xattr.h File Reference

#include "f2fs.h"

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Classes
struct	f2fs_xattr_header
struct	f2fs_xattr_entry
struct	fscrypt_context_v1
struct	fscrypt_context_v2
union	fscrypt_context
struct	fsverity_descriptor_location
struct	f2fs_acl_entry
struct	f2fs_acl_entry_short
struct	f2fs_acl_header

Macros
#define	FSCRYPT_CONTEXT_V1   1
#define	FSCRYPT_CONTEXT_V2   2
#define	FSCRYPT_KEY_DESCRIPTOR_SIZE   8
#define	FSCRYPT_KEY_IDENTIFIER_SIZE   16
#define	FSCRYPT_FILE_NONCE_SIZE   16
#define	F2FS_XATTR_NAME_ENCRYPTION_CONTEXT   "c"
#define	F2FS_ACL_VERSION   0x0001
#define	XATTR_USER_PREFIX   "user."
#define	XATTR_SECURITY_PREFIX   "security."
#define	XATTR_TRUSTED_PREFIX   "trusted."
#define	XATTR_CREATE   0x1
#define	XATTR_REPLACE   0x2
#define	XATTR_ROUND   (3)
#define	XATTR_SELINUX_SUFFIX   "selinux"
#define	F2FS_XATTR_INDEX_USER   1
#define	F2FS_XATTR_INDEX_POSIX_ACL_ACCESS   2
#define	F2FS_XATTR_INDEX_POSIX_ACL_DEFAULT   3
#define	F2FS_XATTR_INDEX_TRUSTED   4
#define	F2FS_XATTR_INDEX_LUSTRE   5
#define	F2FS_XATTR_INDEX_SECURITY   6
#define	F2FS_XATTR_INDEX_ENCRYPTION   9
#define	F2FS_XATTR_INDEX_VERITY   11
#define	F2FS_XATTR_NAME_VERITY   "v"
#define	IS_XATTR_LAST_ENTRY(entry)   (*(__u32 *)(entry) == 0)
#define	XATTR_HDR(ptr)   ((struct f2fs_xattr_header *)(ptr))
#define	XATTR_ENTRY(ptr)   ((struct f2fs_xattr_entry *)(ptr))
#define	F2FS_XATTR_MAGIC   0xF2F52011
#define	XATTR_NEXT_ENTRY(entry)
#define	XATTR_FIRST_ENTRY(ptr)   (XATTR_ENTRY(XATTR_HDR(ptr) + 1))
#define	XATTR_ALIGN(size)   ((size + XATTR_ROUND) & ~XATTR_ROUND)
#define	ENTRY_SIZE(entry)
#define	list_for_each_xattr(entry, addr)
#define	VALID_XATTR_BLOCK_SIZE   (F2FS_BLKSIZE - sizeof(struct node_footer))
#define	XATTR_SIZE(i)
#define	MIN_OFFSET
#define	MAX_VALUE_LEN
#define	MAX_INLINE_XATTR_SIZE

Functions
static int	fscrypt_context_size (const union fscrypt_context *ctx)
static int	f2fs_acl_count (int size)

Macro Definition Documentation

ENTRY_SIZE

#define ENTRY_SIZE

(

entry

)

Value:

            (XATTR_ALIGN(sizeof(struct f2fs_xattr_entry) + \
            entry->e_name_len + le16_to_cpu(entry->e_value_size)))

F2FS_ACL_VERSION

#define F2FS_ACL_VERSION   0x0001

F2FS_XATTR_INDEX_ENCRYPTION

#define F2FS_XATTR_INDEX_ENCRYPTION   9

F2FS_XATTR_INDEX_LUSTRE

#define F2FS_XATTR_INDEX_LUSTRE   5

F2FS_XATTR_INDEX_POSIX_ACL_ACCESS

#define F2FS_XATTR_INDEX_POSIX_ACL_ACCESS   2

F2FS_XATTR_INDEX_POSIX_ACL_DEFAULT

#define F2FS_XATTR_INDEX_POSIX_ACL_DEFAULT   3

F2FS_XATTR_INDEX_SECURITY

#define F2FS_XATTR_INDEX_SECURITY   6

F2FS_XATTR_INDEX_TRUSTED

#define F2FS_XATTR_INDEX_TRUSTED   4

F2FS_XATTR_INDEX_USER

#define F2FS_XATTR_INDEX_USER   1

F2FS_XATTR_INDEX_VERITY

#define F2FS_XATTR_INDEX_VERITY   11

F2FS_XATTR_MAGIC

#define F2FS_XATTR_MAGIC   0xF2F52011

F2FS_XATTR_NAME_ENCRYPTION_CONTEXT

#define F2FS_XATTR_NAME_ENCRYPTION_CONTEXT   "c"

F2FS_XATTR_NAME_VERITY

#define F2FS_XATTR_NAME_VERITY   "v"

FSCRYPT_CONTEXT_V1

#define FSCRYPT_CONTEXT_V1   1

FSCRYPT_CONTEXT_V2

#define FSCRYPT_CONTEXT_V2   2

FSCRYPT_FILE_NONCE_SIZE

#define FSCRYPT_FILE_NONCE_SIZE   16

FSCRYPT_KEY_DESCRIPTOR_SIZE

#define FSCRYPT_KEY_DESCRIPTOR_SIZE   8

FSCRYPT_KEY_IDENTIFIER_SIZE

#define FSCRYPT_KEY_IDENTIFIER_SIZE   16

IS_XATTR_LAST_ENTRY

#define IS_XATTR_LAST_ENTRY

(

entry

)

(*(__u32 *)(entry) == 0)

list_for_each_xattr

#define list_for_each_xattr	(		entry,
			addr
	)

Value:

    for (entry = XATTR_FIRST_ENTRY(addr); \
            !IS_XATTR_LAST_ENTRY(entry); \
            entry = XATTR_NEXT_ENTRY(entry))

MAX_INLINE_XATTR_SIZE

#define MAX_INLINE_XATTR_SIZE

Value:

            (DEF_ADDRS_PER_INODE -              \
            F2FS_TOTAL_EXTRA_ATTR_SIZE / sizeof(__le32) -   \
            DEF_INLINE_RESERVED_SIZE -          \
            MIN_INLINE_DENTRY_SIZE / sizeof(__le32))

MAX_VALUE_LEN

#define MAX_VALUE_LEN

Value:

        (MIN_OFFSET -               \
        sizeof(struct f2fs_xattr_header) -      \
        sizeof(struct f2fs_xattr_entry))

MIN_OFFSET

#define MIN_OFFSET

Value:

        XATTR_ALIGN(F2FS_BLKSIZE -      \
        sizeof(struct node_footer) - sizeof(__u32))

VALID_XATTR_BLOCK_SIZE

#define VALID_XATTR_BLOCK_SIZE   (F2FS_BLKSIZE - sizeof(struct node_footer))

XATTR_ALIGN

#define XATTR_ALIGN

(

size

)

((size + XATTR_ROUND) & ~XATTR_ROUND)

XATTR_CREATE

#define XATTR_CREATE   0x1

XATTR_ENTRY

#define XATTR_ENTRY

(

ptr

)

((struct f2fs_xattr_entry *)(ptr))

XATTR_FIRST_ENTRY

#define XATTR_FIRST_ENTRY

(

ptr

)

(XATTR_ENTRY(XATTR_HDR(ptr) + 1))

XATTR_HDR

#define XATTR_HDR

(

ptr

)

((struct f2fs_xattr_header *)(ptr))

XATTR_NEXT_ENTRY

#define XATTR_NEXT_ENTRY

(

entry

)

Value:

                    ((struct f2fs_xattr_entry *) ((char *)(entry) +\
                    ENTRY_SIZE(entry)))

XATTR_REPLACE

#define XATTR_REPLACE   0x2

XATTR_ROUND

#define XATTR_ROUND   (3)

XATTR_SECURITY_PREFIX

#define XATTR_SECURITY_PREFIX   "security."

XATTR_SELINUX_SUFFIX

#define XATTR_SELINUX_SUFFIX   "selinux"

XATTR_SIZE

#define XATTR_SIZE

(

i

)

Value:

                    ((le32_to_cpu((i)->i_xattr_nid) ?   \
                    VALID_XATTR_BLOCK_SIZE : 0) +   \
                        (inline_xattr_size(i)))

XATTR_TRUSTED_PREFIX

#define XATTR_TRUSTED_PREFIX   "trusted."

XATTR_USER_PREFIX

#define XATTR_USER_PREFIX   "user."

Function Documentation

f2fs_acl_count()

static int f2fs_acl_count ( int  size )

inlinestatic

fscrypt_context_size()

static int fscrypt_context_size ( const union fscrypt_context *  ctx )

inlinestatic