From: "Darrick J. Wong" <darrick.wong@oracle.com>
To: Brian Foster <bfoster@redhat.com>
Cc: david@fromorbit.com, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 40/63] xfs: store in-progress CoW allocations in the refcount btree
Date: Fri, 7 Oct 2016 12:18:35 -0700 [thread overview]
Message-ID: <20161007191835.GD11241@birch.djwong.org> (raw)
In-Reply-To: <20161007180404.GC58659@bfoster.bfoster>
On Fri, Oct 07, 2016 at 02:04:05PM -0400, Brian Foster wrote:
> On Thu, Sep 29, 2016 at 08:09:59PM -0700, Darrick J. Wong wrote:
> > Due to the way the CoW algorithm in XFS works, there's an interval
> > during which blocks allocated to handle a CoW can be lost -- if the FS
> > goes down after the blocks are allocated but before the block
> > remapping takes place. This is exacerbated by the cowextsz hint --
> > allocated reservations can sit around for a while, waiting to get
> > used.
> >
> > Since the refcount btree doesn't normally store records with refcount
> > of 1, we can use it to record these in-progress extents. In-progress
> > blocks cannot be shared because they're not user-visible, so there
> > shouldn't be any conflicts with other programs. This is a better
> > solution than holding EFIs during writeback because (a) EFIs can't be
> > relogged currently, (b) even if they could, EFIs are bound by
> > available log space, which puts an unnecessary upper bound on how much
> > CoW we can have in flight, and (c) we already have a mechanism to
> > track blocks.
> >
> > At mount time, read the refcount records and free anything we find
> > with a refcount of 1 because those were in-progress when the FS went
> > down.
> >
> > Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
> > ---
> > v2: Use the deferred operations system to avoid deadlocks and blowing
> > out the transaction reservation. This allows us to unmap a CoW
> > extent from the refcountbt and into a file atomically.
> > ---
> > fs/xfs/libxfs/xfs_bmap.c | 11 +
> > fs/xfs/libxfs/xfs_format.h | 3
> > fs/xfs/libxfs/xfs_refcount.c | 336 +++++++++++++++++++++++++++++++++++++++++-
> > fs/xfs/libxfs/xfs_refcount.h | 10 +
> > fs/xfs/xfs_mount.c | 12 ++
> > fs/xfs/xfs_refcount_item.c | 12 ++
> > fs/xfs/xfs_reflink.c | 150 +++++++++++++++++++
> > fs/xfs/xfs_reflink.h | 1
> > fs/xfs/xfs_super.c | 9 +
> > fs/xfs/xfs_trace.h | 4 +
> > 10 files changed, 537 insertions(+), 11 deletions(-)
> >
> >
> ...
> > diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
> > index c95cdc3..673ecc1 100644
> > --- a/fs/xfs/xfs_reflink.c
> > +++ b/fs/xfs/xfs_reflink.c
> ...
> > @@ -772,3 +787,138 @@ xfs_reflink_end_cow(
> > trace_xfs_reflink_end_cow_error(ip, error, _RET_IP_);
> > return error;
> > }
> ...
> > +STATIC int
> > +xfs_reflink_recover_cow_ag(
> > + struct xfs_mount *mp,
> > + xfs_agnumber_t agno)
> > +{
> > + struct xfs_trans *tp;
> > + struct xfs_btree_cur *cur;
> > + struct xfs_buf *agbp;
> > + struct xfs_reflink_recovery *rr, *n;
> > + struct list_head debris;
> > + union xfs_btree_irec low;
> > + union xfs_btree_irec high;
> > + struct xfs_defer_ops dfops;
> > + xfs_fsblock_t fsb;
> > + int error;
> > +
> > + error = xfs_alloc_read_agf(mp, NULL, agno, 0, &agbp);
> > + if (error)
> > + return error;
> > + cur = xfs_refcountbt_init_cursor(mp, NULL, agbp, agno, NULL);
> > +
> > + /* Find all the leftover CoW staging extents. */
> > + INIT_LIST_HEAD(&debris);
> > + memset(&low, 0, sizeof(low));
> > + memset(&high, 0, sizeof(high));
> > + low.rc.rc_startblock = 0;
> > + high.rc.rc_startblock = -1U;
> > + error = xfs_btree_query_range(cur, &low, &high,
> > + xfs_reflink_recover_extent, &debris);
> > + if (error)
> > + goto out_error;
>
> Potential memory leak of debris list entries on error.
Ugh, the error handling in this whole function needs reworking.
> > + xfs_btree_del_cursor(cur, XFS_BTREE_NOERROR);
> > + xfs_buf_relse(agbp);
> > +
> > + /* Now iterate the list to free the leftovers */
> > + list_for_each_entry(rr, &debris, rr_list) {
> > + /* Set up transaction. */
> > + error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0, 0, &tp);
> > + if (error)
> > + goto out_free;
> > +
> > + trace_xfs_reflink_recover_extent(mp, agno, &rr->rr_rrec);
> > +
> > + /* Free the orphan record */
> > + xfs_defer_init(&dfops, &fsb);
> > + fsb = XFS_AGB_TO_FSB(mp, agno, rr->rr_rrec.rc_startblock);
> > + error = xfs_refcount_free_cow_extent(mp, &dfops, fsb,
> > + rr->rr_rrec.rc_blockcount);
> > + if (error)
> > + goto out_defer;
> > +
> > + /* Free the block. */
> > + xfs_bmap_add_free(mp, &dfops, fsb,
> > + rr->rr_rrec.rc_blockcount, NULL);
> > +
> > + error = xfs_defer_finish(&tp, &dfops, NULL);
> > + if (error)
> > + goto out_defer;
> > +
> > + error = xfs_trans_commit(tp);
> > + if (error)
> > + goto out_cancel;
> > + }
> > + goto out_free;
>
> return 0 ?
Yep. Good catch.
--D
>
> Brian
>
> > +
> > +out_defer:
> > + xfs_defer_cancel(&dfops);
> > +out_cancel:
> > + xfs_trans_cancel(tp);
> > +
> > +out_free:
> > + /* Free the leftover list */
> > + list_for_each_entry_safe(rr, n, &debris, rr_list) {
> > + list_del(&rr->rr_list);
> > + kmem_free(rr);
> > + }
> > +
> > + return error;
> > +
> > +out_error:
> > + xfs_btree_del_cursor(cur, XFS_BTREE_ERROR);
> > + xfs_buf_relse(agbp);
> > + return error;
> > +}
> > +
> > +/*
> > + * Free leftover CoW reservations that didn't get cleaned out.
> > + */
> > +int
> > +xfs_reflink_recover_cow(
> > + struct xfs_mount *mp)
> > +{
> > + xfs_agnumber_t agno;
> > + int error = 0;
> > +
> > + if (!xfs_sb_version_hasreflink(&mp->m_sb))
> > + return 0;
> > +
> > + for (agno = 0; agno < mp->m_sb.sb_agcount; agno++) {
> > + error = xfs_reflink_recover_cow_ag(mp, agno);
> > + if (error)
> > + break;
> > + }
> > +
> > + return error;
> > +}
> > diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h
> > index c0c989a..1d2f180 100644
> > --- a/fs/xfs/xfs_reflink.h
> > +++ b/fs/xfs/xfs_reflink.h
> > @@ -42,5 +42,6 @@ extern int xfs_reflink_cancel_cow_range(struct xfs_inode *ip, xfs_off_t offset,
> > xfs_off_t count);
> > extern int xfs_reflink_end_cow(struct xfs_inode *ip, xfs_off_t offset,
> > xfs_off_t count);
> > +extern int xfs_reflink_recover_cow(struct xfs_mount *mp);
> >
> > #endif /* __XFS_REFLINK_H */
> > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
> > index 26b45b3..e6aaa91 100644
> > --- a/fs/xfs/xfs_super.c
> > +++ b/fs/xfs/xfs_super.c
> > @@ -1306,6 +1306,15 @@ xfs_fs_remount(
> > xfs_restore_resvblks(mp);
> > xfs_log_work_queue(mp);
> > xfs_queue_eofblocks(mp);
> > +
> > + /* Recover any CoW blocks that never got remapped. */
> > + error = xfs_reflink_recover_cow(mp);
> > + if (error) {
> > + xfs_err(mp,
> > + "Error %d recovering leftover CoW allocations.", error);
> > + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE);
> > + return error;
> > + }
> > }
> >
> > /* rw -> ro */
> > diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
> > index 8e89223..ca0930b 100644
> > --- a/fs/xfs/xfs_trace.h
> > +++ b/fs/xfs/xfs_trace.h
> > @@ -2916,14 +2916,18 @@ DEFINE_AG_ERROR_EVENT(xfs_refcount_update_error);
> > /* refcount adjustment tracepoints */
> > DEFINE_AG_EXTENT_EVENT(xfs_refcount_increase);
> > DEFINE_AG_EXTENT_EVENT(xfs_refcount_decrease);
> > +DEFINE_AG_EXTENT_EVENT(xfs_refcount_cow_increase);
> > +DEFINE_AG_EXTENT_EVENT(xfs_refcount_cow_decrease);
> > DEFINE_REFCOUNT_TRIPLE_EXTENT_EVENT(xfs_refcount_merge_center_extents);
> > DEFINE_REFCOUNT_EXTENT_EVENT(xfs_refcount_modify_extent);
> > +DEFINE_REFCOUNT_EXTENT_EVENT(xfs_reflink_recover_extent);
> > DEFINE_REFCOUNT_EXTENT_AT_EVENT(xfs_refcount_split_extent);
> > DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_merge_left_extent);
> > DEFINE_REFCOUNT_DOUBLE_EXTENT_EVENT(xfs_refcount_merge_right_extent);
> > DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(xfs_refcount_find_left_extent);
> > DEFINE_REFCOUNT_DOUBLE_EXTENT_AT_EVENT(xfs_refcount_find_right_extent);
> > DEFINE_AG_ERROR_EVENT(xfs_refcount_adjust_error);
> > +DEFINE_AG_ERROR_EVENT(xfs_refcount_adjust_cow_error);
> > DEFINE_AG_ERROR_EVENT(xfs_refcount_merge_center_extents_error);
> > DEFINE_AG_ERROR_EVENT(xfs_refcount_modify_extent_error);
> > DEFINE_AG_ERROR_EVENT(xfs_refcount_split_extent_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
next prev parent reply other threads:[~2016-10-07 19:18 UTC|newest]
Thread overview: 186+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-30 3:05 [PATCH v10 00/63] xfs: add reflink and dedupe support Darrick J. Wong
2016-09-30 3:05 ` [PATCH 01/63] vfs: support FS_XFLAG_COWEXTSIZE and get/set of CoW extent size hint Darrick J. Wong
2016-09-30 3:05 ` [PATCH 02/63] vfs: add a FALLOC_FL_UNSHARE mode to fallocate to unshare a range of blocks Darrick J. Wong
2016-09-30 7:08 ` Christoph Hellwig
2016-09-30 3:05 ` [PATCH 03/63] xfs: return an error when an inline directory is too small Darrick J. Wong
2016-09-30 3:06 ` [PATCH 04/63] xfs: define tracepoints for refcount btree activities Darrick J. Wong
2016-09-30 3:06 ` [PATCH 05/63] xfs: introduce refcount btree definitions Darrick J. Wong
2016-09-30 3:06 ` [PATCH 06/63] xfs: refcount btree add more reserved blocks Darrick J. Wong
2016-09-30 3:06 ` [PATCH 07/63] xfs: define the on-disk refcount btree format Darrick J. Wong
2016-09-30 3:06 ` [PATCH 08/63] xfs: add refcount btree support to growfs Darrick J. Wong
2016-09-30 3:06 ` [PATCH 09/63] xfs: account for the refcount btree in the alloc/free log reservation Darrick J. Wong
2016-09-30 3:06 ` [PATCH 10/63] xfs: add refcount btree operations Darrick J. Wong
2016-09-30 3:06 ` [PATCH 11/63] xfs: create refcount update intent log items Darrick J. Wong
2016-09-30 3:06 ` [PATCH 12/63] xfs: log refcount intent items Darrick J. Wong
2016-09-30 3:06 ` [PATCH 13/63] xfs: adjust refcount of an extent of blocks in refcount btree Darrick J. Wong
2016-09-30 7:11 ` Christoph Hellwig
2016-09-30 17:53 ` Darrick J. Wong
2016-09-30 3:07 ` [PATCH 14/63] xfs: connect refcount adjust functions to upper layers Darrick J. Wong
2016-09-30 7:13 ` Christoph Hellwig
2016-09-30 16:21 ` Brian Foster
2016-09-30 19:40 ` Darrick J. Wong
2016-09-30 20:11 ` Brian Foster
2016-09-30 3:07 ` [PATCH 15/63] xfs: adjust refcount when unmapping file blocks Darrick J. Wong
2016-09-30 7:14 ` Christoph Hellwig
2016-09-30 3:07 ` [PATCH 16/63] xfs: add refcount btree block detection to log recovery Darrick J. Wong
2016-09-30 7:15 ` Christoph Hellwig
2016-09-30 3:07 ` [PATCH 17/63] xfs: refcount btree requires more reserved space Darrick J. Wong
2016-09-30 7:15 ` Christoph Hellwig
2016-09-30 16:46 ` Brian Foster
2016-09-30 18:41 ` Darrick J. Wong
2016-09-30 3:07 ` [PATCH 18/63] xfs: introduce reflink utility functions Darrick J. Wong
2016-09-30 7:16 ` Christoph Hellwig
2016-09-30 19:22 ` Brian Foster
2016-09-30 19:50 ` Darrick J. Wong
2016-09-30 3:07 ` [PATCH 19/63] xfs: create bmbt update intent log items Darrick J. Wong
2016-09-30 7:24 ` Christoph Hellwig
2016-09-30 17:24 ` Darrick J. Wong
2016-09-30 3:07 ` [PATCH 20/63] xfs: log bmap intent items Darrick J. Wong
2016-09-30 7:26 ` Christoph Hellwig
2016-09-30 17:26 ` Darrick J. Wong
2016-09-30 19:22 ` Brian Foster
2016-09-30 19:52 ` Darrick J. Wong
2016-09-30 3:07 ` [PATCH 21/63] xfs: map an inode's offset to an exact physical block Darrick J. Wong
2016-09-30 7:31 ` Christoph Hellwig
2016-09-30 17:30 ` Darrick J. Wong
2016-10-03 19:03 ` Brian Foster
2016-10-04 0:11 ` Darrick J. Wong
2016-10-04 12:43 ` Brian Foster
2016-10-04 17:28 ` Darrick J. Wong
2016-09-30 3:08 ` [PATCH 22/63] xfs: pass bmapi flags through to bmap_del_extent Darrick J. Wong
2016-09-30 7:16 ` Christoph Hellwig
2016-09-30 3:08 ` [PATCH 23/63] xfs: implement deferred bmbt map/unmap operations Darrick J. Wong
2016-09-30 7:34 ` Christoph Hellwig
2016-09-30 17:38 ` Darrick J. Wong
2016-09-30 20:34 ` Roger Willcocks
2016-09-30 21:08 ` Darrick J. Wong
2016-09-30 3:08 ` [PATCH 24/63] xfs: when replaying bmap operations, don't let unlinked inodes get reaped Darrick J. Wong
2016-09-30 7:35 ` Christoph Hellwig
2016-10-03 19:04 ` Brian Foster
2016-10-04 0:29 ` Darrick J. Wong
2016-10-04 12:44 ` Brian Foster
2016-10-04 19:07 ` Dave Chinner
2016-10-04 21:44 ` Darrick J. Wong
2016-09-30 3:08 ` [PATCH 25/63] xfs: return work remaining at the end of a bunmapi operation Darrick J. Wong
2016-09-30 7:19 ` Christoph Hellwig
2016-10-03 19:04 ` Brian Foster
2016-10-04 0:30 ` Darrick J. Wong
2016-10-04 12:44 ` Brian Foster
2016-09-30 3:08 ` [PATCH 26/63] xfs: define tracepoints for reflink activities Darrick J. Wong
2016-09-30 7:20 ` Christoph Hellwig
2016-09-30 3:08 ` [PATCH 27/63] xfs: add reflink feature flag to geometry Darrick J. Wong
2016-09-30 7:20 ` Christoph Hellwig
2016-09-30 3:08 ` [PATCH 28/63] xfs: don't allow reflinked dir/dev/fifo/socket/pipe files Darrick J. Wong
2016-09-30 7:20 ` Christoph Hellwig
2016-09-30 3:08 ` [PATCH 29/63] xfs: introduce the CoW fork Darrick J. Wong
2016-09-30 7:39 ` Christoph Hellwig
2016-09-30 17:48 ` Darrick J. Wong
2016-09-30 3:08 ` [PATCH 30/63] xfs: support bmapping delalloc extents in " Darrick J. Wong
2016-09-30 7:42 ` Christoph Hellwig
2016-09-30 3:09 ` [PATCH 31/63] xfs: create delalloc extents in " Darrick J. Wong
2016-10-04 16:38 ` Brian Foster
2016-10-04 17:39 ` Darrick J. Wong
2016-10-04 18:38 ` Brian Foster
2016-09-30 3:09 ` [PATCH 32/63] xfs: support allocating delayed " Darrick J. Wong
2016-09-30 7:42 ` Christoph Hellwig
2016-10-04 16:38 ` Brian Foster
2016-09-30 3:09 ` [PATCH 33/63] xfs: allocate " Darrick J. Wong
2016-10-04 16:38 ` Brian Foster
2016-10-04 18:26 ` Darrick J. Wong
2016-10-04 18:39 ` Brian Foster
2016-09-30 3:09 ` [PATCH 34/63] xfs: support removing extents from " Darrick J. Wong
2016-09-30 7:46 ` Christoph Hellwig
2016-09-30 18:00 ` Darrick J. Wong
2016-10-05 18:26 ` Brian Foster
2016-09-30 3:09 ` [PATCH 35/63] xfs: move mappings from cow fork to data fork after copy-write Darrick J. Wong
2016-10-05 18:26 ` Brian Foster
2016-10-05 21:22 ` Darrick J. Wong
2016-09-30 3:09 ` [PATCH 36/63] xfs: report shared extent mappings to userspace correctly Darrick J. Wong
2016-09-30 3:09 ` [PATCH 37/63] xfs: implement CoW for directio writes Darrick J. Wong
2016-10-05 18:27 ` Brian Foster
2016-10-05 20:55 ` Darrick J. Wong
2016-10-06 12:20 ` Brian Foster
2016-10-07 1:02 ` Darrick J. Wong
2016-10-07 6:17 ` Christoph Hellwig
2016-10-07 12:16 ` Brian Foster
2016-10-07 12:15 ` Brian Foster
2016-10-13 18:14 ` Darrick J. Wong
2016-10-13 19:01 ` Brian Foster
2016-09-30 3:09 ` [PATCH 38/63] xfs: cancel CoW reservations and clear inode reflink flag when freeing blocks Darrick J. Wong
2016-09-30 7:47 ` Christoph Hellwig
2016-10-06 16:44 ` Brian Foster
2016-10-07 0:40 ` Darrick J. Wong
2016-09-30 3:09 ` [PATCH 39/63] xfs: cancel pending CoW reservations when destroying inodes Darrick J. Wong
2016-09-30 7:47 ` Christoph Hellwig
2016-10-06 16:44 ` Brian Foster
2016-10-07 0:42 ` Darrick J. Wong
2016-09-30 3:09 ` [PATCH 40/63] xfs: store in-progress CoW allocations in the refcount btree Darrick J. Wong
2016-09-30 7:49 ` Christoph Hellwig
2016-10-07 18:04 ` Brian Foster
2016-10-07 19:18 ` Darrick J. Wong [this message]
2016-09-30 3:10 ` [PATCH 41/63] xfs: reflink extents from one file to another Darrick J. Wong
2016-09-30 7:50 ` Christoph Hellwig
2016-10-07 18:04 ` Brian Foster
2016-10-07 19:44 ` Darrick J. Wong
2016-10-07 20:48 ` Brian Foster
2016-10-07 21:41 ` Darrick J. Wong
2016-10-10 13:17 ` Brian Foster
2016-09-30 3:10 ` [PATCH 42/63] xfs: add clone file and clone range vfs functions Darrick J. Wong
2016-09-30 7:51 ` Christoph Hellwig
2016-09-30 18:04 ` Darrick J. Wong
2016-10-07 18:04 ` Brian Foster
2016-10-07 20:31 ` Darrick J. Wong
2016-09-30 3:10 ` [PATCH 43/63] xfs: add dedupe range vfs function Darrick J. Wong
2016-09-30 7:53 ` Christoph Hellwig
2016-09-30 3:10 ` [PATCH 44/63] xfs: teach get_bmapx about shared extents and the CoW fork Darrick J. Wong
2016-09-30 7:53 ` Christoph Hellwig
2016-09-30 3:10 ` [PATCH 45/63] xfs: swap inode reflink flags when swapping inode extents Darrick J. Wong
2016-09-30 7:54 ` Christoph Hellwig
2016-09-30 3:10 ` [PATCH 46/63] xfs: unshare a range of blocks via fallocate Darrick J. Wong
2016-09-30 7:54 ` Christoph Hellwig
2016-10-07 18:05 ` Brian Foster
2016-10-07 20:26 ` Darrick J. Wong
2016-10-07 20:58 ` Brian Foster
2016-10-07 21:15 ` Darrick J. Wong
2016-10-07 22:25 ` Dave Chinner
2016-10-10 17:05 ` Darrick J. Wong
2016-09-30 3:10 ` [PATCH 47/63] xfs: create a separate cow extent size hint for the allocator Darrick J. Wong
2016-09-30 7:55 ` Christoph Hellwig
2016-09-30 3:10 ` [PATCH 48/63] xfs: preallocate blocks for worst-case btree expansion Darrick J. Wong
2016-09-30 8:19 ` Christoph Hellwig
2016-10-12 18:44 ` Brian Foster
2016-10-12 20:52 ` Darrick J. Wong
2016-10-12 22:42 ` Brian Foster
2016-12-06 19:32 ` Darrick J. Wong
2016-12-07 11:53 ` Brian Foster
2016-12-08 6:14 ` Darrick J. Wong
2016-09-30 3:10 ` [PATCH 49/63] xfs: don't allow reflink when the AG is low on space Darrick J. Wong
2016-09-30 8:19 ` Christoph Hellwig
2016-09-30 3:11 ` [PATCH 50/63] xfs: try other AGs to allocate a BMBT block Darrick J. Wong
2016-09-30 8:20 ` Christoph Hellwig
2016-09-30 3:11 ` [PATCH 51/63] xfs: garbage collect old cowextsz reservations Darrick J. Wong
2016-09-30 8:23 ` Christoph Hellwig
2016-09-30 3:11 ` [PATCH 52/63] xfs: increase log reservations for reflink Darrick J. Wong
2016-09-30 8:23 ` Christoph Hellwig
2016-09-30 3:11 ` [PATCH 53/63] xfs: add shared rmap map/unmap/convert log item types Darrick J. Wong
2016-09-30 8:24 ` Christoph Hellwig
2016-09-30 3:11 ` [PATCH 54/63] xfs: use interval query for rmap alloc operations on shared files Darrick J. Wong
2016-09-30 8:24 ` Christoph Hellwig
2016-09-30 3:11 ` [PATCH 55/63] xfs: convert unwritten status of reverse mappings for " Darrick J. Wong
2016-09-30 8:25 ` Christoph Hellwig
2016-09-30 3:11 ` [PATCH 56/63] xfs: set a default CoW extent size of 32 blocks Darrick J. Wong
2016-09-30 8:25 ` Christoph Hellwig
2016-09-30 3:11 ` [PATCH 57/63] xfs: check for invalid inode reflink flags Darrick J. Wong
2016-09-30 8:26 ` Christoph Hellwig
2016-09-30 3:11 ` [PATCH 58/63] xfs: don't mix reflink and DAX mode for now Darrick J. Wong
2016-09-30 8:26 ` Christoph Hellwig
2016-09-30 3:12 ` [PATCH 59/63] xfs: simulate per-AG reservations being critically low Darrick J. Wong
2016-09-30 8:27 ` Christoph Hellwig
2016-09-30 3:12 ` [PATCH 60/63] xfs: recognize the reflink feature bit Darrick J. Wong
2016-09-30 8:27 ` Christoph Hellwig
2016-09-30 3:12 ` [PATCH 61/63] xfs: various swapext cleanups Darrick J. Wong
2016-09-30 8:28 ` Christoph Hellwig
2016-09-30 3:12 ` [PATCH 62/63] xfs: refactor swapext code Darrick J. Wong
2016-09-30 8:28 ` Christoph Hellwig
2016-09-30 3:12 ` [PATCH 63/63] xfs: implement swapext for rmap filesystems Darrick J. Wong
2016-09-30 9:00 ` [PATCH v10 00/63] xfs: add reflink and dedupe support Christoph Hellwig
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