From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>,
linux-xfs@vger.kernel.org, hch@infradead.org,
david@fromorbit.com
Subject: [PATCH 10/9] xfs: expose the blockgc workqueue knobs publicly
Date: Mon, 25 Jan 2021 21:13:13 -0800 [thread overview]
Message-ID: <20210126051313.GV7698@magnolia> (raw)
In-Reply-To: <161142800187.2173480.17415824680111946713.stgit@magnolia>
From: Darrick J. Wong <djwong@kernel.org>
Expose the workqueue sysfs knobs for the speculative preallocation gc
workers on all kernels, and update the sysadmin information.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
Documentation/admin-guide/xfs.rst | 3 +++
fs/xfs/xfs_super.c | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/admin-guide/xfs.rst b/Documentation/admin-guide/xfs.rst
index 5fd14556c6fe..09365464ad9d 100644
--- a/Documentation/admin-guide/xfs.rst
+++ b/Documentation/admin-guide/xfs.rst
@@ -513,6 +513,9 @@ and the short name of the data device. They all can be found in:
================ ===========
xfs_iwalk-$pid Inode scans of the entire filesystem. Currently limited to
mount time quotacheck.
+ xfs-blockgc Background garbage collection of disk space that have been
+ speculatively allocated beyond EOF or for staging copy on
+ write operations.
================ ===========
For example, the knobs for the quotacheck workqueue for /dev/nvme0n1 would be
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 2b04818627e9..21b1d034aca3 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -520,7 +520,7 @@ xfs_init_mount_workqueues(
goto out_destroy_cil;
mp->m_blockgc_workqueue = alloc_workqueue("xfs-blockgc/%s",
- XFS_WQFLAGS(WQ_UNBOUND | WQ_FREEZABLE | WQ_MEM_RECLAIM),
+ WQ_SYSFS | WQ_UNBOUND | WQ_FREEZABLE | WQ_MEM_RECLAIM,
0, mp->m_super->s_id);
if (!mp->m_blockgc_workqueue)
goto out_destroy_reclaim;
next prev parent reply other threads:[~2021-01-26 23:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-23 18:53 [PATCHSET v4 0/9] xfs: consolidate posteof and cowblocks cleanup Darrick J. Wong
2021-01-23 18:53 ` [PATCH 1/9] xfs: relocate the eofb/cowb workqueue functions Darrick J. Wong
2021-01-23 18:53 ` [PATCH 2/9] xfs: hide xfs_icache_free_eofblocks Darrick J. Wong
2021-01-23 18:53 ` [PATCH 3/9] xfs: hide xfs_icache_free_cowblocks Darrick J. Wong
2021-01-23 18:53 ` [PATCH 4/9] xfs: remove trivial eof/cowblocks functions Darrick J. Wong
2021-01-23 18:53 ` [PATCH 5/9] xfs: consolidate incore inode radix tree posteof/cowblocks tags Darrick J. Wong
2021-01-23 18:53 ` [PATCH 6/9] xfs: consolidate the eofblocks and cowblocks workers Darrick J. Wong
2021-01-23 18:54 ` [PATCH 7/9] xfs: only walk the incore inode tree once per blockgc scan Darrick J. Wong
2021-01-23 18:54 ` [PATCH 8/9] xfs: rename block gc start and stop functions Darrick J. Wong
2021-01-23 18:54 ` [PATCH 9/9] xfs: parallelize block preallocation garbage collection Darrick J. Wong
2021-01-26 5:12 ` [PATCH v4.1 " Darrick J. Wong
2021-01-26 5:13 ` Darrick J. Wong [this message]
2021-01-27 17:03 ` [PATCH 10/9] xfs: expose the blockgc workqueue knobs publicly Christoph Hellwig
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