diff options
Diffstat (limited to 'fs/yaffs2/yaffs_attribs.h')
-rw-r--r-- | fs/yaffs2/yaffs_attribs.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/fs/yaffs2/yaffs_attribs.h b/fs/yaffs2/yaffs_attribs.h new file mode 100644 index 000000000000..121d99d38b48 --- /dev/null +++ b/fs/yaffs2/yaffs_attribs.h @@ -0,0 +1,71 @@ +/* + * YAFFS: Yet another Flash File System . A NAND-flash specific file system. + * + * Copyright (C) 2002-2011 Aleph One Ltd. + * for Toby Churchill Ltd and Brightstar Engineering + * + * Created by Charles Manning <charles@aleph1.co.uk> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 2.1 as + * published by the Free Software Foundation. + * + * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL. + */ + +#ifndef __YAFFS_ATTRIBS_H__ +#define __YAFFS_ATTRIBS_H__ + +#include "yaffs_guts.h" + +void yaffs_load_attribs(struct yaffs_obj *obj, struct yaffs_obj_hdr *oh); +void yaffs_load_attribs_oh(struct yaffs_obj_hdr *oh, struct yaffs_obj *obj); +void yaffs_attribs_init(struct yaffs_obj *obj, u32 gid, u32 uid, u32 rdev); +void yaffs_load_current_time(struct yaffs_obj *obj, int do_a, int do_c); +int yaffs_set_attribs(struct yaffs_obj *obj, struct iattr *attr); +int yaffs_get_attribs(struct yaffs_obj *obj, struct iattr *attr); + + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 5, 0)) +static inline uid_t ia_uid_read(const struct iattr *iattr) +{ + return from_kuid(&init_user_ns, iattr->ia_uid); +} + +static inline gid_t ia_gid_read(const struct iattr *iattr) +{ + return from_kgid(&init_user_ns, iattr->ia_gid); +} + +static inline void ia_uid_write(struct iattr *iattr, uid_t uid) +{ + iattr->ia_uid = make_kuid(&init_user_ns, uid); +} + +static inline void ia_gid_write(struct iattr *iattr, gid_t gid) +{ + iattr->ia_gid = make_kgid(&init_user_ns, gid); +} +#else +static inline uid_t ia_uid_read(const struct iattr *iattr) +{ + return iattr->ia_uid; +} + +static inline gid_t ia_gid_read(const struct iattr *inode) +{ + return iattr->ia_gid; +} + +static inline void ia_uid_write(struct iattr *iattr, uid_t uid) +{ + iattr->ia_uid = uid; +} + +static inline void ia_gid_write(struct iattr *iattr, gid_t gid) +{ + iattr->ia_gid = gid; +} +#endif + +#endif |