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* jffs2: Fix lock acquisition order bug in gc pathJosh Cartwright2012-05-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The locking policy is such that the erase_complete_block spinlock is nested within the alloc_sem mutex. This fixes a case in which the acquisition order was erroneously reversed. This issue was caught by the following lockdep splat: ======================================================= [ INFO: possible circular locking dependency detected ] 3.0.5 #1 ------------------------------------------------------- jffs2_gcd_mtd6/299 is trying to acquire lock: (&c->alloc_sem){+.+.+.}, at: [<c01f7714>] jffs2_garbage_collect_pass+0x314/0x890 but task is already holding lock: (&(&c->erase_completion_lock)->rlock){+.+...}, at: [<c01f7708>] jffs2_garbage_collect_pass+0x308/0x890 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&(&c->erase_completion_lock)->rlock){+.+...}: [<c008bec4>] validate_chain+0xe6c/0x10bc [<c008c660>] __lock_acquire+0x54c/0xba4 [<c008d240>] lock_acquire+0xa4/0x114 [<c046780c>] _raw_spin_lock+0x3c/0x4c [<c01f744c>] jffs2_garbage_collect_pass+0x4c/0x890 [<c01f937c>] jffs2_garbage_collect_thread+0x1b4/0x1cc [<c0071a68>] kthread+0x98/0xa0 [<c000f264>] kernel_thread_exit+0x0/0x8 -> #0 (&c->alloc_sem){+.+.+.}: [<c008ad2c>] print_circular_bug+0x70/0x2c4 [<c008c08c>] validate_chain+0x1034/0x10bc [<c008c660>] __lock_acquire+0x54c/0xba4 [<c008d240>] lock_acquire+0xa4/0x114 [<c0466628>] mutex_lock_nested+0x74/0x33c [<c01f7714>] jffs2_garbage_collect_pass+0x314/0x890 [<c01f937c>] jffs2_garbage_collect_thread+0x1b4/0x1cc [<c0071a68>] kthread+0x98/0xa0 [<c000f264>] kernel_thread_exit+0x0/0x8 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&(&c->erase_completion_lock)->rlock); lock(&c->alloc_sem); lock(&(&c->erase_completion_lock)->rlock); lock(&c->alloc_sem); *** DEADLOCK *** 1 lock held by jffs2_gcd_mtd6/299: #0: (&(&c->erase_completion_lock)->rlock){+.+...}, at: [<c01f7708>] jffs2_garbage_collect_pass+0x308/0x890 stack backtrace: [<c00155dc>] (unwind_backtrace+0x0/0x100) from [<c0463dc0>] (dump_stack+0x20/0x24) [<c0463dc0>] (dump_stack+0x20/0x24) from [<c008ae84>] (print_circular_bug+0x1c8/0x2c4) [<c008ae84>] (print_circular_bug+0x1c8/0x2c4) from [<c008c08c>] (validate_chain+0x1034/0x10bc) [<c008c08c>] (validate_chain+0x1034/0x10bc) from [<c008c660>] (__lock_acquire+0x54c/0xba4) [<c008c660>] (__lock_acquire+0x54c/0xba4) from [<c008d240>] (lock_acquire+0xa4/0x114) [<c008d240>] (lock_acquire+0xa4/0x114) from [<c0466628>] (mutex_lock_nested+0x74/0x33c) [<c0466628>] (mutex_lock_nested+0x74/0x33c) from [<c01f7714>] (jffs2_garbage_collect_pass+0x314/0x890) [<c01f7714>] (jffs2_garbage_collect_pass+0x314/0x890) from [<c01f937c>] (jffs2_garbage_collect_thread+0x1b4/0x1cc) [<c01f937c>] (jffs2_garbage_collect_thread+0x1b4/0x1cc) from [<c0071a68>] (kthread+0x98/0xa0) [<c0071a68>] (kthread+0x98/0xa0) from [<c000f264>] (kernel_thread_exit+0x0/0x8) This was introduce in '81cfc9f jffs2: Fix serious write stall due to erase'. Cc: stable@kernel.org [2.6.37+] Signed-off-by: Josh Cartwright <joshc@linux.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Use pr_fmt and remove jffs: from formatsJoe Perches2012-03-271-2/+4
| | | | | | | | | | Use pr_fmt to prefix KBUILD_MODNAME to appropriate logging messages. Remove now unnecessary internal prefixes from formats. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Convert printks to pr_<level>Joe Perches2012-03-271-69/+89
| | | | | | | | | | | | | Use the more current logging style. Coalesce formats, align arguments. Convert uses of embedded function names to %s, __func__. A couple of long line checkpatch errors I don't care about exist. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Convert most D1/D2 macros to jffs2_dbgJoe Perches2012-03-271-66/+96
| | | | | | | | | | | | | | D1 and D2 macros are mostly uses to emit debugging messages. Convert the logging uses of D1 & D2 to jffs2_dbg(level, fmt, ...) to be a bit more consistent style with the rest of the kernel. All jffs2_dbg output is now at KERN_DEBUG where some of the previous uses were emitted at various KERN_<LEVEL>s. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Fix serious write stall due to eraseJoakim Tjernlund2010-10-251-3/+4
| | | | | | | | | | | Drop the alloc_sem before erasing flash in jffs2_garbage_collect_pass(). Otherwise writes are put on hold until the erase has finised. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Update copyright noticesDavid Woodhouse2010-08-081-0/+1
| | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* jffs2: Use jffs2_garbage_collect_trigger() to trigger pending erasesDavid Woodhouse2010-05-191-1/+1
| | | | | | This is now done in a GC pass; we don't need to trigger kupdated to do it. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Erase pending blocks in GC pass, avoid invalid -EIO returnDavid Woodhouse2010-05-191-1/+14
| | | | | | | | | | | | | | | | jffs2_garbage_collect_pass() would previously return -EAGAIN if it couldn't find anything to garbage collect from, and there were blocks on the erase_pending_list. If the blocks were actually in the process of being erased, though, then they wouldn't be on that list. Check for nr_erasing_blocks being non-zero instead. Fix jffs2_reserve_space() to wait for the in-progress erases to complete, when jffs2_garbage_collect_pass() returns -EAGAIN. And fix jffs2_erase_succeeded() to actually wake up the erase_wait wq that jffs2_reserve_space() is now using. Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Fix long-standing bug with symlink garbage collection.David Woodhouse2009-12-161-1/+2
| | | | | | | | | | Ever since jffs2_garbage_collect_metadata() was first half-written in February 2001, it's been broken on architectures where 'char' is signed. When garbage collecting a symlink with target length above 127, the payload length would end up negative, causing interesting and bad things to happen. Cc: stable@kernel.org Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* [JFFS2] Track parent inode for directories (for NFS export)David Woodhouse2008-05-011-3/+3
| | | | | | | | To support NFS export, we need to know the parent inode of directories. Rather than growing the jffs2_inode_cache structure, share space with the nlink field -- which was always set to 1 for directories anyway. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Invert last argument of jffs2_gc_fetch_inode(), make it boolean.David Woodhouse2008-05-011-1/+1
| | | | | | | We don't actually care about nlink; we only care whether the inode in question is unlinked or not. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Fix jffs2_reserve_space() when all blocks are pending erasure.David Woodhouse2008-04-231-1/+7
| | | | | | | | | | | | | | | When _all_ the blocks were on the erase_pending_list, we could't find a block to GC from but there was no _actually_ free space, and jffs2_reserve_space() would get a little unhappy. Handle this case by returning -EAGAIN from jffs2_garbage_collect_pass(). There are two callers of that function -- jffs2_flush_wbuf_gc(), which will interpret it as an error and flush the writebuffer by other means, and jffs2_reserve_space(), which we modify to respond to -EAGAIN with an immediate call to jffs2_erase_pending_blocks() and another run round the loop. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] semaphore->mutex conversionDavid Woodhouse2008-04-221-16/+16
| | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] fix sparse warnings in gc.cDavid Woodhouse2008-04-221-1/+1
| | | | | | | | | | | | fs/jffs2/gc.c:1147:29: warning: symbol 'jeb' shadows an earlier one fs/jffs2/gc.c:1084:89: originally declared here fs/jffs2/gc.c:1197:29: warning: symbol 'jeb' shadows an earlier one fs/jffs2/gc.c:1084:89: originally declared here Rename the unused 'jeb' argument to avoid this. We could potentially remove the argument, but GCC should be doing that anyway. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Remove stray debugging printkDavid Woodhouse2007-10-131-3/+1
| | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Handle dirents on the flash with embedded zero bytes in names.David Woodhouse2007-10-131-1/+6
| | | | | | | | | In three places: summary scan, normal scan, REF_PRISTINE GC. Just truncate at the NUL, since that was the correct thing to do in the only case where this (inexplicable) breakage has been seen. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Check whether garbage-collection actually obsoleted its victim.David Woodhouse2007-10-131-2/+12
| | | | | | | | | In OLPC trac #4184 we found a case where a corrupted node didn't actually get obsoleted when we tried to garbage-collect it. So we wrote out many million copies of it, in repeated attempts to obsolete it, until the flash became full. Don't Do That. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Whitespace cleanups.David Woodhouse2007-07-101-2/+2
| | | | | | Convert many spaces to tabs; one or two other minor cosmetic fixes. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Tidy up licensing/copyright boilerplate.David Woodhouse2007-04-251-3/+1
| | | | | | | | | | | | | | In particular, remove the bit in the LICENCE file about contacting Red Hat for alternative arrangements. Their errant IS department broke that arrangement a long time ago -- the policy of collecting copyright assignments from contributors came to an end when the plug was pulled on the servers hosting the project, without notice or reason. We do still dual-license it for use with eCos, with the GPL+exception licence approved by the FSF as being GPL-compatible. It's just that nobody has the right to license it differently. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Improve failure mode if inode checking leaves unchecked space.David Woodhouse2007-04-231-1/+2
| | | | | | | | | | We should never find the unchecked size is non-zero after we've finished checking all inodes. If it happens, used to BUG(), leaving the alloc_sem held and deadlocking. Instead, just return -ENOSPC after complaining. The GC thread will die, but read-only operation should be able to continue and the file system should be unmountable. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] add cond_resched() when garbage collecting deletion direntArtem Bityutskiy2006-12-191-0/+2
| | | | | | | | | | We observe soft lockups when doing heavy test which creates directory with a lot of direntries and deletes them. This cycle is the reason fo this. Make it nicer and add cond_resched() inside of it. Signed-off-by: Artem Bityutskiy <dedekind@infradead.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2][XATTR] Fix memory leak with jffs2_xattr_refKaiGai Kohei2006-06-271-0/+1
| | | | | | | | | | | | If xattr_ref is associated with an orphan inode_cache on filesystem mounting, those xattr_refs are not released even if this inode_cache is released. This patch enables to call jffs2_xattr_delete_inode() for such a irregular inode_cachde too. Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2][XATTR] using 'delete marker' for xdatum/xref deletionKaiGai Kohei2006-06-271-3/+2
| | | | | | | | | | | | | | | | | - When xdatum is removed, a new xdatum with 'delete marker' is written. (version==0xffffffff means 'delete marker') - When xref is removed, a new xref with 'delete marker' is written. (odd-numbered xseqno means 'delete marker') - delete_xattr_(datum/xref)_delay() are new deletion functions are added. We can only use them if we can detect the target obsolete xdatum/xref as a orphan or errir one. (e.g when inode deletion, or detecting crc error) [1/3] jffs2-xattr-v6-01-delete_marker.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Introduce ref_next() macro for finding next physical nodeDavid Woodhouse2006-05-241-1/+1
| | | | | | Another part of the preparation for switching to an array... Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Reduce visibility of raw_node_ref to upper layers of JFFS2 code.David Woodhouse2006-05-241-19/+6
| | | | | | | | | | | | | As the first step towards eliminating the ref->next_phys member and saving memory by using an _array_ of struct jffs2_raw_node_ref per eraseblock, stop the write functions from allocating their own refs; have them just _reserve_ the appropriate number instead. Then jffs2_link_node_ref() can just fill them in. Use a linked list of pre-allocated refs in the superblock, for now. Once we switch to an array, it'll just be a case of extending that array. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Remove flash offset argument from various functions.David Woodhouse2006-05-231-17/+17
| | | | | | | | We don't need the upper layers to deal with the physical offset. It's _always_ c->nextblock->offset + c->sector_size - c->nextblock->free_size so we might as well just let the actual write functions deal with that. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Extend jffs2_link_node_ref() to link into per-inode list too.David Woodhouse2006-05-221-15/+2
| | | | | | | | | | | Let's avoid the potential for forgetting to set ref->next_in_ino, by doing it within jffs2_link_node_ref() instead. This highlights the ugliness of what we're currently doing with xattr_datum and xattr_ref structures -- we should find a nicer way of dealing with that. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Add length argument to jffs2_add_physical_node_ref()David Woodhouse2006-05-211-4/+2
| | | | | | | | If __totlen is going away, we need to pass the length in separately. Also stop callers from needlessly setting ref->next_phys to NULL, since that's done for them... and since that'll also be going away soon. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Correct handling of JFFS2_FEATURE_RWCOMPAT_COPY nodes.David Woodhouse2006-05-211-20/+29
| | | | | | | | | We should preserve these when we come to garbage collect them, not let them get erased. Use jffs2_garbage_collect_pristine() for this, and make sure the summary code copes -- just refrain from writing a summary for any block which contains a node we don't understand. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* Merge git://git.infradead.org/jffs2-xattr-2.6David Woodhouse2006-05-201-1/+22
|\ | | | | | | Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * [JFFS2][XATTR] Remove jffs2_garbage_collect_xattr(c, ic)KaiGai Kohei2006-05-131-7/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove jffs2_garbage_collect_xattr(c, ic). jffs2_garbage_collect_xattr_datum/ref() are called from gc.c directly. In original implementation, jffs2_garbage_collect_xattr(c, ic) returns with holding a spinlock if 'ic' is inode_cache. But it returns after releasing a spinlock if 'ic' is xattr_datum/ref. It looks so confusable behavior. Thus, this patch makes caller manage locking/unlocking. [5/10] jffs2-xattr-v5.1-05-update_xattr_gc.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
| * [JFFS2][XATTR] XATTR support on JFFS2 (version. 5)KaiGai Kohei2006-05-131-1/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This attached patches provide xattr support including POSIX-ACL and SELinux support on JFFS2 (version.5). There are some significant differences from previous version posted at last December. The biggest change is addition of EBS(Erase Block Summary) support. Currently, both kernel and usermode utility (sumtool) can recognize xattr nodes which have JFFS2_NODETYPE_XATTR/_XREF nodetype. In addition, some bugs are fixed. - A potential race condition was fixed. - Unexpected fail when updating a xattr by same name/value pair was fixed. - A bug when removing xattr name/value pair was fixed. The fundamental structures (such as using two new nodetypes and exclusion mechanism by rwsem) are unchanged. But most of implementation were reviewed and updated if necessary. Espacially, we had to change several internal implementations related to load_xattr_datum() to avoid a potential race condition. [1/2] xattr_on_jffs2.kernel.version-5.patch [2/2] xattr_on_jffs2.utils.version-5.patch Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* | [JFFS2] Support new device nodesDavid Woodhouse2006-05-191-5/+2
|/ | | | | | | | | | | | | | | Device node major/minor numbers are just stored in the payload of a single data node. Just extend that to 4 bytes and use new_encode_dev() for it. We only use the 4-byte format if we _need_ to, if !old_valid_dev(foo). This preserves backwards compatibility with older code as much as possible. If we do make devices with major or minor numbers above 255, and then mount the file system with the old code, it'll just read the first two bytes and get the numbers wrong. If it comes to garbage-collect it, it'll then write back those wrong numbers. But that's about the best we can expect. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Fix race in post-mount node checkingDavid Woodhouse2006-04-171-0/+4
| | | | | | | | | | | | | | | | | | | For a while now, we've postponed CRC-checking of data nodes to be done by the GC thread, instead of being done while the user is waiting for mount to finish. The GC thread would iterate through all the inodes on the system and check each of their data nodes. It would skip over inodes which had already been used or were already being read in by read_inode(), because their data nodes would have been examined anyway. However, we could sometimes reach the end of the for-each-inode loop and still have some unchecked space left, if an inode we'd skipped was _still_ in the process of being read. This fixes that race by actually waiting for read_inode() to finish rather than just moving on. Thanks to Ladislav Michl for coming up with a reproducible test case and helping to track it down. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
* [JFFS2] Clean up trailing white spacesThomas Gleixner2005-11-071-56/+56
| | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Add erase block summary support (mount time improvement)Ferenc Havasi2005-11-061-9/+17
| | | | | | | | | | | | | | | | | | The goal of summary is to speed up the mount time. Erase block summary (EBS) stores summary information at the end of every (closed) erase block. It is no longer necessary to scan all nodes separetly (and read all pages of them) just read this "small" summary, where every information is stored which is needed at mount time. This summary information is stored in a JFFS2_FEATURE_RWCOMPAT_DELETE. During the mount process if there is no summary info the orignal scan process will be executed. EBS works with NAND and NOR flashes, too. There is a user space tool called sumtool to generate this summary information for a JFFS2 image. Signed-off-by: Ferenc Havasi <havasi@inf.u-szeged.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Fix JFFS2 [mc]time handlingArtem B. Bityutskiy2005-11-061-2/+10
| | | | | | | From: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Debug code clean up - step 3Artem B. Bityutskiy2005-11-061-4/+4
| | | | | | | | Various simplifiactions. printk format corrections. Convert more code to use the new debug functions. Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Debug code clean up - step 2Artem B. Bityutskiy2005-11-061-3/+3
| | | | | | | | If debugging is disabled, define debugging functions as empty macros, instead of using Dx() explicitly. Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Debug code clean up - step 1Artem B. Bityutskiy2005-11-061-7/+7
| | | | | | | Move debug functions into a seperate source file Signed-off-by: Artem B. Bityutskiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Fix race in garbage collectorArtem B. Bityuckiy2005-05-231-6/+24
| | | | | | | | Fix the race problem described here: http://lists.infradead.org/pipermail/linux-mtd/2005-April/012361.html Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Prevent deadlock when flushing write bufferArtem B. Bityuckiy2005-05-231-1/+3
| | | | | Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Improve garbage collector block selectionArtem B. Bityuckiy2005-05-231-1/+7
| | | | | | | | Make sure the erase_pending_wbuf_list's blocks are taken into account when picking the block to GC. Signed-off-by: Artem B. Bityuckiy <dedekind@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* [JFFS2] Core changes required to support JFFS2-on-Dataflash devices.Andrew Victor2005-05-231-3/+2
| | | | | | | | | | | | | | | | | DataFlash page-sizes are not a power of two (they're multiples of 528 bytes). There are a few places in JFFS2 code where sector_size is used as a bitmask. A new macro (SECTOR_ADDR) was defined to calculate these sector addresses. For non-DataFlash devices, the original (faster) bitmask operation is still used. In scan.c, the EMPTY_SCAN_SIZE was a constant of 1024. Since this could be larger than the sector size of the DataFlash, this is now basically set to MIN(sector_size, 1024). Addition of a jffs2_is_writebuffered() macro. Signed-off-by: Andrew Victor <andrew@sanpeople.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-161-0/+1246
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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