block: constify struct blk_integrity_profile

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>
This commit is contained in:
Eric Biggers
2017-03-24 18:03:48 -07:00
committed by Jens Axboe
parent 1be7d2073e
commit 869ab90f0a
4 changed files with 14 additions and 14 deletions

View File

@@ -159,11 +159,11 @@ struct badblocks;
#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 */

View File

@@ -34,9 +34,9 @@ struct t10_pi_tuple {
};
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;
#endif