen. SGI-PV: 961693 SGI-Modid: xfs-linux-melb:xfs-kern:28199a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Remove unused header files for MAC and CAP checking functionality.Eric Sandeen2007-02-101-2/+0
| | | | | | | | | | | | | | | | | | xfs_mac.h and xfs_cap.h provide definitions and macros that aren't used anywhere in XFS at all. They are left-overs from "to be implement at some point in the future" functionality that Irix XFS has. If this functionality ever goes into Linux, it will be provided at a different layer, most likely through the security hooks in the kernel so we will never need this functionality in XFS. Patch provided by Eric Sandeen (sandeen@sandeen.net). SGI-PV: 960895 SGI-Modid: xfs-linux-melb:xfs-kern:28036a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Remove unused argument to xfs_bmap_finishEric Sandeen2007-02-101-5/+3
| | | | | | | | | | | | | | The firstblock argument to xfs_bmap_finish is not used by that function. Remove it and cleanup the code a bit. Patch provided by Eric Sandeen. SGI-PV: 960196 SGI-Modid: xfs-linux-melb:xfs-kern:28034a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Improve error handling for the zero-fsblock extent detection code.Nathan Scott2006-09-281-55/+34
| | | | | | | | SGI-PV: 955302 SGI-Modid: xfs-linux-melb:xfs-kern:26802a Signed-off-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
* [XFS] Remove version 1 directory code. Never functioned on Linux, justNathan Scott2006-06-201-2/+0
| | | | | | | | | pure bloat. SGI-PV: 952969 SGI-Modid: xfs-linux-melb:xfs-kern:26251a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Add parameters to xfs_bmapi() and xfs_bunmapi() to have them reportOlaf Weber2006-06-091-12/+12
| | | | | | | | | | | | | | the range spanned by modifications to the in-core extent map. Add XFS_BUNMAPI() and XFS_SWAP_EXTENTS() macros that call xfs_bunmapi() and xfs_swap_extents() via the ioops vector. Change all calls that may modify the in-core extent map for the data fork to go through the ioops vector. This allows a cache of extent map data to be kept in sync. SGI-PV: 947615 SGI-Modid: xfs-linux-melb:xfs-kern:209226a Signed-off-by: Olaf Weber <olaf@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fixing KDB's xrwtrc command, also added the current process id intoYingping Lu2006-03-221-1/+1
| | | | | | | | | | the trace. SGI-PV: 948300 SGI-Modid: xfs-linux-melb:xfs-kern:208069a Signed-off-by: Yingping Lu <yingping@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* Merge HEAD from oss.sgi.com:/oss/git/linux-2.6.git Nathan Scott2006-01-121-1/+0
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| * xfs: header included twiceNicolas Kaiser2006-01-111-1/+0
| | | | | | | | | | | | | | Header included twice. Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | [XFS] Fix compiler warnings from older gcc versions wrt printfalikeNathan Scott2006-01-111-12/+22
| | | | | | | | | | | | | | | | | | arguments. SGI-PV: 907752 SGI-Modid: xfs-linux-melb:xfs-kern:24901a Signed-off-by: Nathan Scott <nathans@sgi.com>
* | [XFS] Sort out cosmetic differences between user and kernel copies of someNathan Scott2006-01-111-0/+1
| | | | | | | | | | | | | | | | | | sources. SGI-PV: 907752 SGI-Modid: xfs-linux-melb:xfs-kern:24659a Signed-off-by: Nathan Scott <nathans@sgi.com>
* | [XFS] Implement the di_extsize allocator hint for non-realtime files asNathan Scott2006-01-111-179/+211
|/ | | | | | | | | | well. Also provides a mechanism for inheriting this property from the parent directory for new files. SGI-PV: 945264 SGI-Modid: xfs-linux-melb:xfs-kern:24367a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] remove unused code from xfs_iomap_write_directEric Sandeen2005-11-021-8/+0
| | | | | | | | SGI-PV: 943266 SGI-Modid: xfs-linux:xfs-kern:200996a Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Remove dead code in xfs_iomap_write_direct; save some stackEric Sandeen2005-11-021-8/+4
| | | | | | | | SGI-PV: 943266 SGI-Modid: xfs-linux:xfs-kern:199750a Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Update license/copyright notices to match the prefered SGINathan Scott2005-11-021-25/+11
| | | | | | | | | boilerplate. SGI-PV: 913862 SGI-Modid: xfs-linux:xfs-kern:23903a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Remove xfs_macros.c, xfs_macros.h, rework headers a whole lot.Nathan Scott2005-11-021-7/+6
| | | | | | | SGI-PV: 943122 SGI-Modid: xfs-linux:xfs-kern:23901a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix incorrect use of BMAPI_READ in unwritten extent handlingNathan Scott2005-09-051-3/+2
| | | | | | | | | (luckily just cosmetic). SGI-PV: 942232 SGI-Modid: xfs-linux-melb:xfs-kern:23718a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix regression in transaction reserved-block accounting for directNathan Scott2005-09-021-9/+8
| | | | | | | | | writes. SGI-PV: 938145 SGI-Modid: xfs-linux:xfs-kern:23088a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Merge fixes into realtime quota code, since one/two reported, stillNathan Scott2005-06-211-38/+27
| | | | | | | | | not enabled though. SGI-PV: 938145 SGI-Modid: xfs-linux:xfs-kern:22900a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Fix a bug in xfs_iomap for extent handling of write casesRussell Cattelan2005-05-061-1/+3
| | | | | | | | | | | This may be the cause of several open PV's of incorrect delay flags being set and then tripping asserts. Do not return a delay alloc extent when the caller is asking to do a write. SGI Modid: xfs-linux:xfs-kern:189616a Signed-off-by: Russell Cattelan <cattelan@sgi.com> Signed-off-by: Christoph Hellwig <hch@sgi.com>
* [XFS] Cleanup use of loff_t vs xfs_off_t in the core code.Nathan Scott2005-05-051-4/+4
| | | | | | | SGI Modid: xfs-linux:xfs-kern:22378a Signed-off-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Christoph Hellwig <hch@sgi.com>
* [XFS] Use the right offset when ensuring a delayed allocate conversion has ↵Nathan Scott2005-05-051-9/+11
| | | | | | | | | | covered the offset originally requested. Can cause data corruption when multiple processes are performing writeout on different areas of the same file. Quite difficult to hit though. SGI Modid: xfs-linux:xfs-kern:22377a Signed-off-by: Nathan Scott <nathans@sgi.com> Signed-off-by: Christoph Hellwig <hch@sgi.com> .
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-161-0/+1000
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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