Re: linux-next: manual merge of the xfs tree with Linus' tree

Darrick J. Wong
2017-12-21T23:01:33Z

On Fri, Dec 22, 2017 at 09:50:41AM +1100, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the xfs tree got a conflict in:
>
> fs/xfs/xfs_super.c
>
> between commit:
>
> 1751e8a6cb93 ("Rename superblock flags (MS_xyz -> SB_xyz)")
>
> from Linus' tree and commit:
>
> 10ddf64e420f ("xfs: remove leftover CoW reservations when remounting ro")
>
> from the xfs tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.

Ok, that's exactly the merge conflict that I was expecting to see.
I'll make a note if/when I get around to sending a pull request.
Thank you.

--D

> --
> Cheers,
> Stephen Rothwell
>
> diff --cc fs/xfs/xfs_super.c
> index 5122d3021117,2db6a40a96bd..000000000000
> --- a/fs/xfs/xfs_super.c
> +++ b/fs/xfs/xfs_super.c
> @@@ -1368,7 -1369,15 +1369,15 @@@ xfs_fs_remount
> }
>
> /* rw -> ro */
> - if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & MS_RDONLY)) {
> + if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & SB_RDONLY)) {
> + /* Get rid of any leftover CoW reservations... */
> + cancel_delayed_work_sync(&mp->m_cowblocks_work);
> + error = xfs_icache_free_cowblocks(mp, NULL);
> + if (error) {
> + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
> + return error;
> + }
> +
> /* Free the per-AG metadata reservation pool. */
> error = xfs_fs_unreserve_ag_blocks(mp);
> if (error) {
> --
> To unsubscribe from this list: send the line "unsubscribe linux-xfs" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html