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-rw-r--r--fs/aufs/module.c210
1 files changed, 0 insertions, 210 deletions
diff --git a/fs/aufs/module.c b/fs/aufs/module.c
deleted file mode 100644
index 2c70dfffc..000000000
--- a/fs/aufs/module.c
+++ /dev/null
@@ -1,210 +0,0 @@
-/*
- * Copyright (C) 2005-2015 Junjiro R. Okajima
- *
- * This program, aufs 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 2 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/>.
- */
-
-/*
- * module global variables and operations
- */
-
-#include <linux/module.h>
-#include <linux/seq_file.h>
-#include "aufs.h"
-
-void *au_kzrealloc(void *p, unsigned int nused, unsigned int new_sz, gfp_t gfp)
-{
- if (new_sz <= nused)
- return p;
-
- p = krealloc(p, new_sz, gfp);
- if (p)
- memset(p + nused, 0, new_sz - nused);
- return p;
-}
-
-/* ---------------------------------------------------------------------- */
-
-/*
- * aufs caches
- */
-struct kmem_cache *au_cachep[AuCache_Last];
-static int __init au_cache_init(void)
-{
- au_cachep[AuCache_DINFO] = AuCacheCtor(au_dinfo, au_di_init_once);
- if (au_cachep[AuCache_DINFO])
- /* SLAB_DESTROY_BY_RCU */
- au_cachep[AuCache_ICNTNR] = AuCacheCtor(au_icntnr,
- au_icntnr_init_once);
- if (au_cachep[AuCache_ICNTNR])
- au_cachep[AuCache_FINFO] = AuCacheCtor(au_finfo,
- au_fi_init_once);
- if (au_cachep[AuCache_FINFO])
- au_cachep[AuCache_VDIR] = AuCache(au_vdir);
- if (au_cachep[AuCache_VDIR])
- au_cachep[AuCache_DEHSTR] = AuCache(au_vdir_dehstr);
- if (au_cachep[AuCache_DEHSTR])
- return 0;
-
- return -ENOMEM;
-}
-
-static void au_cache_fin(void)
-{
- int i;
-
- /*
- * Make sure all delayed rcu free inodes are flushed before we
- * destroy cache.
- */
- rcu_barrier();
-
- /* excluding AuCache_HNOTIFY */
- BUILD_BUG_ON(AuCache_HNOTIFY + 1 != AuCache_Last);
- for (i = 0; i < AuCache_HNOTIFY; i++)
- if (au_cachep[i]) {
- kmem_cache_destroy(au_cachep[i]);
- au_cachep[i] = NULL;
- }
-}
-
-/* ---------------------------------------------------------------------- */
-
-int au_dir_roflags;
-
-#ifdef CONFIG_AUFS_SBILIST
-/*
- * iterate_supers_type() doesn't protect us from
- * remounting (branch management)
- */
-struct au_splhead au_sbilist;
-#endif
-
-struct lock_class_key au_lc_key[AuLcKey_Last];
-
-/*
- * functions for module interface.
- */
-MODULE_LICENSE("GPL");
-/* MODULE_LICENSE("GPL v2"); */
-MODULE_AUTHOR("Junjiro R. Okajima <aufs-users@lists.sourceforge.net>");
-MODULE_DESCRIPTION(AUFS_NAME
- " -- Advanced multi layered unification filesystem");
-MODULE_VERSION(AUFS_VERSION);
-MODULE_ALIAS_FS(AUFS_NAME);
-
-/* this module parameter has no meaning when SYSFS is disabled */
-int sysaufs_brs = 1;
-MODULE_PARM_DESC(brs, "use <sysfs>/fs/aufs/si_*/brN");
-module_param_named(brs, sysaufs_brs, int, S_IRUGO);
-
-/* this module parameter has no meaning when USER_NS is disabled */
-static bool au_userns;
-MODULE_PARM_DESC(allow_userns, "allow unprivileged to mount under userns");
-module_param_named(allow_userns, au_userns, bool, S_IRUGO);
-
-/* ---------------------------------------------------------------------- */
-
-static char au_esc_chars[0x20 + 3]; /* 0x01-0x20, backslash, del, and NULL */
-
-int au_seq_path(struct seq_file *seq, struct path *path)
-{
- return seq_path(seq, path, au_esc_chars);
-}
-
-/* ---------------------------------------------------------------------- */
-
-static int __init aufs_init(void)
-{
- int err, i;
- char *p;
-
- p = au_esc_chars;
- for (i = 1; i <= ' '; i++)
- *p++ = i;
- *p++ = '\\';
- *p++ = '\x7f';
- *p = 0;
-
- au_dir_roflags = au_file_roflags(O_DIRECTORY | O_LARGEFILE);
-
- au_sbilist_init();
- sysaufs_brs_init();
- au_debug_init();
- au_dy_init();
- err = sysaufs_init();
- if (unlikely(err))
- goto out;
- err = au_procfs_init();
- if (unlikely(err))
- goto out_sysaufs;
- err = au_wkq_init();
- if (unlikely(err))
- goto out_procfs;
- err = au_loopback_init();
- if (unlikely(err))
- goto out_wkq;
- err = au_hnotify_init();
- if (unlikely(err))
- goto out_loopback;
- err = au_sysrq_init();
- if (unlikely(err))
- goto out_hin;
- err = au_cache_init();
- if (unlikely(err))
- goto out_sysrq;
-
- aufs_fs_type.fs_flags |= au_userns ? FS_USERNS_MOUNT : 0;
- err = register_filesystem(&aufs_fs_type);
- if (unlikely(err))
- goto out_cache;
-
- /* since we define pr_fmt, call printk directly */
- printk(KERN_INFO AUFS_NAME " " AUFS_VERSION "\n");
- goto out; /* success */
-
-out_cache:
- au_cache_fin();
-out_sysrq:
- au_sysrq_fin();
-out_hin:
- au_hnotify_fin();
-out_loopback:
- au_loopback_fin();
-out_wkq:
- au_wkq_fin();
-out_procfs:
- au_procfs_fin();
-out_sysaufs:
- sysaufs_fin();
- au_dy_fin();
-out:
- return err;
-}
-
-static void __exit aufs_exit(void)
-{
- unregister_filesystem(&aufs_fs_type);
- au_cache_fin();
- au_sysrq_fin();
- au_hnotify_fin();
- au_loopback_fin();
- au_wkq_fin();
- au_procfs_fin();
- sysaufs_fin();
- au_dy_fin();
-}
-
-module_init(aufs_init);
-module_exit(aufs_exit);