From dfd2390191d93787b71835afb415f2b812f8f463 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Sat, 6 May 2006 12:53:55 +0100 Subject: Add XATTR support to mkfs.jffs2 Since this is optional, it might as well go in immediately. --- include/mtd/jffs2-user.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) (limited to 'include/mtd') diff --git a/include/mtd/jffs2-user.h b/include/mtd/jffs2-user.h index d508ef0..8b53990 100644 --- a/include/mtd/jffs2-user.h +++ b/include/mtd/jffs2-user.h @@ -32,4 +32,51 @@ extern int target_endian; #define je32_to_cpu(x) (t32((x).v32)) #define jemode_to_cpu(x) (t32((x).m)) +#define le16_to_cpu(x) (__BYTE_ORDER==__LITTLE_ENDIAN ? (x) : bswap_16(x)) +#define le32_to_cpu(x) (__BYTE_ORDER==__LITTLE_ENDIAN ? (x) : bswap_32(x)) +#define cpu_to_le16(x) (__BYTE_ORDER==__LITTLE_ENDIAN ? (x) : bswap_16(x)) +#define cpu_to_le32(x) (__BYTE_ORDER==__LITTLE_ENDIAN ? (x) : bswap_32(x)) + +/* XATTR/POSIX-ACL related definition */ +/* Namespaces copied from xattr.h and posix_acl_xattr.h */ +#define XATTR_USER_PREFIX "user." +#define XATTR_USER_PREFIX_LEN (sizeof (XATTR_USER_PREFIX) - 1) +#define XATTR_SECURITY_PREFIX "security." +#define XATTR_SECURITY_PREFIX_LEN (sizeof (XATTR_SECURITY_PREFIX) - 1) +#define POSIX_ACL_XATTR_ACCESS "system.posix_acl_access" +#define POSIX_ACL_XATTR_ACCESS_LEN (sizeof (POSIX_ACL_XATTR_ACCESS) - 1) +#define POSIX_ACL_XATTR_DEFAULT "system.posix_acl_default" +#define POSIX_ACL_XATTR_DEFAULT_LEN (sizeof (POSIX_ACL_XATTR_DEFAULT) - 1) +#define XATTR_TRUSTED_PREFIX "trusted." +#define XATTR_TRUSTED_PREFIX_LEN (sizeof (XATTR_TRUSTED_PREFIX) - 1) + +typedef struct { + jint16_t e_tag; + jint16_t e_perm; + jint32_t e_id; +} jffs2_acl_entry; + +typedef struct { + jint16_t e_tag; + jint16_t e_perm; +} jffs2_acl_entry_short; + +typedef struct { + jint32_t a_version; +} jffs2_acl_header; + +/* copied from include/linux/posix_acl_xattr.h */ +#define POSIX_ACL_XATTR_VERSION 0x0002 + +typedef struct { + uint16_t e_tag; + uint16_t e_perm; + uint32_t e_id; +} posix_acl_xattr_entry; + +typedef struct { + uint32_t a_version; + posix_acl_xattr_entry a_entries[0]; +} posix_acl_xattr_header; + #endif /* __JFFS2_USER_H__ */ -- cgit v1.2.3