From 74b1b10e29b1f25e1a081fa82733baea65429d53 Mon Sep 17 00:00:00 2001 From: Bob Peterson Date: Tue, 30 Aug 2022 13:52:13 -0500 Subject: [PATCH] gfs2: Register fs after creating workqueues Before this patch, the gfs2 file system was registered prior to creating the three workqueues. In some cases this allowed dlm to send recovery work to a workqueue that did not yet exist because gfs2 was still initializing. This patch changes the order of gfs2's initialization routine so it only registers the file system after the work queues are created. Signed-off-by: Bob Peterson Signed-off-by: Andreas Gruenbacher --- fs/gfs2/main.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index 14ae9de..afcb328 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -151,14 +151,6 @@ static int __init init_gfs2_fs(void) if (error) goto fail_shrinker; - error = register_filesystem(&gfs2_fs_type); - if (error) - goto fail_fs1; - - error = register_filesystem(&gfs2meta_fs_type); - if (error) - goto fail_fs2; - error = -ENOMEM; gfs_recovery_wq = alloc_workqueue("gfs_recovery", WQ_MEM_RECLAIM | WQ_FREEZABLE, 0); @@ -180,11 +172,23 @@ static int __init init_gfs2_fs(void) goto fail_mempool; gfs2_register_debugfs(); + error = register_filesystem(&gfs2_fs_type); + if (error) + goto fail_fs1; + + error = register_filesystem(&gfs2meta_fs_type); + if (error) + goto fail_fs2; + pr_info("GFS2 installed\n"); return 0; +fail_fs2: + unregister_filesystem(&gfs2_fs_type); +fail_fs1: + mempool_destroy(gfs2_page_pool); fail_mempool: destroy_workqueue(gfs2_freeze_wq); fail_wq3: @@ -192,10 +196,6 @@ fail_wq3: fail_wq2: destroy_workqueue(gfs_recovery_wq); fail_wq1: - unregister_filesystem(&gfs2meta_fs_type); -fail_fs2: - unregister_filesystem(&gfs2_fs_type); -fail_fs1: unregister_shrinker(&gfs2_qd_shrinker); fail_shrinker: kmem_cache_destroy(gfs2_trans_cachep); -- 2.7.4