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| author | David Teigland <teigland@redhat.com> | 2012-01-09 17:18:05 -0500 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2012-01-11 09:23:05 +0000 |
| commit | e0c2a9aa1e68455dc3439e95d85cabcaff073666 (patch) | |
| tree | 22e0dea3972d74defb0219fbbcd5c9d395c0bdb3 /fs/gfs2/main.c | |
| parent | e343a895a9f342f239c5e3c5ffc6c0b1707e6244 (diff) | |
| download | linux-e0c2a9aa1e68455dc3439e95d85cabcaff073666.tar.gz | |
GFS2: dlm based recovery coordination
This new method of managing recovery is an alternative to the previous approach of using the userland gfs_controld. - use dlm slot numbers to assign journal id's - use dlm recovery callbacks to initiate journal recovery - use a dlm lock to determine the first node to mount fs - use a dlm lock to track journals that need recovery Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/main.c')
| -rw-r--r-- | fs/gfs2/main.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index c150298e2d8e..a8d9bcd0e19c 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -28,6 +28,8 @@ #include "recovery.h" #include "dir.h" +struct workqueue_struct *gfs2_control_wq; + static struct shrinker qd_shrinker = { .shrink = gfs2_shrink_qd_memory, .seeks = DEFAULT_SEEKS, @@ -146,12 +148,19 @@ static int __init init_gfs2_fs(void) if (!gfs_recovery_wq) goto fail_wq; + gfs2_control_wq = alloc_workqueue("gfs2_control", + WQ_NON_REENTRANT | WQ_UNBOUND | WQ_FREEZABLE, 0); + if (!gfs2_control_wq) + goto fail_control; + gfs2_register_debugfs(); printk("GFS2 installed\n"); return 0; +fail_control: + destroy_workqueue(gfs_recovery_wq); fail_wq: unregister_filesystem(&gfs2meta_fs_type); fail_unregister: @@ -195,6 +204,7 @@ static void __exit exit_gfs2_fs(void) unregister_filesystem(&gfs2_fs_type); unregister_filesystem(&gfs2meta_fs_type); destroy_workqueue(gfs_recovery_wq); + destroy_workqueue(gfs2_control_wq); rcu_barrier(); |