On Fri, Feb 14, 2014 at 12:46 PM, David Disseldorp <ddiss@xxxxxxx> wrote:
> Ping, any Btrfsers get a chance to look at this patch series?
> I'd like to get it into the QA tree.
If no one else gets there first, I'll take a look at it soon.
thanks
>
> On Fri, 7 Feb 2014 11:35:38 +0100, David Disseldorp wrote:
>
>> This patch-set provides a reproducer for hitting the 3.14.0-rc1 BUG_ON()
>> at:
>> 692 int __btrfs_drop_extents(struct btrfs_trans_handle *trans,
>> ...
>> 839 /*
>> 840 * | ---- range to drop ----- |
>> 841 * | -------- extent -------- |
>> 842 */
>> 843 if (start <= key.offset && end < extent_end) {
>> 844 BUG_ON(extent_type == BTRFS_FILE_EXTENT_INLINE);
>> 845
>> 846 memcpy(&new_key, &key, sizeof(new_key));
>>
>> The first patch adds a small cloner binary which is used by btrfs/035 to
>> dispatch BTRFS_IOC_CLONE_RANGE requests.
>>
>> This workload resembles that of Samba's vfs_btrfs module, when a Windows
>> client restores a file from a shadow-copy (snapshot) using server-side
>> copy requests.
>>
>> Changes since V2:
>> - Remove explicit write error checks
>>
>> Changes since V1:
>> - Use strtoull instead of atoi
>> - Print error conditions in cloner
>> - Check for cloner binary before running test
>> - Continue test on failure
>> - Add cloner to .gitignore
>>
>> Feedback appreciated.
>>
>> Cheers, David
>>
>>
>> .gitignore | 1 +
>> configure.ac | 1 +
>> src/Makefile | 2 +-
>> src/cloner.c | 192 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> tests/btrfs/035 | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> tests/btrfs/035.out | 3 +++
>> tests/btrfs/group | 1 +
>> 7 files changed, 276 insertions(+), 1 deletion(-)
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--
Filipe David Manana,
"Reasonable men adapt themselves to the world.
Unreasonable men adapt the world to themselves.
That's why all progress depends on unreasonable men."
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