diff options
Diffstat (limited to 'fs/ocfs2/dlmglue.c')
| -rw-r--r-- | fs/ocfs2/dlmglue.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c index 3d5c6a0eb9ec..40562185088a 100644 --- a/fs/ocfs2/dlmglue.c +++ b/fs/ocfs2/dlmglue.c @@ -135,6 +135,11 @@ struct ocfs2_lock_res_ops { */ #define LOCK_TYPE_REQUIRES_REFRESH 0x1 +/* + * Indicate that a lock type makes use of the lock value block. + */ +#define LOCK_TYPE_USES_LVB 0x2 + typedef int (ocfs2_convert_worker_t)(struct ocfs2_lock_res *, int); static int ocfs2_generic_unblock_lock(struct ocfs2_super *osb, struct ocfs2_lock_res *lockres, @@ -150,7 +155,7 @@ static struct ocfs2_lock_res_ops ocfs2_inode_rw_lops = { static struct ocfs2_lock_res_ops ocfs2_inode_meta_lops = { .get_osb = ocfs2_get_inode_osb, .unblock = ocfs2_unblock_meta, - .flags = LOCK_TYPE_REQUIRES_REFRESH, + .flags = LOCK_TYPE_REQUIRES_REFRESH|LOCK_TYPE_USES_LVB, }; static struct ocfs2_lock_res_ops ocfs2_inode_data_lops = { @@ -870,6 +875,9 @@ static int ocfs2_cluster_lock(struct ocfs2_super *osb, ocfs2_init_mask_waiter(&mw); + if (lockres->l_ops->flags & LOCK_TYPE_USES_LVB) + lkm_flags |= LKM_VALBLK; + again: wait = 0; @@ -937,7 +945,7 @@ again: status = dlmlock(osb->dlm, level, &lockres->l_lksb, - lkm_flags|LKM_CONVERT|LKM_VALBLK, + lkm_flags|LKM_CONVERT, lockres->l_name, OCFS2_LOCK_ID_MAX_LEN - 1, ocfs2_locking_ast, @@ -2212,11 +2220,15 @@ static int ocfs2_drop_lock(struct ocfs2_super *osb, { enum dlm_status status; unsigned long flags; + int lkm_flags = 0; /* We didn't get anywhere near actually using this lockres. */ if (!(lockres->l_flags & OCFS2_LOCK_INITIALIZED)) goto out; + if (lockres->l_ops->flags & LOCK_TYPE_USES_LVB) + lkm_flags |= LKM_VALBLK; + spin_lock_irqsave(&lockres->l_lock, flags); mlog_bug_on_msg(!(lockres->l_flags & OCFS2_LOCK_FREEING), @@ -2266,7 +2278,7 @@ static int ocfs2_drop_lock(struct ocfs2_super *osb, mlog(0, "lock %s\n", lockres->l_name); - status = dlmunlock(osb->dlm, &lockres->l_lksb, LKM_VALBLK, + status = dlmunlock(osb->dlm, &lockres->l_lksb, lkm_flags, ocfs2_unlock_ast, lockres); if (status != DLM_NORMAL) { ocfs2_log_dlm_error("dlmunlock", status, lockres); |