Commit 871b9b14 authored by Pali Rohár's avatar Pali Rohár Committed by Jan Kara
Browse files

udf: Move OSTA Identifier Suffix macros from ecma_167.h to osta_udf.h 

Rename structure name and its members to match naming convention and fix
endianity type for UDFRevision member. Also remove duplicate definition of
UDF_ID_COMPLIANT which is already in osta_udf.h.

Link: https://lore.kernel.org/r/20200107212904.30471-2-pali.rohar@gmail.com


Signed-off-by: default avatarPali Rohár <pali.rohar@gmail.com>
Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent 800552ce

fs/udf/ecma_167.h

+0 −14
Original line number Diff line number Diff line
@@ -88,20 +88,6 @@ struct regid { 
#define ENTITYID_FLAGS_DIRTY		0x00

#define ENTITYID_FLAGS_PROTECTED	0x01



/* OSTA UDF 2.1.5.2 */

#define UDF_ID_COMPLIANT "*OSTA UDF Compliant"



/* OSTA UDF 2.1.5.3 */

struct domainEntityIDSuffix {

	uint16_t	revision;

	uint8_t		flags;

	uint8_t		reserved[5];

};



/* OSTA UDF 2.1.5.3 */

#define ENTITYIDSUFFIX_FLAGS_HARDWRITEPROTECT 0

#define ENTITYIDSUFFIX_FLAGS_SOFTWRITEPROTECT 1



/* Volume Structure Descriptor (ECMA 167r3 2/9.1) */

#define VSD_STD_ID_LEN			5

struct volStructDesc {

fs/udf/osta_udf.h

+8 −2
Original line number Diff line number Diff line
@@ -62,8 +62,14 @@ 
#define UDF_ID_METADATA			"*UDF Metadata Partition"



/* Identifier Suffix (UDF 2.50 2.1.5.3) */

#define IS_DF_HARD_WRITE_PROTECT	0x01

#define IS_DF_SOFT_WRITE_PROTECT	0x02

#define DOMAIN_FLAGS_HARD_WRITE_PROTECT	0x01

#define DOMAIN_FLAGS_SOFT_WRITE_PROTECT	0x02



struct domainIdentSuffix {

	__le16		UDFRevision;

	uint8_t		domainFlags;

	uint8_t		reserved[5];

} __packed;



struct UDFIdentSuffix {

	__le16		UDFRevision;

fs/udf/super.c

+4 −4
Original line number Diff line number Diff line
@@ -767,7 +767,7 @@ static int udf_check_vsd(struct super_block *sb) 
static int udf_verify_domain_identifier(struct super_block *sb,

					struct regid *ident, char *dname)

{

	struct domainEntityIDSuffix *suffix;

	struct domainIdentSuffix *suffix;



	if (memcmp(ident->ident, UDF_ID_COMPLIANT, strlen(UDF_ID_COMPLIANT))) {

		udf_warn(sb, "Not OSTA UDF compliant %s descriptor.\n", dname);
@@ -778,9 +778,9 @@ static int udf_verify_domain_identifier(struct super_block *sb, 
			 dname);

		goto force_ro;

	}

	suffix = (struct domainEntityIDSuffix *)ident->identSuffix;

	if (suffix->flags & (1 << ENTITYIDSUFFIX_FLAGS_HARDWRITEPROTECT) ||

	    suffix->flags & (1 << ENTITYIDSUFFIX_FLAGS_SOFTWRITEPROTECT)) {

	suffix = (struct domainIdentSuffix *)ident->identSuffix;

	if ((suffix->domainFlags & DOMAIN_FLAGS_HARD_WRITE_PROTECT) ||

	    (suffix->domainFlags & DOMAIN_FLAGS_SOFT_WRITE_PROTECT)) {

		if (!sb_rdonly(sb)) {

			udf_warn(sb, "Descriptor for %s marked write protected."

				 " Forcing read only mount.\n", dname);

CRA Git | Maintained and supported by SUSTech CRA and CCSE