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Diffstat (limited to 'i/pc104/initrd/conf/busybox/e2fsprogs/old_e2fsprogs/ext2fs/ext2_ext_attr.h')
-rw-r--r--i/pc104/initrd/conf/busybox/e2fsprogs/old_e2fsprogs/ext2fs/ext2_ext_attr.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/e2fsprogs/old_e2fsprogs/ext2fs/ext2_ext_attr.h b/i/pc104/initrd/conf/busybox/e2fsprogs/old_e2fsprogs/ext2fs/ext2_ext_attr.h
new file mode 100644
index 0000000..cc91bb8
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/e2fsprogs/old_e2fsprogs/ext2fs/ext2_ext_attr.h
@@ -0,0 +1,53 @@
+/* vi: set sw=4 ts=4: */
+/*
+ File: linux/ext2_ext_attr.h
+
+ On-disk format of extended attributes for the ext2 filesystem.
+
+ (C) 2000 Andreas Gruenbacher, <a.gruenbacher@computer.org>
+*/
+
+/* Magic value in attribute blocks */
+#define EXT2_EXT_ATTR_MAGIC_v1 0xEA010000
+#define EXT2_EXT_ATTR_MAGIC 0xEA020000
+
+/* Maximum number of references to one attribute block */
+#define EXT2_EXT_ATTR_REFCOUNT_MAX 1024
+
+struct ext2_ext_attr_header {
+ __u32 h_magic; /* magic number for identification */
+ __u32 h_refcount; /* reference count */
+ __u32 h_blocks; /* number of disk blocks used */
+ __u32 h_hash; /* hash value of all attributes */
+ __u32 h_reserved[4]; /* zero right now */
+};
+
+struct ext2_ext_attr_entry {
+ __u8 e_name_len; /* length of name */
+ __u8 e_name_index; /* attribute name index */
+ __u16 e_value_offs; /* offset in disk block of value */
+ __u32 e_value_block; /* disk block attribute is stored on (n/i) */
+ __u32 e_value_size; /* size of attribute value */
+ __u32 e_hash; /* hash value of name and value */
+};
+
+#define EXT2_EXT_ATTR_PAD_BITS 2
+#define EXT2_EXT_ATTR_PAD (1<<EXT2_EXT_ATTR_PAD_BITS)
+#define EXT2_EXT_ATTR_ROUND (EXT2_EXT_ATTR_PAD-1)
+#define EXT2_EXT_ATTR_LEN(name_len) \
+ (((name_len) + EXT2_EXT_ATTR_ROUND + \
+ sizeof(struct ext2_ext_attr_entry)) & ~EXT2_EXT_ATTR_ROUND)
+#define EXT2_EXT_ATTR_NEXT(entry) \
+ ( (struct ext2_ext_attr_entry *)( \
+ (char *)(entry) + EXT2_EXT_ATTR_LEN((entry)->e_name_len)) )
+#define EXT2_EXT_ATTR_SIZE(size) \
+ (((size) + EXT2_EXT_ATTR_ROUND) & ~EXT2_EXT_ATTR_ROUND)
+#define EXT2_EXT_IS_LAST_ENTRY(entry) (*((__u32 *)(entry)) == 0UL)
+#define EXT2_EXT_ATTR_NAME(entry) \
+ (((char *) (entry)) + sizeof(struct ext2_ext_attr_entry))
+#define EXT2_XATTR_LEN(name_len) \
+ (((name_len) + EXT2_EXT_ATTR_ROUND + \
+ sizeof(struct ext2_xattr_entry)) & ~EXT2_EXT_ATTR_ROUND)
+#define EXT2_XATTR_SIZE(size) \
+ (((size) + EXT2_EXT_ATTR_ROUND) & ~EXT2_EXT_ATTR_ROUND)
+