#include <linux/sunrpc/clnt.h>
#include <linux/workqueue.h>
#include <linux/sunrpc/rpc_pipe_fs.h>
+#include <linux/sunrpc/cache.h>
static struct vfsmount *rpc_mount __read_mostly;
static int rpc_mount_count;
return ERR_PTR(err);
return rpc_mount;
}
+EXPORT_SYMBOL_GPL(rpc_get_mount);
void rpc_put_mount(void)
{
simple_release_fs(&rpc_mount, &rpc_mount_count);
}
+EXPORT_SYMBOL_GPL(rpc_put_mount);
static int rpc_delete_dentry(struct dentry *dentry)
{
/**
* rpc_create_client_dir - Create a new rpc_client directory in rpc_pipefs
- * @path: path from the rpc_pipefs root to the new directory
+ * @dentry: dentry from the rpc_pipefs root to the new directory
+ * @name: &struct qstr for the name
* @rpc_client: rpc client to associate with this directory
*
* This creates a directory at the given @path associated with
return rpc_rmdir_depopulate(dentry, rpc_clntdir_depopulate);
}
+static const struct rpc_filelist cache_pipefs_files[3] = {
+ [0] = {
+ .name = "channel",
+ .i_fop = &cache_file_operations_pipefs,
+ .mode = S_IFREG|S_IRUSR|S_IWUSR,
+ },
+ [1] = {
+ .name = "content",
+ .i_fop = &content_file_operations_pipefs,
+ .mode = S_IFREG|S_IRUSR,
+ },
+ [2] = {
+ .name = "flush",
+ .i_fop = &cache_flush_operations_pipefs,
+ .mode = S_IFREG|S_IRUSR|S_IWUSR,
+ },
+};
+
+static int rpc_cachedir_populate(struct dentry *dentry, void *private)
+{
+ return rpc_populate(dentry,
+ cache_pipefs_files, 0, 3,
+ private);
+}
+
+static void rpc_cachedir_depopulate(struct dentry *dentry)
+{
+ rpc_depopulate(dentry, cache_pipefs_files, 0, 3);
+}
+
+struct dentry *rpc_create_cache_dir(struct dentry *parent, struct qstr *name,
+ mode_t umode, struct cache_detail *cd)
+{
+ return rpc_mkdir_populate(parent, name, umode, NULL,
+ rpc_cachedir_populate, cd);
+}
+
+void rpc_remove_cache_dir(struct dentry *dentry)
+{
+ rpc_rmdir_depopulate(dentry, rpc_cachedir_depopulate);
+}
+
/*
* populate the filesystem
*/
-static struct super_operations s_ops = {
+static const struct super_operations s_ops = {
.alloc_inode = rpc_alloc_inode,
.destroy_inode = rpc_destroy_inode,
.statfs = simple_statfs,
RPCAUTH_portmap,
RPCAUTH_statd,
RPCAUTH_nfsd4_cb,
+ RPCAUTH_cache,
RPCAUTH_RootEOF
};
.name = "nfsd4_cb",
.mode = S_IFDIR | S_IRUGO | S_IXUGO,
},
+ [RPCAUTH_cache] = {
+ .name = "cache",
+ .mode = S_IFDIR | S_IRUGO | S_IXUGO,
+ },
};
static int