#define MLOG_MASK_PREFIX ML_DLMFS
#include "cluster/masklog.h"
+#include "ocfs2_lockingver.h"
+
static const struct super_operations dlmfs_ops;
static const struct file_operations dlmfs_file_operations;
static const struct inode_operations dlmfs_dir_inode_operations;
struct workqueue_struct *user_dlm_worker;
+/*
+ * This is the userdlmfs locking protocol version.
+ *
+ * See fs/ocfs2/dlmglue.c for more details on locking versions.
+ */
+static const struct dlm_protocol_version user_locking_protocol = {
+ .pv_major = OCFS2_LOCKING_PROTOCOL_MAJOR,
+ .pv_minor = OCFS2_LOCKING_PROTOCOL_MINOR,
+};
+
/*
* decodes a set of open flags into a valid lock level and a set of flags.
* returns < 0 if we have invalid flags
return writelen;
}
-static void dlmfs_init_once(void *foo,
- struct kmem_cache *cachep,
- unsigned long flags)
+static void dlmfs_init_once(struct kmem_cache *cachep,
+ void *foo)
{
struct dlmfs_inode_private *ip =
(struct dlmfs_inode_private *) foo;
- if (flags & SLAB_CTOR_CONSTRUCTOR) {
- ip->ip_dlm = NULL;
- ip->ip_parent = NULL;
+ ip->ip_dlm = NULL;
+ ip->ip_parent = NULL;
- inode_init_once(&ip->ip_vfs_inode);
- }
+ inode_init_once(&ip->ip_vfs_inode);
}
static struct inode *dlmfs_alloc_inode(struct super_block *sb)
static struct backing_dev_info dlmfs_backing_dev_info = {
.ra_pages = 0, /* No readahead */
- .capabilities = BDI_CAP_NO_ACCT_DIRTY | BDI_CAP_NO_WRITEBACK,
+ .capabilities = BDI_CAP_NO_ACCT_AND_WRITEBACK,
};
static struct inode *dlmfs_get_root_inode(struct super_block *sb)
struct qstr *domain = &dentry->d_name;
struct dlmfs_inode_private *ip;
struct dlm_ctxt *dlm;
+ struct dlm_protocol_version proto = user_locking_protocol;
mlog(0, "mkdir %.*s\n", domain->len, domain->name);
ip = DLMFS_I(inode);
- dlm = user_dlm_register_context(domain);
+ dlm = user_dlm_register_context(domain, &proto);
if (IS_ERR(dlm)) {
status = PTR_ERR(dlm);
mlog(ML_ERROR, "Error %d could not register domain \"%.*s\"\n",
dlmfs_print_version();
+ status = bdi_init(&dlmfs_backing_dev_info);
+ if (status)
+ return status;
+
dlmfs_inode_cache = kmem_cache_create("dlmfs_inode_cache",
sizeof(struct dlmfs_inode_private),
0, (SLAB_HWCACHE_ALIGN|SLAB_RECLAIM_ACCOUNT|
SLAB_MEM_SPREAD),
- dlmfs_init_once, NULL);
+ dlmfs_init_once);
if (!dlmfs_inode_cache)
- return -ENOMEM;
+ goto bail;
cleanup_inode = 1;
user_dlm_worker = create_singlethread_workqueue("user_dlm");
kmem_cache_destroy(dlmfs_inode_cache);
if (cleanup_worker)
destroy_workqueue(user_dlm_worker);
+ bdi_destroy(&dlmfs_backing_dev_info);
} else
printk("OCFS2 User DLM kernel interface loaded\n");
return status;
destroy_workqueue(user_dlm_worker);
kmem_cache_destroy(dlmfs_inode_cache);
+
+ bdi_destroy(&dlmfs_backing_dev_info);
}
MODULE_AUTHOR("Oracle");