From: Darrick J. Wong Date: Tue, 26 Jan 2021 00:39:01 +0000 (-0800) Subject: xfs: expose the blockgc workqueue knobs publicly X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=47bd6d3457fb96d287278027aed8a78d14f1d32d;p=linux.git xfs: expose the blockgc workqueue knobs publicly 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 Reviewed-by: Christoph Hellwig --- diff --git a/Documentation/admin-guide/xfs.rst b/Documentation/admin-guide/xfs.rst index b00b1eece9de8..d2064a52811b6 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 2b04818627e98..21b1d034aca3f 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;