From: Darrick J. Wong <djwong@xxxxxxxxxx>
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@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
---
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 b00b1eece9de..d2064a52811b 100644
--- a/Documentation/admin-guide/xfs.rst
+++ b/Documentation/admin-guide/xfs.rst
@@ -518,6 +518,9 @@ 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;
