Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 737 insertions, 0 deletions

diff --git a/source3/modules/vfs_recycle.c b/source3/modules/vfs_recycle.c
new file mode 100644
index 0000000..327a7ee
--- /dev/null
+++ b/source3/modules/vfs_recycle.c
@@ -0,0 +1,737 @@
+/*
+ * Recycle bin VFS module for Samba.
+ *
+ * Copyright (C) 2001, Brandon Stone, Amherst College, <bbstone@amherst.edu>.
+ * Copyright (C) 2002, Jeremy Allison - modified to make a VFS module.
+ * Copyright (C) 2002, Alexander Bokovoy - cascaded VFS adoption,
+ * Copyright (C) 2002, Juergen Hasch - added some options.
+ * Copyright (C) 2002, Simo Sorce
+ * Copyright (C) 2002, Stefan (metze) Metzmacher
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes.h"
+#include "smbd/smbd.h"
+#include "system/filesys.h"
+#include "../librpc/gen_ndr/ndr_netlogon.h"
+#include "auth.h"
+#include "source3/lib/substitute.h"
+
+#define ALLOC_CHECK(ptr, label) do { if ((ptr) == NULL) { DEBUG(0, ("recycle.bin: out of memory!\n")); errno = ENOMEM; goto label; } } while(0)
+
+static int vfs_recycle_debug_level = DBGC_VFS;
+
+#undef DBGC_CLASS
+#define DBGC_CLASS vfs_recycle_debug_level
+
+struct recycle_config_data {
+	const char *repository;
+	bool keeptree;
+	bool versions;
+	bool touch;
+	bool touch_mtime;
+	const char **exclude;
+	const char **exclude_dir;
+	const char **noversions;
+	mode_t directory_mode;
+	mode_t subdir_mode;
+	off_t minsize;
+	off_t maxsize;
+};
+
+static int vfs_recycle_connect(struct vfs_handle_struct *handle,
+			       const char *service,
+			       const char *user)
+{
+	struct recycle_config_data *config = NULL;
+	int ret;
+	int t;
+	const char *buff;
+
+	ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
+	if (ret < 0) {
+		return ret;
+	}
+
+	if (IS_IPC(handle->conn) || IS_PRINT(handle->conn)) {
+		return 0;
+	}
+
+	config = talloc_zero(handle->conn, struct recycle_config_data);
+	if (config == NULL) {
+		DBG_ERR("talloc_zero() failed\n");
+		errno = ENOMEM;
+		return -1;
+	}
+	config->repository = lp_parm_const_string(SNUM(handle->conn),
+						  "recycle",
+						  "repository",
+						  ".recycle");
+	config->keeptree = lp_parm_bool(SNUM(handle->conn),
+					"recycle",
+					"keeptree",
+					False);
+	config->versions = lp_parm_bool(SNUM(handle->conn),
+					"recycle",
+					"versions",
+					False);
+	config->touch = lp_parm_bool(SNUM(handle->conn),
+				     "recycle",
+				     "touch",
+				     False);
+	config->touch_mtime = lp_parm_bool(SNUM(handle->conn),
+					   "recycle",
+					   "touch_mtime",
+					   False);
+	config->exclude = lp_parm_string_list(SNUM(handle->conn),
+					      "recycle",
+					      "exclude",
+					      NULL);
+	config->exclude_dir = lp_parm_string_list(SNUM(handle->conn),
+						  "recycle",
+						  "exclude_dir",
+						  NULL);
+	config->noversions = lp_parm_string_list(SNUM(handle->conn),
+						 "recycle",
+						 "noversions",
+						 NULL);
+	config->minsize = conv_str_size(lp_parm_const_string(
+		SNUM(handle->conn), "recycle", "minsize", NULL));
+	config->maxsize = conv_str_size(lp_parm_const_string(
+		SNUM(handle->conn), "recycle", "maxsize", NULL));
+
+	buff = lp_parm_const_string(SNUM(handle->conn),
+				    "recycle",
+				    "directory_mode",
+				    NULL);
+	if (buff != NULL ) {
+		sscanf(buff, "%o", &t);
+	} else {
+		t = S_IRUSR | S_IWUSR | S_IXUSR;
+	}
+	config->directory_mode = (mode_t)t;
+
+	buff = lp_parm_const_string(SNUM(handle->conn),
+				    "recycle",
+				    "subdir_mode",
+				    NULL);
+	if (buff != NULL ) {
+		sscanf(buff, "%o", &t);
+	} else {
+		t = config->directory_mode;
+	}
+	config->subdir_mode = (mode_t)t;
+
+	SMB_VFS_HANDLE_SET_DATA(
+		handle, config, NULL, struct recycle_config_data, return -1);
+	return 0;
+}
+
+static bool recycle_directory_exist(vfs_handle_struct *handle, const char *dname)
+{
+	struct smb_filename smb_fname = {
+			.base_name = discard_const_p(char, dname)
+	};
+
+	if (SMB_VFS_STAT(handle->conn, &smb_fname) == 0) {
+		if (S_ISDIR(smb_fname.st.st_ex_mode)) {
+			return True;
+		}
+	}
+
+	return False;
+}
+
+static bool recycle_file_exist(vfs_handle_struct *handle,
+			       const struct smb_filename *smb_fname)
+{
+	struct smb_filename *smb_fname_tmp = NULL;
+	bool ret = false;
+
+	smb_fname_tmp = cp_smb_filename(talloc_tos(), smb_fname);
+	if (smb_fname_tmp == NULL) {
+		return false;
+	}
+
+	if (SMB_VFS_STAT(handle->conn, smb_fname_tmp) == 0) {
+		if (S_ISREG(smb_fname_tmp->st.st_ex_mode)) {
+			ret = true;
+		}
+	}
+
+	TALLOC_FREE(smb_fname_tmp);
+	return ret;
+}
+
+/**
+ * Return file size
+ * @param conn connection
+ * @param fname file name
+ * @return size in bytes
+ **/
+static off_t recycle_get_file_size(vfs_handle_struct *handle,
+				       const struct smb_filename *smb_fname)
+{
+	struct smb_filename *smb_fname_tmp = NULL;
+	off_t size;
+
+	smb_fname_tmp = cp_smb_filename(talloc_tos(), smb_fname);
+	if (smb_fname_tmp == NULL) {
+		size = (off_t)0;
+		goto out;
+	}
+
+	if (SMB_VFS_STAT(handle->conn, smb_fname_tmp) != 0) {
+		DBG_DEBUG("stat for %s returned %s\n",
+			 smb_fname_str_dbg(smb_fname_tmp), strerror(errno));
+		size = (off_t)0;
+		goto out;
+	}
+
+	size = smb_fname_tmp->st.st_ex_size;
+ out:
+	TALLOC_FREE(smb_fname_tmp);
+	return size;
+}
+
+/**
+ * Create directory tree
+ * @param conn connection
+ * @param dname Directory tree to be created
+ * @param directory mode
+ * @param subdirectory mode
+ * @return Returns True for success
+ **/
+static bool recycle_create_dir(vfs_handle_struct *handle,
+			       const char *dname,
+			       mode_t dir_mode,
+			       mode_t subdir_mode)
+{
+	size_t len;
+	mode_t mode = dir_mode;
+	char *new_dir = NULL;
+	char *tmp_str = NULL;
+	char *token;
+	char *tok_str;
+	bool ret = False;
+	char *saveptr;
+
+	tmp_str = SMB_STRDUP(dname);
+	ALLOC_CHECK(tmp_str, done);
+	tok_str = tmp_str;
+
+	len = strlen(dname)+1;
+	new_dir = (char *)SMB_MALLOC(len + 1);
+	ALLOC_CHECK(new_dir, done);
+	*new_dir = '\0';
+	if (dname[0] == '/') {
+		/* Absolute path. */
+		if (strlcat(new_dir,"/",len+1) >= len+1) {
+			goto done;
+		}
+	}
+
+	/* Create directory tree if necessary */
+	for(token = strtok_r(tok_str, "/", &saveptr); token;
+	    token = strtok_r(NULL, "/", &saveptr)) {
+		if (strlcat(new_dir, token, len+1) >= len+1) {
+			goto done;
+		}
+		if (recycle_directory_exist(handle, new_dir))
+			DEBUG(10, ("recycle: dir %s already exists\n", new_dir));
+		else {
+			struct smb_filename *smb_fname = NULL;
+			int retval;
+
+			DEBUG(5, ("recycle: creating new dir %s\n", new_dir));
+
+			smb_fname = synthetic_smb_fname(talloc_tos(),
+						new_dir,
+						NULL,
+						NULL,
+						0,
+						0);
+			if (smb_fname == NULL) {
+				goto done;
+			}
+
+			retval = SMB_VFS_NEXT_MKDIRAT(handle,
+					handle->conn->cwd_fsp,
+					smb_fname,
+					mode);
+			if (retval != 0) {
+				DBG_WARNING("recycle: mkdirat failed "
+					"for %s with error: %s\n",
+					new_dir,
+					strerror(errno));
+				TALLOC_FREE(smb_fname);
+				ret = False;
+				goto done;
+			}
+			TALLOC_FREE(smb_fname);
+		}
+		if (strlcat(new_dir, "/", len+1) >= len+1) {
+			goto done;
+		}
+		mode = subdir_mode;
+	}
+
+	ret = True;
+done:
+	SAFE_FREE(tmp_str);
+	SAFE_FREE(new_dir);
+	return ret;
+}
+
+/**
+ * Check if any of the components of "exclude_list" are contained in path.
+ * Return True if found
+ **/
+
+static bool matchdirparam(const char **dir_exclude_list, char *path)
+{
+	char *startp = NULL, *endp = NULL;
+
+	if (dir_exclude_list == NULL || dir_exclude_list[0] == NULL ||
+		*dir_exclude_list[0] == '\0' || path == NULL || *path == '\0') {
+		return False;
+	}
+
+	/* 
+	 * Walk the components of path, looking for matches with the
+	 * exclude list on each component. 
+	 */
+
+	for (startp = path; startp; startp = endp) {
+		int i;
+
+		while (*startp == '/') {
+			startp++;
+		}
+		endp = strchr(startp, '/');
+		if (endp) {
+			*endp = '\0';
+		}
+
+		for(i=0; dir_exclude_list[i] ; i++) {
+			if(unix_wild_match(dir_exclude_list[i], startp)) {
+				/* Repair path. */
+				if (endp) {
+					*endp = '/';
+				}
+				return True;
+			}
+		}
+
+		/* Repair path. */
+		if (endp) {
+			*endp = '/';
+		}
+	}
+
+	return False;
+}
+
+/**
+ * Check if needle is contained in haystack, * and ? patterns are resolved
+ * @param haystack list of parameters separated by delimimiter character
+ * @param needle string to be matched exectly to haystack including pattern matching
+ * @return True if found
+ **/
+static bool matchparam(const char **haystack_list, const char *needle)
+{
+	int i;
+
+	if (haystack_list == NULL || haystack_list[0] == NULL ||
+		*haystack_list[0] == '\0' || needle == NULL || *needle == '\0') {
+		return False;
+	}
+
+	for(i=0; haystack_list[i] ; i++) {
+		if(unix_wild_match(haystack_list[i], needle)) {
+			return True;
+		}
+	}
+
+	return False;
+}
+
+/**
+ * Touch access or modify date
+ **/
+static void recycle_do_touch(vfs_handle_struct *handle,
+			     const struct smb_filename *smb_fname,
+			     bool touch_mtime)
+{
+	struct smb_filename *smb_fname_tmp = NULL;
+	struct smb_file_time ft;
+	int ret, err;
+	NTSTATUS status;
+
+	init_smb_file_time(&ft);
+
+	status = synthetic_pathref(talloc_tos(),
+				   handle->conn->cwd_fsp,
+				   smb_fname->base_name,
+				   smb_fname->stream_name,
+				   NULL,
+				   smb_fname->twrp,
+				   smb_fname->flags,
+				   &smb_fname_tmp);
+	if (!NT_STATUS_IS_OK(status)) {
+		DBG_DEBUG("synthetic_pathref for '%s' failed: %s\n",
+			  smb_fname_str_dbg(smb_fname), nt_errstr(status));
+		return;
+	}
+
+	/* atime */
+	ft.atime = timespec_current();
+	/* mtime */
+	ft.mtime = touch_mtime ? ft.atime : smb_fname_tmp->st.st_ex_mtime;
+
+	become_root();
+	ret = SMB_VFS_NEXT_FNTIMES(handle, smb_fname_tmp->fsp, &ft);
+	err = errno;
+	unbecome_root();
+	if (ret == -1 ) {
+		DEBUG(0, ("recycle: touching %s failed, reason = %s\n",
+			  smb_fname_str_dbg(smb_fname_tmp), strerror(err)));
+	}
+
+	TALLOC_FREE(smb_fname_tmp);
+}
+
+/**
+ * Check if file should be recycled
+ **/
+static int recycle_unlink_internal(vfs_handle_struct *handle,
+				struct files_struct *dirfsp,
+				const struct smb_filename *smb_fname,
+				int flags)
+{
+	const struct loadparm_substitution *lp_sub =
+		loadparm_s3_global_substitution();
+	connection_struct *conn = handle->conn;
+	struct smb_filename *full_fname = NULL;
+	char *path_name = NULL;
+       	char *temp_name = NULL;
+	char *final_name = NULL;
+	struct smb_filename *smb_fname_final = NULL;
+	const char *base;
+	char *repository = NULL;
+	int i = 1;
+	off_t file_size; /* space_avail;	*/
+	bool exist;
+	int rc = -1;
+	struct recycle_config_data *config;
+
+	SMB_VFS_HANDLE_GET_DATA(handle,
+				config,
+				struct recycle_config_data,
+				return true);
+
+	repository = talloc_sub_full(
+		NULL,
+		lp_servicename(talloc_tos(), lp_sub, SNUM(conn)),
+		conn->session_info->unix_info->unix_name,
+		conn->connectpath,
+		conn->session_info->unix_token->gid,
+		conn->session_info->unix_info->sanitized_username,
+		conn->session_info->info->domain_name,
+		config->repository);
+	ALLOC_CHECK(repository, done);
+	/* shouldn't we allow absolute path names here? --metze */
+	/* Yes :-). JRA. */
+	trim_char(repository, '\0', '/');
+
+	if(!repository || *(repository) == '\0') {
+		DEBUG(3, ("recycle: repository path not set, purging %s...\n",
+			  smb_fname_str_dbg(smb_fname)));
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+		goto done;
+	}
+
+	full_fname = full_path_from_dirfsp_atname(talloc_tos(),
+						  dirfsp,
+						  smb_fname);
+	if (full_fname == NULL) {
+		return -1;
+	}
+
+	/* we don't recycle the recycle bin... */
+	if (strncmp(full_fname->base_name, repository,
+		    strlen(repository)) == 0) {
+		DEBUG(3, ("recycle: File is within recycling bin, unlinking ...\n"));
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+		goto done;
+	}
+
+	file_size = recycle_get_file_size(handle, full_fname);
+	/* it is wrong to purge filenames only because they are empty imho
+	 *   --- simo
+	 *
+	if(fsize == 0) {
+		DEBUG(3, ("recycle: File %s is empty, purging...\n", file_name));
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					file_name,
+					flags);
+		goto done;
+	}
+	 */
+
+	/* FIXME: this is wrong, we should check the whole size of the recycle bin is
+	 * not greater then maxsize, not the size of the single file, also it is better
+	 * to remove older files
+	 */
+	if (config->maxsize > 0 && file_size > config->maxsize) {
+		DBG_NOTICE("File %s exceeds maximum recycle size, "
+			   "purging... \n",
+			   smb_fname_str_dbg(full_fname));
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+		goto done;
+	}
+	if (config->minsize > 0 && file_size < config->minsize) {
+		DBG_NOTICE("File %s lowers minimum recycle size, "
+			   "purging... \n",
+			   smb_fname_str_dbg(full_fname));
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+		goto done;
+	}
+
+	/* FIXME: this is wrong: moving files with rename does not change the disk space
+	 * allocation
+	 *
+	space_avail = SMB_VFS_NEXT_DISK_FREE(handle, ".", True, &bsize, &dfree, &dsize) * 1024L;
+	DEBUG(5, ("space_avail = %Lu, file_size = %Lu\n", space_avail, file_size));
+	if(space_avail < file_size) {
+		DEBUG(3, ("recycle: Not enough diskspace, purging file %s\n", file_name));
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					file_name,
+					flags);
+		goto done;
+	}
+	 */
+
+	/* extract filename and path */
+	if (!parent_dirname(talloc_tos(), full_fname->base_name, &path_name, &base)) {
+		rc = -1;
+		errno = ENOMEM;
+		goto done;
+	}
+
+	/* original filename with path */
+	DEBUG(10, ("recycle: fname = %s\n", smb_fname_str_dbg(full_fname)));
+	/* original path */
+	DEBUG(10, ("recycle: fpath = %s\n", path_name));
+	/* filename without path */
+	DEBUG(10, ("recycle: base = %s\n", base));
+
+	if (matchparam(config->exclude, base)) {
+		DEBUG(3, ("recycle: file %s is excluded \n", base));
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+		goto done;
+	}
+
+	if (matchdirparam(config->exclude_dir, path_name)) {
+		DEBUG(3, ("recycle: directory %s is excluded \n", path_name));
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+		goto done;
+	}
+
+	if (config->keeptree) {
+		if (asprintf(&temp_name, "%s/%s", repository, path_name) == -1) {
+			ALLOC_CHECK(temp_name, done);
+		}
+	} else {
+		temp_name = SMB_STRDUP(repository);
+	}
+	ALLOC_CHECK(temp_name, done);
+
+	exist = recycle_directory_exist(handle, temp_name);
+	if (exist) {
+		DEBUG(10, ("recycle: Directory already exists\n"));
+	} else {
+		DEBUG(10, ("recycle: Creating directory %s\n", temp_name));
+		if (recycle_create_dir(handle,
+				       temp_name,
+				       config->directory_mode,
+				       config->subdir_mode) == False)
+		{
+			DEBUG(3, ("recycle: Could not create directory, "
+				  "purging %s...\n",
+				  smb_fname_str_dbg(full_fname)));
+			rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+			goto done;
+		}
+	}
+
+	if (asprintf(&final_name, "%s/%s", temp_name, base) == -1) {
+		ALLOC_CHECK(final_name, done);
+	}
+
+	/* Create smb_fname with final base name and orig stream name. */
+	smb_fname_final = synthetic_smb_fname(talloc_tos(),
+					final_name,
+					full_fname->stream_name,
+					NULL,
+					full_fname->twrp,
+					full_fname->flags);
+	if (smb_fname_final == NULL) {
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+		goto done;
+	}
+
+	/* new filename with path */
+	DEBUG(10, ("recycle: recycled file name: %s\n",
+		   smb_fname_str_dbg(smb_fname_final)));
+
+	/* check if we should delete file from recycle bin */
+	if (recycle_file_exist(handle, smb_fname_final)) {
+		if (config->versions == False ||
+		    matchparam(config->noversions, base) == True) {
+			DEBUG(3, ("recycle: Removing old file %s from recycle "
+				  "bin\n", smb_fname_str_dbg(smb_fname_final)));
+			if (SMB_VFS_NEXT_UNLINKAT(handle,
+						dirfsp->conn->cwd_fsp,
+						smb_fname_final,
+						flags) != 0) {
+				DEBUG(1, ("recycle: Error deleting old file: %s\n", strerror(errno)));
+			}
+		}
+	}
+
+	/* rename file we move to recycle bin */
+	i = 1;
+	while (recycle_file_exist(handle, smb_fname_final)) {
+		SAFE_FREE(final_name);
+		if (asprintf(&final_name, "%s/Copy #%d of %s", temp_name, i++, base) == -1) {
+			ALLOC_CHECK(final_name, done);
+		}
+		TALLOC_FREE(smb_fname_final->base_name);
+		smb_fname_final->base_name = talloc_strdup(smb_fname_final,
+							   final_name);
+		if (smb_fname_final->base_name == NULL) {
+			rc = SMB_VFS_NEXT_UNLINKAT(handle,
+						dirfsp,
+						smb_fname,
+						flags);
+			goto done;
+		}
+	}
+
+	DEBUG(10, ("recycle: Moving %s to %s\n", smb_fname_str_dbg(full_fname),
+		smb_fname_str_dbg(smb_fname_final)));
+	rc = SMB_VFS_NEXT_RENAMEAT(handle,
+			dirfsp,
+			smb_fname,
+			handle->conn->cwd_fsp,
+			smb_fname_final);
+	if (rc != 0) {
+		DEBUG(3, ("recycle: Move error %d (%s), purging file %s "
+			  "(%s)\n", errno, strerror(errno),
+			  smb_fname_str_dbg(full_fname),
+			  smb_fname_str_dbg(smb_fname_final)));
+		rc = SMB_VFS_NEXT_UNLINKAT(handle,
+				dirfsp,
+				smb_fname,
+				flags);
+		goto done;
+	}
+
+	/* touch access date of moved file */
+	if (config->touch || config->touch_mtime)
+		recycle_do_touch(handle, smb_fname_final, config->touch_mtime);
+
+done:
+	TALLOC_FREE(path_name);
+	SAFE_FREE(temp_name);
+	SAFE_FREE(final_name);
+	TALLOC_FREE(full_fname);
+	TALLOC_FREE(smb_fname_final);
+	TALLOC_FREE(repository);
+	return rc;
+}
+
+static int recycle_unlinkat(vfs_handle_struct *handle,
+		struct files_struct *dirfsp,
+		const struct smb_filename *smb_fname,
+		int flags)
+{
+	int ret;
+
+	if (flags & AT_REMOVEDIR) {
+		ret = SMB_VFS_NEXT_UNLINKAT(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+	} else {
+		ret = recycle_unlink_internal(handle,
+					dirfsp,
+					smb_fname,
+					flags);
+	}
+	return ret;
+}
+
+static struct vfs_fn_pointers vfs_recycle_fns = {
+	.connect_fn = vfs_recycle_connect,
+	.unlinkat_fn = recycle_unlinkat,
+};
+
+static_decl_vfs;
+NTSTATUS vfs_recycle_init(TALLOC_CTX *ctx)
+{
+	NTSTATUS ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "recycle",
+					&vfs_recycle_fns);
+
+	if (!NT_STATUS_IS_OK(ret))
+		return ret;
+
+	vfs_recycle_debug_level = debug_add_class("recycle");
+	if (vfs_recycle_debug_level == -1) {
+		vfs_recycle_debug_level = DBGC_VFS;
+		DEBUG(0, ("vfs_recycle: Couldn't register custom debugging class!\n"));
+	} else {
+		DEBUG(10, ("vfs_recycle: Debug class number of 'recycle': %d\n", vfs_recycle_debug_level));
+	}
+
+	return ret;
+}