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authorDarrick J. Wong <darrick.wong@oracle.com>2018-05-09 20:03:56 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2018-05-16 03:57:05 +0300
commitd6b636ebb1c9f412687a7b6ed97c996247cc2380 (patch)
tree889b0ec861c28a50e721aa6aa683ff4e55307fd0 /fs/xfs/xfs_icache.c
parent95eb308caa0ff7c4a0a86053422934737e6e6dc7 (diff)
downloadlinux-d6b636ebb1c9f412687a7b6ed97c996247cc2380.tar.xz
xfs: halt auto-reclamation activities while rebuilding rmap
Rebuilding the reverse-mapping tree requires us to quiesce all inodes in the filesystem, so we must stop background reclamation of post-EOF and CoW prealloc blocks. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_icache.c')
-rw-r--r--fs/xfs/xfs_icache.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 9deff136c5b9..164350d91efc 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1826,3 +1826,21 @@ xfs_inode_clear_cowblocks_tag(
return __xfs_inode_clear_blocks_tag(ip,
trace_xfs_perag_clear_cowblocks, XFS_ICI_COWBLOCKS_TAG);
}
+
+/* Disable post-EOF and CoW block auto-reclamation. */
+void
+xfs_icache_disable_reclaim(
+ struct xfs_mount *mp)
+{
+ cancel_delayed_work_sync(&mp->m_eofblocks_work);
+ cancel_delayed_work_sync(&mp->m_cowblocks_work);
+}
+
+/* Enable post-EOF and CoW block auto-reclamation. */
+void
+xfs_icache_enable_reclaim(
+ struct xfs_mount *mp)
+{
+ xfs_queue_eofblocks(mp);
+ xfs_queue_cowblocks(mp);
+}