blk_integrity_profile's are never modified, so mark them 'const' so that
they are placed in .rodata and benefit from memory protection.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
-static struct blk_integrity_profile nop_profile = {
+static const struct blk_integrity_profile nop_profile = {
.name = "nop",
.generate_fn = blk_integrity_nop_fn,
.verify_fn = blk_integrity_nop_fn,
.name = "nop",
.generate_fn = blk_integrity_nop_fn,
.verify_fn = blk_integrity_nop_fn,
return t10_pi_verify(iter, t10_pi_ip_fn, 3);
}
return t10_pi_verify(iter, t10_pi_ip_fn, 3);
}
-struct blk_integrity_profile t10_pi_type1_crc = {
+const struct blk_integrity_profile t10_pi_type1_crc = {
.name = "T10-DIF-TYPE1-CRC",
.generate_fn = t10_pi_type1_generate_crc,
.verify_fn = t10_pi_type1_verify_crc,
};
EXPORT_SYMBOL(t10_pi_type1_crc);
.name = "T10-DIF-TYPE1-CRC",
.generate_fn = t10_pi_type1_generate_crc,
.verify_fn = t10_pi_type1_verify_crc,
};
EXPORT_SYMBOL(t10_pi_type1_crc);
-struct blk_integrity_profile t10_pi_type1_ip = {
+const struct blk_integrity_profile t10_pi_type1_ip = {
.name = "T10-DIF-TYPE1-IP",
.generate_fn = t10_pi_type1_generate_ip,
.verify_fn = t10_pi_type1_verify_ip,
};
EXPORT_SYMBOL(t10_pi_type1_ip);
.name = "T10-DIF-TYPE1-IP",
.generate_fn = t10_pi_type1_generate_ip,
.verify_fn = t10_pi_type1_verify_ip,
};
EXPORT_SYMBOL(t10_pi_type1_ip);
-struct blk_integrity_profile t10_pi_type3_crc = {
+const struct blk_integrity_profile t10_pi_type3_crc = {
.name = "T10-DIF-TYPE3-CRC",
.generate_fn = t10_pi_type3_generate_crc,
.verify_fn = t10_pi_type3_verify_crc,
};
EXPORT_SYMBOL(t10_pi_type3_crc);
.name = "T10-DIF-TYPE3-CRC",
.generate_fn = t10_pi_type3_generate_crc,
.verify_fn = t10_pi_type3_verify_crc,
};
EXPORT_SYMBOL(t10_pi_type3_crc);
-struct blk_integrity_profile t10_pi_type3_ip = {
+const struct blk_integrity_profile t10_pi_type3_ip = {
.name = "T10-DIF-TYPE3-IP",
.generate_fn = t10_pi_type3_generate_ip,
.verify_fn = t10_pi_type3_verify_ip,
.name = "T10-DIF-TYPE3-IP",
.generate_fn = t10_pi_type3_generate_ip,
.verify_fn = t10_pi_type3_verify_ip,
#if defined(CONFIG_BLK_DEV_INTEGRITY)
struct blk_integrity {
#if defined(CONFIG_BLK_DEV_INTEGRITY)
struct blk_integrity {
- struct blk_integrity_profile *profile;
- unsigned char flags;
- unsigned char tuple_size;
- unsigned char interval_exp;
- unsigned char tag_size;
+ const struct blk_integrity_profile *profile;
+ unsigned char flags;
+ unsigned char tuple_size;
+ unsigned char interval_exp;
+ unsigned char tag_size;
};
#endif /* CONFIG_BLK_DEV_INTEGRITY */
};
#endif /* CONFIG_BLK_DEV_INTEGRITY */
-extern struct blk_integrity_profile t10_pi_type1_crc;
-extern struct blk_integrity_profile t10_pi_type1_ip;
-extern struct blk_integrity_profile t10_pi_type3_crc;
-extern struct blk_integrity_profile t10_pi_type3_ip;
+extern const struct blk_integrity_profile t10_pi_type1_crc;
+extern const struct blk_integrity_profile t10_pi_type1_ip;
+extern const struct blk_integrity_profile t10_pi_type3_crc;
+extern const struct blk_integrity_profile t10_pi_type3_ip;