Ping, any Btrfsers get a chance to look at this patch series?
I'd like to get it into the QA tree.
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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