On 8/3/15 12:40 AM, Dave Chinner wrote:
> From: Dave Chinner <dchinner@xxxxxxxxxx>
>
> Adding this simple change to xfstests:common/rc::_scratch_mkfs_xfs:
>
> + if [ $mkfs_status -eq 0 ]; then
> + xfs_admin -U generate $SCRATCH_DEV > /dev/null
> + fi
>
> triggers all sorts of errors in xfstests. xfs/104 is an example,
> where growfs fails with a UUID mismatch corruption detected by
> xfs_agf_write_verify() when trying to write the first new AG
> headers.
>
> Fix this problem by making sure we copy the sb_meta_uuid into new
> metadata written by growfs.
>
> Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
Ok, at least this one has a plausible story; I did have this
in my tree, and must have somehow (re?)sent outdated patches. :(
Yeah, it was in all the series I sent up until the last re-send,
damn.
I'll re-check those prior patches against what we end up with,
to make sure everything is in sync.
Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>
> ---
> fs/xfs/xfs_fsops.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
> index 9b3438a..ee3aaa0a 100644
> --- a/fs/xfs/xfs_fsops.c
> +++ b/fs/xfs/xfs_fsops.c
> @@ -250,7 +250,7 @@ xfs_growfs_data_private(
> agf->agf_freeblks = cpu_to_be32(tmpsize);
> agf->agf_longest = cpu_to_be32(tmpsize);
> if (xfs_sb_version_hascrc(&mp->m_sb))
> - uuid_copy(&agf->agf_uuid, &mp->m_sb.sb_uuid);
> + uuid_copy(&agf->agf_uuid, &mp->m_sb.sb_meta_uuid);
>
> error = xfs_bwrite(bp);
> xfs_buf_relse(bp);
> @@ -273,7 +273,7 @@ xfs_growfs_data_private(
> if (xfs_sb_version_hascrc(&mp->m_sb)) {
> agfl->agfl_magicnum = cpu_to_be32(XFS_AGFL_MAGIC);
> agfl->agfl_seqno = cpu_to_be32(agno);
> - uuid_copy(&agfl->agfl_uuid, &mp->m_sb.sb_uuid);
> + uuid_copy(&agfl->agfl_uuid, &mp->m_sb.sb_meta_uuid);
> }
>
> agfl_bno = XFS_BUF_TO_AGFL_BNO(mp, bp);
> @@ -309,7 +309,7 @@ xfs_growfs_data_private(
> agi->agi_newino = cpu_to_be32(NULLAGINO);
> agi->agi_dirino = cpu_to_be32(NULLAGINO);
> if (xfs_sb_version_hascrc(&mp->m_sb))
> - uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_uuid);
> + uuid_copy(&agi->agi_uuid, &mp->m_sb.sb_meta_uuid);
> if (xfs_sb_version_hasfinobt(&mp->m_sb)) {
> agi->agi_free_root = cpu_to_be32(XFS_FIBT_BLOCK(mp));
> agi->agi_free_level = cpu_to_be32(1);
>
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