From: Junjiro Okajima <hooanon05@xxxxxxxxxxx> initial commit aufs module initialization and module-global Signed-off-by: Junjiro Okajima <hooanon05@xxxxxxxxxxx> --- fs/aufs/module.h | 78 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 78 insertions(+), 0 deletions(-) diff --git a/fs/aufs/module.h b/fs/aufs/module.h new file mode 100644 index 0000000..cccee38 --- /dev/null +++ b/fs/aufs/module.h @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2007-2008 Junjiro 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, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/* + * module initialization and module-global + * + * $Id: module.h,v 1.2 2008/04/21 01:33:00 sfjro Exp $ + */ + +#ifndef __AUFS_MODULE_H__ +#define __AUFS_MODULE_H__ + +#ifdef __KERNEL__ + +//#include <linux/slab.h> + +/* ---------------------------------------------------------------------- */ + +/* module parameters */ +extern short aufs_nwkq; +extern int sysaufs_brs; + +/* ---------------------------------------------------------------------- */ + +extern char au_esc_chars[]; +extern int au_dir_roflags; + +/* kmem cache */ +enum { + AuCache_DINFO, + AuCache_ICNTNR, + AuCache_FINFO, + AuCache_VDIR, + AuCache_DEHSTR, +#ifdef CONFIG_AUFS_HINOTIFY + AuCache_HINOTIFY, +#endif + AuCache_Last +}; + +extern struct kmem_cache *au_cachep[]; + +#define AuCacheArgs(type, sz) (type), (sz), 0, SLAB_RECLAIM_ACCOUNT, NULL +#define AuCacheX(type, extra) \ + kmem_cache_create(AuCacheArgs(#type, sizeof(struct type) + extra)) +#define AuCache(type) AuCacheX(type, 0) + +/* ---------------------------------------------------------------------- */ + +#define AuCacheFuncs(name, index) \ +static inline void *au_cache_alloc_##name(void) \ +{ return kmem_cache_alloc(au_cachep[index], GFP_KERNEL); } \ +static inline void au_cache_free_##name(void *p) \ +{ kmem_cache_free(au_cachep[index], p); } + +AuCacheFuncs(dinfo, AuCache_DINFO); +AuCacheFuncs(icntnr, AuCache_ICNTNR); +AuCacheFuncs(finfo, AuCache_FINFO); +AuCacheFuncs(vdir, AuCache_VDIR); +AuCacheFuncs(dehstr, AuCache_DEHSTR); + +#endif /* __KERNEL__ */ +#endif /* __AUFS_MODULE_H__ */ -- 1.4.4.4 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html