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-rw-r--r--net/sunrpc/rpc_pipe.c78
1 files changed, 50 insertions, 28 deletions
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 1613d85..57e9cd3 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -406,19 +406,6 @@ struct rpc_filelist {
umode_t mode;
};
-enum {
- RPCAUTH_info,
- RPCAUTH_EOF
-};
-
-static const struct rpc_filelist authfiles[] = {
- [RPCAUTH_info] = {
- .name = "info",
- .i_fop = &rpc_info_operations,
- .mode = S_IFREG | S_IRUSR,
- },
-};
-
struct vfsmount *rpc_get_mount(void)
{
int err;
@@ -698,8 +685,9 @@ out_bad:
return err;
}
-struct dentry *rpc_mkdir_populate(struct dentry *parent,
- struct qstr *name, umode_t mode, void *private)
+static struct dentry *rpc_mkdir_populate(struct dentry *parent,
+ struct qstr *name, umode_t mode, void *private,
+ int (*populate)(struct dentry *, void *), void *args_populate)
{
struct dentry *dentry;
struct inode *dir = parent->d_inode;
@@ -712,10 +700,11 @@ struct dentry *rpc_mkdir_populate(struct dentry *parent,
error = __rpc_mkdir(dir, dentry, mode, NULL, private);
if (error != 0)
goto out_err;
- error = rpc_populate(dentry, authfiles,
- RPCAUTH_info, RPCAUTH_EOF, private);
- if (error)
- goto err_rmdir;
+ if (populate != NULL) {
+ error = populate(dentry, args_populate);
+ if (error)
+ goto err_rmdir;
+ }
out:
mutex_unlock(&dir->i_mutex);
return dentry;
@@ -726,11 +715,8 @@ out_err:
goto out;
}
-/**
- * rpc_remove_client_dir - Remove a directory created with rpc_create_client_dir()
- * @dentry: directory to remove
- */
-int rpc_remove_client_dir(struct dentry *dentry)
+static int rpc_rmdir_depopulate(struct dentry *dentry,
+ void (*depopulate)(struct dentry *))
{
struct dentry *parent;
struct inode *dir;
@@ -739,7 +725,8 @@ int rpc_remove_client_dir(struct dentry *dentry)
parent = dget_parent(dentry);
dir = parent->d_inode;
mutex_lock_nested(&dir->i_mutex, I_MUTEX_PARENT);
- rpc_depopulate(dentry, authfiles, RPCAUTH_info, RPCAUTH_EOF);
+ if (depopulate != NULL)
+ depopulate(dentry);
error = __rpc_rmdir(dir, dentry);
mutex_unlock(&dir->i_mutex);
dput(parent);
@@ -843,6 +830,31 @@ rpc_unlink(struct dentry *dentry)
}
EXPORT_SYMBOL_GPL(rpc_unlink);
+enum {
+ RPCAUTH_info,
+ RPCAUTH_EOF
+};
+
+static const struct rpc_filelist authfiles[] = {
+ [RPCAUTH_info] = {
+ .name = "info",
+ .i_fop = &rpc_info_operations,
+ .mode = S_IFREG | S_IRUSR,
+ },
+};
+
+static int rpc_clntdir_populate(struct dentry *dentry, void *private)
+{
+ return rpc_populate(dentry,
+ authfiles, RPCAUTH_info, RPCAUTH_EOF,
+ private);
+}
+
+static void rpc_clntdir_depopulate(struct dentry *dentry)
+{
+ rpc_depopulate(dentry, authfiles, RPCAUTH_info, RPCAUTH_EOF);
+}
+
/**
* rpc_create_client_dir - Create a new rpc_client directory in rpc_pipefs
* @path: path from the rpc_pipefs root to the new directory
@@ -854,10 +866,20 @@ EXPORT_SYMBOL_GPL(rpc_unlink);
* later be created using rpc_mkpipe().
*/
struct dentry *rpc_create_client_dir(struct dentry *dentry,
- struct qstr *name,
- struct rpc_clnt *rpc_client)
+ struct qstr *name,
+ struct rpc_clnt *rpc_client)
+{
+ return rpc_mkdir_populate(dentry, name, S_IRUGO | S_IXUGO, NULL,
+ rpc_clntdir_populate, rpc_client);
+}
+
+/**
+ * rpc_remove_client_dir - Remove a directory created with rpc_create_client_dir()
+ * @dentry: directory to remove
+ */
+int rpc_remove_client_dir(struct dentry *dentry)
{
- return rpc_mkdir_populate(dentry, name, S_IRUGO | S_IXUGO, rpc_client);
+ return rpc_rmdir_depopulate(dentry, rpc_clntdir_depopulate);
}
/*
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