Message ID | 20180131222324.GH4849@magnolia (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
On Wed, Jan 31, 2018 at 02:23:24PM -0800, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@oracle.com> > > Now that reflink is no longer experimental, reject attempts to mount > with DAX until that whole mess gets sorted out. > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> nit: Check alignment of the warning message (probably ok?)... Reviewed-by: Bill O'Donnell <billodo@redhat.com> > --- > fs/xfs/xfs_super.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > index f436eec..fd34cf2 100644 > --- a/fs/xfs/xfs_super.c > +++ b/fs/xfs/xfs_super.c > @@ -1666,9 +1666,12 @@ xfs_fs_fill_super( > "DAX unsupported by block device. Turning off DAX."); > mp->m_flags &= ~XFS_MOUNT_DAX; > } > - if (xfs_sb_version_hasreflink(&mp->m_sb)) > + if (xfs_sb_version_hasreflink(&mp->m_sb)) { > xfs_alert(mp, > "DAX and reflink cannot be used together!"); > + error = -EINVAL; > + goto out_filestream_unmount; > + } > } > > if (mp->m_flags & XFS_MOUNT_DISCARD) { > -- > 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 -- 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
On Wed, Jan 31, 2018 at 05:11:25PM -0600, Bill O'Donnell wrote: > On Wed, Jan 31, 2018 at 02:23:24PM -0800, Darrick J. Wong wrote: > > From: Darrick J. Wong <darrick.wong@oracle.com> > > > > Now that reflink is no longer experimental, reject attempts to mount > > with DAX until that whole mess gets sorted out. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> > > nit: Check alignment of the warning message (probably ok?)... nevermind. Alignment wasn't in your change. :) Reviewed-by: Bill O'Donnell <billodo@redhat.com> > > Reviewed-by: Bill O'Donnell <billodo@redhat.com> > > > --- > > fs/xfs/xfs_super.c | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > > index f436eec..fd34cf2 100644 > > --- a/fs/xfs/xfs_super.c > > +++ b/fs/xfs/xfs_super.c > > @@ -1666,9 +1666,12 @@ xfs_fs_fill_super( > > "DAX unsupported by block device. Turning off DAX."); > > mp->m_flags &= ~XFS_MOUNT_DAX; > > } > > - if (xfs_sb_version_hasreflink(&mp->m_sb)) > > + if (xfs_sb_version_hasreflink(&mp->m_sb)) { > > xfs_alert(mp, > > "DAX and reflink cannot be used together!"); > > + error = -EINVAL; > > + goto out_filestream_unmount; > > + } > > } > > > > if (mp->m_flags & XFS_MOUNT_DISCARD) { > > -- > > 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 > -- > 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 -- 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
On Wed, Jan 31, 2018 at 02:23:24PM -0800, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@oracle.com> > > Now that reflink is no longer experimental, reject attempts to mount > with DAX until that whole mess gets sorted out. > > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Make sense. Anyone trying to make this work needs to patch the kernel, so having to patch out this check is no big deal. Reviewed-by: Dave Chinner <dchinner@redhat.com> Cheers, Dave.
On Wed, Jan 31, 2018 at 02:23:24PM -0800, Darrick J. Wong wrote: > From: Darrick J. Wong <darrick.wong@oracle.com> > > Now that reflink is no longer experimental, reject attempts to mount > with DAX until that whole mess gets sorted out. Didn't I send exactly the same patch about a week ago? -- 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
On Fri, Feb 02, 2018 at 01:51:31AM -0800, Christoph Hellwig wrote: > On Wed, Jan 31, 2018 at 02:23:24PM -0800, Darrick J. Wong wrote: > > From: Darrick J. Wong <darrick.wong@oracle.com> > > > > Now that reflink is no longer experimental, reject attempts to mount > > with DAX until that whole mess gets sorted out. > > Didn't I send exactly the same patch about a week ago? I haven't received any such patch (but Oracle mail has been dropping and delaying mail recently) and marc.info doesn't bring up anything relevant for a search of 'DAX' and 'Hellwig'. :/ --D > -- > 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 -- 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
On Fri, Feb 02, 2018 at 09:47:33AM -0800, Darrick J. Wong wrote: > I haven't received any such patch (but Oracle mail has been dropping and > delaying mail recently) and marc.info doesn't bring up anything relevant > for a search of 'DAX' and 'Hellwig'. :/ I've found my local commits from Jan 18, but it seems like they never made it out, despite me remembering sending them. So it looks the issue was in my side. -- 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
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index f436eec..fd34cf2 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1666,9 +1666,12 @@ xfs_fs_fill_super( "DAX unsupported by block device. Turning off DAX."); mp->m_flags &= ~XFS_MOUNT_DAX; } - if (xfs_sb_version_hasreflink(&mp->m_sb)) + if (xfs_sb_version_hasreflink(&mp->m_sb)) { xfs_alert(mp, "DAX and reflink cannot be used together!"); + error = -EINVAL; + goto out_filestream_unmount; + } } if (mp->m_flags & XFS_MOUNT_DISCARD) {