Merge pull request #577 from trapexit/modules

remove libfuse modules

libfuse/lib/Makefile.am

@@ -12,12 +12,6 @@ else
 mount_source = mount.c mount_util.c mount_util.h
 endif
 
-if ICONV
-iconv_source = modules/iconv.c
-else
-iconv_source =
-endif
-
 libfuse_la_SOURCES = 		\
 	fuse.c			\
 	fuse_i.h		\
@@ -32,9 +26,7 @@ libfuse_la_SOURCES = 		\
 	fuse_signals.c		\
 	buffer.c		\
 	cuse_lowlevel.c		\
-	helper.c		\
+	helper.c                \
-	modules/subdir.c	\
-	$(iconv_source)		\
 	$(mount_source)
 
 libfuse_la_LDFLAGS = -pthread @libfuse_libs@ -version-number 2:9:7 \

libfuse/lib/fuse.c

@@ -75,13 +75,11 @@ struct fuse_config {
 	int intr;
 	int intr_signal;
 	int help;
-	char *modules;
         int threads;
 };
 
 struct fuse_fs {
 	struct fuse_operations op;
-	struct fuse_module *m;
 	void *user_data;
 	int compat;
 	int debug;
@@ -222,104 +220,6 @@ struct fuse_context_i {
 static pthread_key_t fuse_context_key;
 static pthread_mutex_t fuse_context_lock = PTHREAD_MUTEX_INITIALIZER;
 static int fuse_context_ref;
-static struct fusemod_so *fuse_current_so;
-static struct fuse_module *fuse_modules;
-
-static int fuse_load_so_name(const char *soname)
-{
-	struct fusemod_so *so;
-
-	so = calloc(1, sizeof(struct fusemod_so));
-	if (!so) {
-		fprintf(stderr, "fuse: memory allocation failed\n");
-		return -1;
-	}
-
-	fuse_current_so = so;
-	so->handle = dlopen(soname, RTLD_NOW);
-	fuse_current_so = NULL;
-	if (!so->handle) {
-		fprintf(stderr, "fuse: %s\n", dlerror());
-		goto err;
-	}
-	if (!so->ctr) {
-		fprintf(stderr, "fuse: %s did not register any modules\n",
-			soname);
-		goto err;
-	}
-	return 0;
-
-err:
-	if (so->handle)
-		dlclose(so->handle);
-	free(so);
-	return -1;
-}
-
-static int fuse_load_so_module(const char *module)
-{
-	int res;
-	char *soname = malloc(strlen(module) + 64);
-	if (!soname) {
-		fprintf(stderr, "fuse: memory allocation failed\n");
-		return -1;
-	}
-	sprintf(soname, "libfusemod_%s.so", module);
-	res = fuse_load_so_name(soname);
-	free(soname);
-	return res;
-}
-
-static struct fuse_module *fuse_find_module(const char *module)
-{
-	struct fuse_module *m;
-	for (m = fuse_modules; m; m = m->next) {
-		if (strcmp(module, m->name) == 0) {
-			m->ctr++;
-			break;
-		}
-	}
-	return m;
-}
-
-static struct fuse_module *fuse_get_module(const char *module)
-{
-	struct fuse_module *m;
-
-	pthread_mutex_lock(&fuse_context_lock);
-	m = fuse_find_module(module);
-	if (!m) {
-		int err = fuse_load_so_module(module);
-		if (!err)
-			m = fuse_find_module(module);
-	}
-	pthread_mutex_unlock(&fuse_context_lock);
-	return m;
-}
-
-static void fuse_put_module(struct fuse_module *m)
-{
-	pthread_mutex_lock(&fuse_context_lock);
-	assert(m->ctr > 0);
-	m->ctr--;
-	if (!m->ctr && m->so) {
-		struct fusemod_so *so = m->so;
-		assert(so->ctr > 0);
-		so->ctr--;
-		if (!so->ctr) {
-			struct fuse_module **mp;
-			for (mp = &fuse_modules; *mp;) {
-				if ((*mp)->so == so)
-					*mp = (*mp)->next;
-				else
-					mp = &(*mp)->next;
-			}
-			dlclose(so->handle);
-			free(so);
-		}
-	}
-	pthread_mutex_unlock(&fuse_context_lock);
-}
 
 static void init_list_head(struct list_head *list)
 {
@@ -2612,8 +2512,6 @@ void fuse_fs_destroy(struct fuse_fs *fs)
 	fuse_get_context()->private_data = fs->user_data;
 	if (fs->op.destroy)
 		fs->op.destroy(fs->user_data);
-	if (fs->m)
-		fuse_put_module(fs->m);
 	free(fs);
 }
 
@@ -4399,7 +4297,6 @@ static const struct fuse_opt fuse_lib_opts[] = {
 	FUSE_LIB_OPT("nopath",                nopath, 1),
 	FUSE_LIB_OPT("intr",		      intr, 1),
 	FUSE_LIB_OPT("intr_signal=%d",	      intr_signal, 0),
-	FUSE_LIB_OPT("modules=%s",	      modules, 0),
         FUSE_LIB_OPT("threads=%d",            threads, 0),
 	FUSE_OPT_END
 };
@@ -4424,33 +4321,12 @@ static void fuse_lib_help(void)
 "    -o nopath              don't supply path if not necessary\n"
 "    -o intr                allow requests to be interrupted\n"
 "    -o intr_signal=NUM     signal to send on interrupt (%i)\n"
-"    -o modules=M1[:M2...]  names of modules to push onto filesystem stack\n"
 "    -o threads=NUM         number of worker threads. 0 = autodetect.\n"
 "                           Negative values autodetect then divide by\n"
 "                           absolute value. default = 0\n"
 "\n", FUSE_DEFAULT_INTR_SIGNAL);
 }
 
-static void fuse_lib_help_modules(void)
-{
-	struct fuse_module *m;
-	fprintf(stderr, "\nModule options:\n");
-	pthread_mutex_lock(&fuse_context_lock);
-	for (m = fuse_modules; m; m = m->next) {
-		struct fuse_fs *fs = NULL;
-		struct fuse_fs *newfs;
-		struct fuse_args args = FUSE_ARGS_INIT(0, NULL);
-		if (fuse_opt_add_arg(&args, "") != -1 &&
-		    fuse_opt_add_arg(&args, "-h") != -1) {
-			fprintf(stderr, "\n[%s]\n", m->name);
-			newfs = m->factory(&args, &fs);
-			assert(newfs == NULL);
-		}
-		fuse_opt_free_args(&args);
-	}
-	pthread_mutex_unlock(&fuse_context_lock);
-}
-
 static int fuse_lib_opt_proc(void *data, const char *arg, int key,
 			     struct fuse_args *outargs)
 {
@@ -4506,29 +4382,6 @@ static void fuse_restore_intr_signal(int signum)
 }
 
 
-static int fuse_push_module(struct fuse *f, const char *module,
-			    struct fuse_args *args)
-{
-	struct fuse_fs *fs[2] = { f->fs, NULL };
-	struct fuse_fs *newfs;
-	struct fuse_module *m = fuse_get_module(module);
-
-	if (!m)
-		return -1;
-
-	newfs = m->factory(args, fs);
-	if (!newfs) {
-		fuse_put_module(m);
-		return -1;
-	}
-	newfs->m = m;
-	f->fs = newfs;
-	f->nullpath_ok = newfs->op.flag_nullpath_ok && f->nullpath_ok;
-	f->conf.nopath = newfs->op.flag_nopath && f->conf.nopath;
-	f->utime_omit_ok = newfs->op.flag_utime_omit_ok && f->utime_omit_ok;
-	return 0;
-}
-
 struct fuse_fs *fuse_fs_new(const struct fuse_operations *op, size_t op_size,
 			    void *user_data)
 {
@@ -4643,21 +4496,6 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args,
 			   fuse_lib_opt_proc) == -1)
 		goto out_free_fs;
 
-	if (f->conf.modules) {
-		char *module;
-		char *next;
-
-		for (module = f->conf.modules; module; module = next) {
-			char *p;
-			for (p = module; *p && *p != ':'; p++);
-			next = *p ? p + 1 : NULL;
-			*p = '\0';
-			if (module[0] &&
-			    fuse_push_module(f, module, args) == -1)
-				goto out_free_fs;
-		}
-	}
-
 	if (!f->conf.ac_attr_timeout_set)
 		f->conf.ac_attr_timeout = f->conf.attr_timeout;
 
@@ -4676,8 +4514,6 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args,
 
 	f->se = fuse_lowlevel_new_common(args, &llop, sizeof(llop), f);
 	if (f->se == NULL) {
-		if (f->conf.help)
-			fuse_lib_help_modules();
 		goto out_free_fs;
 	}
 
@@ -4739,7 +4575,6 @@ out_free_fs:
 	   called on the filesystem without init being called first */
 	fs->op.destroy = NULL;
 	fuse_fs_destroy(f->fs);
-	free(f->conf.modules);
 out_free:
 	free(f);
 out_delete_context_key:
@@ -4800,7 +4635,6 @@ void fuse_destroy(struct fuse *f)
 	free(f->name_table.array);
 	pthread_mutex_destroy(&f->lock);
 	fuse_session_destroy(f->se);
-	free(f->conf.modules);
 	free(f);
 	fuse_delete_context_key();
 }
@@ -4818,18 +4652,6 @@ static struct fuse *fuse_new_common_compat25(int fd, struct fuse_args *args,
 	return f;
 }
 
-/* called with fuse_context_lock held or during initialization (before
-   main() has been called) */
-void fuse_register_module(struct fuse_module *mod)
-{
-	mod->ctr = 0;
-	mod->so = fuse_current_so;
-	if (mod->so)
-		mod->so->ctr++;
-	mod->next = fuse_modules;
-	fuse_modules = mod;
-}
-
 #if !defined(__FreeBSD__) && !defined(__NetBSD__)
 
 static struct fuse *fuse_new_common_compat(int fd, const char *opts,

libfuse/lib/modules/iconv.c

@@ -1,739 +0,0 @@
-/*
-  fuse iconv module: file name charset conversion
-  Copyright (C) 2007  Miklos Szeredi <miklos@szeredi.hu>
-
-  This program can be distributed under the terms of the GNU LGPLv2.
-  See the file COPYING.LIB
-*/
-
-#define FUSE_USE_VERSION 26
-
-#include <fuse.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <string.h>
-#include <errno.h>
-#include <iconv.h>
-#include <pthread.h>
-#include <locale.h>
-#include <langinfo.h>
-
-struct iconv {
-	struct fuse_fs *next;
-	pthread_mutex_t lock;
-	char *from_code;
-	char *to_code;
-	iconv_t tofs;
-	iconv_t fromfs;
-};
-
-struct iconv_dh {
-	struct iconv *ic;
-	void *prev_buf;
-	fuse_fill_dir_t prev_filler;
-};
-
-static struct iconv *iconv_get(void)
-{
-	return fuse_get_context()->private_data;
-}
-
-static int iconv_convpath(struct iconv *ic, const char *path, char **newpathp,
-			  int fromfs)
-{
-	size_t pathlen;
-	size_t newpathlen;
-	char *newpath;
-	size_t plen;
-	char *p;
-	size_t res;
-	int err;
-
-	if (path == NULL) {
-		*newpathp = NULL;
-		return 0;
-	}
-
-	pathlen = strlen(path);
-	newpathlen = pathlen * 4;
-	newpath = malloc(newpathlen + 1);
-	if (!newpath)
-		return -ENOMEM;
-
-	plen = newpathlen;
-	p = newpath;
-	pthread_mutex_lock(&ic->lock);
-	do {
-		res = iconv(fromfs ? ic->fromfs : ic->tofs, (char **) &path,
-			    &pathlen, &p, &plen);
-		if (res == (size_t) -1) {
-			char *tmp;
-			size_t inc;
-
-			err = -EILSEQ;
-			if (errno != E2BIG)
-				goto err;
-
-			inc = (pathlen + 1) * 4;
-			newpathlen += inc;
-			tmp = realloc(newpath, newpathlen + 1);
-			err = -ENOMEM;
-			if (!tmp)
-				goto err;
-
-			p = tmp + (p - newpath);
-			plen += inc;
-			newpath = tmp;
-		}
-	} while (res == (size_t) -1);
-	pthread_mutex_unlock(&ic->lock);
-	*p = '\0';
-	*newpathp = newpath;
-	return 0;
-
-err:
-	iconv(fromfs ? ic->fromfs : ic->tofs, NULL, NULL, NULL, NULL);
-	pthread_mutex_unlock(&ic->lock);
-	free(newpath);
-	return err;
-}
-
-static int iconv_getattr(const char *path, struct stat *stbuf)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_getattr(ic->next, newpath, stbuf);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_fgetattr(const char *path, struct stat *stbuf,
-			  struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_fgetattr(ic->next, newpath, stbuf, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_access(const char *path, int mask)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_access(ic->next, newpath, mask);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_readlink(const char *path, char *buf, size_t size)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_readlink(ic->next, newpath, buf, size);
-		if (!err) {
-			char *newlink;
-			err = iconv_convpath(ic, buf, &newlink, 1);
-			if (!err) {
-				strncpy(buf, newlink, size - 1);
-				buf[size - 1] = '\0';
-				free(newlink);
-			}
-		}
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_opendir(const char *path, struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_opendir(ic->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_dir_fill(void *buf, const char *name,
-			  const struct stat *stbuf, off_t off)
-{
-	struct iconv_dh *dh = buf;
-	char *newname;
-	int res = 0;
-	if (iconv_convpath(dh->ic, name, &newname, 1) == 0) {
-		res = dh->prev_filler(dh->prev_buf, newname, stbuf, off);
-		free(newname);
-	}
-	return res;
-}
-
-static int iconv_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
-			 off_t offset, struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		struct iconv_dh dh;
-		dh.ic = ic;
-		dh.prev_buf = buf;
-		dh.prev_filler = filler;
-		err = fuse_fs_readdir(ic->next, newpath, &dh, iconv_dir_fill,
-				      offset, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_releasedir(const char *path, struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_releasedir(ic->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_mknod(const char *path, mode_t mode, dev_t rdev)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_mknod(ic->next, newpath, mode, rdev);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_mkdir(const char *path, mode_t mode)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_mkdir(ic->next, newpath, mode);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_unlink(const char *path)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_unlink(ic->next, newpath);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_rmdir(const char *path)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_rmdir(ic->next, newpath);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_symlink(const char *from, const char *to)
-{
-	struct iconv *ic = iconv_get();
-	char *newfrom;
-	char *newto;
-	int err = iconv_convpath(ic, from, &newfrom, 0);
-	if (!err) {
-		err = iconv_convpath(ic, to, &newto, 0);
-		if (!err) {
-			err = fuse_fs_symlink(ic->next, newfrom, newto);
-			free(newto);
-		}
-		free(newfrom);
-	}
-	return err;
-}
-
-static int iconv_rename(const char *from, const char *to)
-{
-	struct iconv *ic = iconv_get();
-	char *newfrom;
-	char *newto;
-	int err = iconv_convpath(ic, from, &newfrom, 0);
-	if (!err) {
-		err = iconv_convpath(ic, to, &newto, 0);
-		if (!err) {
-			err = fuse_fs_rename(ic->next, newfrom, newto);
-			free(newto);
-		}
-		free(newfrom);
-	}
-	return err;
-}
-
-static int iconv_link(const char *from, const char *to)
-{
-	struct iconv *ic = iconv_get();
-	char *newfrom;
-	char *newto;
-	int err = iconv_convpath(ic, from, &newfrom, 0);
-	if (!err) {
-		err = iconv_convpath(ic, to, &newto, 0);
-		if (!err) {
-			err = fuse_fs_link(ic->next, newfrom, newto);
-			free(newto);
-		}
-		free(newfrom);
-	}
-	return err;
-}
-
-static int iconv_chmod(const char *path, mode_t mode)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_chmod(ic->next, newpath, mode);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_chown(const char *path, uid_t uid, gid_t gid)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_chown(ic->next, newpath, uid, gid);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_truncate(const char *path, off_t size)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_truncate(ic->next, newpath, size);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_ftruncate(const char *path, off_t size,
-			   struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_ftruncate(ic->next, newpath, size, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_utimens(const char *path, const struct timespec ts[2])
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_utimens(ic->next, newpath, ts);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_create(const char *path, mode_t mode,
-			struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_create(ic->next, newpath, mode, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_open_file(const char *path, struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_open(ic->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_read_buf(const char *path, struct fuse_bufvec **bufp,
-			  size_t size, off_t offset, struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_read_buf(ic->next, newpath, bufp, size, offset, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_write_buf(const char *path, struct fuse_bufvec *buf,
-			   off_t offset, struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_write_buf(ic->next, newpath, buf, offset, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_statfs(const char *path, struct statvfs *stbuf)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_statfs(ic->next, newpath, stbuf);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_flush(const char *path, struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_flush(ic->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_release(const char *path, struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_release(ic->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_fsync(const char *path, int isdatasync,
-		       struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_fsync(ic->next, newpath, isdatasync, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_fsyncdir(const char *path, int isdatasync,
-			  struct fuse_file_info *fi)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_fsyncdir(ic->next, newpath, isdatasync, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_setxattr(const char *path, const char *name,
-			  const char *value, size_t size, int flags)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_setxattr(ic->next, newpath, name, value, size,
-				       flags);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_getxattr(const char *path, const char *name, char *value,
-			  size_t size)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_getxattr(ic->next, newpath, name, value, size);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_listxattr(const char *path, char *list, size_t size)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_listxattr(ic->next, newpath, list, size);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_removexattr(const char *path, const char *name)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_removexattr(ic->next, newpath, name);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_lock(const char *path, struct fuse_file_info *fi, int cmd,
-		      struct flock *lock)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_lock(ic->next, newpath, fi, cmd, lock);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_flock(const char *path, struct fuse_file_info *fi, int op)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_flock(ic->next, newpath, fi, op);
-		free(newpath);
-	}
-	return err;
-}
-
-static int iconv_bmap(const char *path, size_t blocksize, uint64_t *idx)
-{
-	struct iconv *ic = iconv_get();
-	char *newpath;
-	int err = iconv_convpath(ic, path, &newpath, 0);
-	if (!err) {
-		err = fuse_fs_bmap(ic->next, newpath, blocksize, idx);
-		free(newpath);
-	}
-	return err;
-}
-
-static void *iconv_init(struct fuse_conn_info *conn)
-{
-	struct iconv *ic = iconv_get();
-	fuse_fs_init(ic->next, conn);
-	return ic;
-}
-
-static void iconv_destroy(void *data)
-{
-	struct iconv *ic = data;
-	fuse_fs_destroy(ic->next);
-	iconv_close(ic->tofs);
-	iconv_close(ic->fromfs);
-	pthread_mutex_destroy(&ic->lock);
-	free(ic->from_code);
-	free(ic->to_code);
-	free(ic);
-}
-
-static const struct fuse_operations iconv_oper = {
-	.destroy	= iconv_destroy,
-	.init		= iconv_init,
-	.getattr	= iconv_getattr,
-	.fgetattr	= iconv_fgetattr,
-	.access		= iconv_access,
-	.readlink	= iconv_readlink,
-	.opendir	= iconv_opendir,
-	.readdir	= iconv_readdir,
-	.releasedir	= iconv_releasedir,
-	.mknod		= iconv_mknod,
-	.mkdir		= iconv_mkdir,
-	.symlink	= iconv_symlink,
-	.unlink		= iconv_unlink,
-	.rmdir		= iconv_rmdir,
-	.rename		= iconv_rename,
-	.link		= iconv_link,
-	.chmod		= iconv_chmod,
-	.chown		= iconv_chown,
-	.truncate	= iconv_truncate,
-	.ftruncate	= iconv_ftruncate,
-	.utimens	= iconv_utimens,
-	.create		= iconv_create,
-	.open		= iconv_open_file,
-	.read_buf	= iconv_read_buf,
-	.write_buf	= iconv_write_buf,
-	.statfs		= iconv_statfs,
-	.flush		= iconv_flush,
-	.release	= iconv_release,
-	.fsync		= iconv_fsync,
-	.fsyncdir	= iconv_fsyncdir,
-	.setxattr	= iconv_setxattr,
-	.getxattr	= iconv_getxattr,
-	.listxattr	= iconv_listxattr,
-	.removexattr	= iconv_removexattr,
-	.lock		= iconv_lock,
-	.flock		= iconv_flock,
-	.bmap		= iconv_bmap,
-
-	.flag_nullpath_ok = 1,
-	.flag_nopath = 1,
-};
-
-static const struct fuse_opt iconv_opts[] = {
-	FUSE_OPT_KEY("-h", 0),
-	FUSE_OPT_KEY("--help", 0),
-	{ "from_code=%s", offsetof(struct iconv, from_code), 0 },
-	{ "to_code=%s", offsetof(struct iconv, to_code), 1 },
-	FUSE_OPT_END
-};
-
-static void iconv_help(void)
-{
-	char *old = strdup(setlocale(LC_CTYPE, ""));
-	char *charmap = strdup(nl_langinfo(CODESET));
-	setlocale(LC_CTYPE, old);
-	free(old);
-	fprintf(stderr,
-"    -o from_code=CHARSET   original encoding of file names (default: UTF-8)\n"
-"    -o to_code=CHARSET	    new encoding of the file names (default: %s)\n",
-		charmap);
-	free(charmap);
-}
-
-static int iconv_opt_proc(void *data, const char *arg, int key,
-			  struct fuse_args *outargs)
-{
-	(void) data; (void) arg; (void) outargs;
-
-	if (!key) {
-		iconv_help();
-		return -1;
-	}
-
-	return 1;
-}
-
-static struct fuse_fs *iconv_new(struct fuse_args *args,
-				 struct fuse_fs *next[])
-{
-	struct fuse_fs *fs;
-	struct iconv *ic;
-	char *old = NULL;
-	const char *from;
-	const char *to;
-
-	ic = calloc(1, sizeof(struct iconv));
-	if (ic == NULL) {
-		fprintf(stderr, "fuse-iconv: memory allocation failed\n");
-		return NULL;
-	}
-
-	if (fuse_opt_parse(args, ic, iconv_opts, iconv_opt_proc) == -1)
-		goto out_free;
-
-	if (!next[0] || next[1]) {
-		fprintf(stderr, "fuse-iconv: exactly one next filesystem required\n");
-		goto out_free;
-	}
-
-	from = ic->from_code ? ic->from_code : "UTF-8";
-	to = ic->to_code ? ic->to_code : "";
-	/* FIXME: detect charset equivalence? */
-	if (!to[0])
-		old = strdup(setlocale(LC_CTYPE, ""));
-	ic->tofs = iconv_open(from, to);
-	if (ic->tofs == (iconv_t) -1) {
-		fprintf(stderr, "fuse-iconv: cannot convert from %s to %s\n",
-			to, from);
-		goto out_free;
-	}
-	ic->fromfs = iconv_open(to, from);
-	if (ic->tofs == (iconv_t) -1) {
-		fprintf(stderr, "fuse-iconv: cannot convert from %s to %s\n",
-			from, to);
-		goto out_iconv_close_to;
-	}
-	if (old) {
-		setlocale(LC_CTYPE, old);
-		free(old);
-	}
-
-	ic->next = next[0];
-	fs = fuse_fs_new(&iconv_oper, sizeof(iconv_oper), ic);
-	if (!fs)
-		goto out_iconv_close_from;
-
-	return fs;
-
-out_iconv_close_from:
-	iconv_close(ic->fromfs);
-out_iconv_close_to:
-	iconv_close(ic->tofs);
-out_free:
-	free(ic->from_code);
-	free(ic->to_code);
-	free(ic);
-	if (old) {
-		setlocale(LC_CTYPE, old);
-		free(old);
-	}
-	return NULL;
-}
-
-FUSE_REGISTER_MODULE(iconv, iconv_new);

libfuse/lib/modules/subdir.c

@@ -1,697 +0,0 @@
-/*
-  fuse subdir module: offset paths with a base directory
-  Copyright (C) 2007  Miklos Szeredi <miklos@szeredi.hu>
-
-  This program can be distributed under the terms of the GNU LGPLv2.
-  See the file COPYING.LIB
-*/
-
-#define FUSE_USE_VERSION 26
-
-#include <fuse.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <string.h>
-#include <errno.h>
-
-struct subdir {
-	char *base;
-	size_t baselen;
-	int rellinks;
-	struct fuse_fs *next;
-};
-
-static struct subdir *subdir_get(void)
-{
-	return fuse_get_context()->private_data;
-}
-
-static int subdir_addpath(struct subdir *d, const char *path, char **newpathp)
-{
-	char *newpath = NULL;
-
-	if (path != NULL) {
-		unsigned newlen = d->baselen + strlen(path);
-
-		newpath = malloc(newlen + 2);
-		if (!newpath)
-			return -ENOMEM;
-
-		if (path[0] == '/')
-			path++;
-		strcpy(newpath, d->base);
-		strcpy(newpath + d->baselen, path);
-		if (!newpath[0])
-			strcpy(newpath, ".");
-	}
-	*newpathp = newpath;
-
-	return 0;
-}
-
-static int subdir_getattr(const char *path, struct stat *stbuf)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_getattr(d->next, newpath, stbuf);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_fgetattr(const char *path, struct stat *stbuf,
-			   struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_fgetattr(d->next, newpath, stbuf, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_access(const char *path, int mask)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_access(d->next, newpath, mask);
-		free(newpath);
-	}
-	return err;
-}
-
-
-static int count_components(const char *p)
-{
-	int ctr;
-
-	for (; *p == '/'; p++);
-	for (ctr = 0; *p; ctr++) {
-		for (; *p && *p != '/'; p++);
-		for (; *p == '/'; p++);
-	}
-	return ctr;
-}
-
-static void strip_common(const char **sp, const char **tp)
-{
-	const char *s = *sp;
-	const char *t = *tp;
-	do {
-		for (; *s == '/'; s++);
-		for (; *t == '/'; t++);
-		*tp = t;
-		*sp = s;
-		for (; *s == *t && *s && *s != '/'; s++, t++);
-	} while ((*s == *t && *s) || (!*s && *t == '/') || (*s == '/' && !*t));
-}
-
-static void transform_symlink(struct subdir *d, const char *path,
-			      char *buf, size_t size)
-{
-	const char *l = buf;
-	size_t llen;
-	char *s;
-	int dotdots;
-	int i;
-
-	if (l[0] != '/' || d->base[0] != '/')
-		return;
-
-	strip_common(&l, &path);
-	if (l - buf < (long) d->baselen)
-		return;
-
-	dotdots = count_components(path);
-	if (!dotdots)
-		return;
-	dotdots--;
-
-	llen = strlen(l);
-	if (dotdots * 3 + llen + 2 > size)
-		return;
-
-	s = buf + dotdots * 3;
-	if (llen)
-		memmove(s, l, llen + 1);
-	else if (!dotdots)
-		strcpy(s, ".");
-	else
-		*s = '\0';
-
-	for (s = buf, i = 0; i < dotdots; i++, s += 3)
-		memcpy(s, "../", 3);
-}
-
-
-static int subdir_readlink(const char *path, char *buf, size_t size)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_readlink(d->next, newpath, buf, size);
-		if (!err && d->rellinks)
-			transform_symlink(d, newpath, buf, size);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_opendir(const char *path, struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_opendir(d->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_readdir(const char *path, void *buf,
-			  fuse_fill_dir_t filler, off_t offset,
-			  struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_readdir(d->next, newpath, buf, filler, offset,
-				      fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_releasedir(const char *path, struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_releasedir(d->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_mknod(const char *path, mode_t mode, dev_t rdev)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_mknod(d->next, newpath, mode, rdev);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_mkdir(const char *path, mode_t mode)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_mkdir(d->next, newpath, mode);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_unlink(const char *path)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_unlink(d->next, newpath);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_rmdir(const char *path)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_rmdir(d->next, newpath);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_symlink(const char *from, const char *path)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_symlink(d->next, from, newpath);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_rename(const char *from, const char *to)
-{
-	struct subdir *d = subdir_get();
-	char *newfrom;
-	char *newto;
-	int err = subdir_addpath(d, from, &newfrom);
-	if (!err) {
-		err = subdir_addpath(d, to, &newto);
-		if (!err) {
-			err = fuse_fs_rename(d->next, newfrom, newto);
-			free(newto);
-		}
-		free(newfrom);
-	}
-	return err;
-}
-
-static int subdir_link(const char *from, const char *to)
-{
-	struct subdir *d = subdir_get();
-	char *newfrom;
-	char *newto;
-	int err = subdir_addpath(d, from, &newfrom);
-	if (!err) {
-		err = subdir_addpath(d, to, &newto);
-		if (!err) {
-			err = fuse_fs_link(d->next, newfrom, newto);
-			free(newto);
-		}
-		free(newfrom);
-	}
-	return err;
-}
-
-static int subdir_chmod(const char *path, mode_t mode)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_chmod(d->next, newpath, mode);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_chown(const char *path, uid_t uid, gid_t gid)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_chown(d->next, newpath, uid, gid);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_truncate(const char *path, off_t size)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_truncate(d->next, newpath, size);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_ftruncate(const char *path, off_t size,
-			    struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_ftruncate(d->next, newpath, size, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_utimens(const char *path, const struct timespec ts[2])
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_utimens(d->next, newpath, ts);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_create(const char *path, mode_t mode,
-			 struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_create(d->next, newpath, mode, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_open(const char *path, struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_open(d->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_read_buf(const char *path, struct fuse_bufvec **bufp,
-			   size_t size, off_t offset, struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_read_buf(d->next, newpath, bufp, size, offset, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_write_buf(const char *path, struct fuse_bufvec *buf,
-			off_t offset, struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_write_buf(d->next, newpath, buf, offset, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_statfs(const char *path, struct statvfs *stbuf)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_statfs(d->next, newpath, stbuf);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_flush(const char *path, struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_flush(d->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_release(const char *path, struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_release(d->next, newpath, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_fsync(const char *path, int isdatasync,
-			struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_fsync(d->next, newpath, isdatasync, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_fsyncdir(const char *path, int isdatasync,
-			   struct fuse_file_info *fi)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_fsyncdir(d->next, newpath, isdatasync, fi);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_setxattr(const char *path, const char *name,
-			   const char *value, size_t size, int flags)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_setxattr(d->next, newpath, name, value, size,
-				       flags);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_getxattr(const char *path, const char *name, char *value,
-			   size_t size)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_getxattr(d->next, newpath, name, value, size);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_listxattr(const char *path, char *list, size_t size)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_listxattr(d->next, newpath, list, size);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_removexattr(const char *path, const char *name)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_removexattr(d->next, newpath, name);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_lock(const char *path, struct fuse_file_info *fi, int cmd,
-		       struct flock *lock)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_lock(d->next, newpath, fi, cmd, lock);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_flock(const char *path, struct fuse_file_info *fi, int op)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_flock(d->next, newpath, fi, op);
-		free(newpath);
-	}
-	return err;
-}
-
-static int subdir_bmap(const char *path, size_t blocksize, uint64_t *idx)
-{
-	struct subdir *d = subdir_get();
-	char *newpath;
-	int err = subdir_addpath(d, path, &newpath);
-	if (!err) {
-		err = fuse_fs_bmap(d->next, newpath, blocksize, idx);
-		free(newpath);
-	}
-	return err;
-}
-
-static void *subdir_init(struct fuse_conn_info *conn)
-{
-	struct subdir *d = subdir_get();
-	fuse_fs_init(d->next, conn);
-	return d;
-}
-
-static void subdir_destroy(void *data)
-{
-	struct subdir *d = data;
-	fuse_fs_destroy(d->next);
-	free(d->base);
-	free(d);
-}
-
-static const struct fuse_operations subdir_oper = {
-	.destroy	= subdir_destroy,
-	.init		= subdir_init,
-	.getattr	= subdir_getattr,
-	.fgetattr	= subdir_fgetattr,
-	.access		= subdir_access,
-	.readlink	= subdir_readlink,
-	.opendir	= subdir_opendir,
-	.readdir	= subdir_readdir,
-	.releasedir	= subdir_releasedir,
-	.mknod		= subdir_mknod,
-	.mkdir		= subdir_mkdir,
-	.symlink	= subdir_symlink,
-	.unlink		= subdir_unlink,
-	.rmdir		= subdir_rmdir,
-	.rename		= subdir_rename,
-	.link		= subdir_link,
-	.chmod		= subdir_chmod,
-	.chown		= subdir_chown,
-	.truncate	= subdir_truncate,
-	.ftruncate	= subdir_ftruncate,
-	.utimens	= subdir_utimens,
-	.create		= subdir_create,
-	.open		= subdir_open,
-	.read_buf	= subdir_read_buf,
-	.write_buf	= subdir_write_buf,
-	.statfs		= subdir_statfs,
-	.flush		= subdir_flush,
-	.release	= subdir_release,
-	.fsync		= subdir_fsync,
-	.fsyncdir	= subdir_fsyncdir,
-	.setxattr	= subdir_setxattr,
-	.getxattr	= subdir_getxattr,
-	.listxattr	= subdir_listxattr,
-	.removexattr	= subdir_removexattr,
-	.lock		= subdir_lock,
-	.flock		= subdir_flock,
-	.bmap		= subdir_bmap,
-
-	.flag_nullpath_ok = 1,
-	.flag_nopath = 1,
-};
-
-static const struct fuse_opt subdir_opts[] = {
-	FUSE_OPT_KEY("-h", 0),
-	FUSE_OPT_KEY("--help", 0),
-	{ "subdir=%s", offsetof(struct subdir, base), 0 },
-	{ "rellinks", offsetof(struct subdir, rellinks), 1 },
-	{ "norellinks", offsetof(struct subdir, rellinks), 0 },
-	FUSE_OPT_END
-};
-
-static void subdir_help(void)
-{
-	fprintf(stderr,
-"    -o subdir=DIR	    prepend this directory to all paths (mandatory)\n"
-"    -o [no]rellinks	    transform absolute symlinks to relative\n");
-}
-
-static int subdir_opt_proc(void *data, const char *arg, int key,
-			   struct fuse_args *outargs)
-{
-	(void) data; (void) arg; (void) outargs;
-
-	if (!key) {
-		subdir_help();
-		return -1;
-	}
-
-	return 1;
-}
-
-static struct fuse_fs *subdir_new(struct fuse_args *args,
-				  struct fuse_fs *next[])
-{
-	struct fuse_fs *fs;
-	struct subdir *d;
-
-	d = calloc(1, sizeof(struct subdir));
-	if (d == NULL) {
-		fprintf(stderr, "fuse-subdir: memory allocation failed\n");
-		return NULL;
-	}
-
-	if (fuse_opt_parse(args, d, subdir_opts, subdir_opt_proc) == -1)
-		goto out_free;
-
-	if (!next[0] || next[1]) {
-		fprintf(stderr, "fuse-subdir: exactly one next filesystem required\n");
-		goto out_free;
-	}
-
-	if (!d->base) {
-		fprintf(stderr, "fuse-subdir: missing 'subdir' option\n");
-		goto out_free;
-	}
-
-	if (d->base[0] && d->base[strlen(d->base)-1] != '/') {
-		char *tmp = realloc(d->base, strlen(d->base) + 2);
-		if (!tmp) {
-			fprintf(stderr, "fuse-subdir: memory allocation failed\n");
-			goto out_free;
-		}
-		d->base = tmp;
-		strcat(d->base, "/");
-	}
-	d->baselen = strlen(d->base);
-	d->next = next[0];
-	fs = fuse_fs_new(&subdir_oper, sizeof(subdir_oper), d);
-	if (!fs)
-		goto out_free;
-	return fs;
-
-out_free:
-	free(d->base);
-	free(d);
-	return NULL;
-}
-
-FUSE_REGISTER_MODULE(subdir, subdir_new);