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block: Add prefix to block integrity profile flags

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Add a BLK_ prefix to the integrity profile flags. Also rename the flags
to be more consistent with the generate/verify terminology in the rest
of the integrity code.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Martin K. Petersen 2014-09-26 19:20:02 -04:00 committed by Jens Axboe
parent 1859308853
commit 8288f496eb
3 changed files with 28 additions and 25 deletions
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4
block/bio-integrity.c
View File

@ -173,11 +173,11 @@ bool bio_integrity_enabled(struct bio *bio)
return false;
if (bio_data_dir(bio) == READ && bi->verify_fn != NULL &&
(bi->flags & INTEGRITY_FLAG_READ))
(bi->flags & BLK_INTEGRITY_VERIFY))
return true;
if (bio_data_dir(bio) == WRITE && bi->generate_fn != NULL &&
(bi->flags & INTEGRITY_FLAG_WRITE))
(bi->flags & BLK_INTEGRITY_GENERATE))
return true;
return false;

43
block/blk-integrity.c
View File

@ -269,42 +269,42 @@ static ssize_t integrity_tag_size_show(struct blk_integrity *bi, char *page)
return sprintf(page, "0\n");
}
static ssize_t integrity_read_store(struct blk_integrity *bi,
const char *page, size_t count)
static ssize_t integrity_verify_store(struct blk_integrity *bi,
const char *page, size_t count)
{
char *p = (char *) page;
unsigned long val = simple_strtoul(p, &p, 10);
if (val)
bi->flags |= INTEGRITY_FLAG_READ;
bi->flags |= BLK_INTEGRITY_VERIFY;
else
bi->flags &= ~INTEGRITY_FLAG_READ;
bi->flags &= ~BLK_INTEGRITY_VERIFY;
return count;
}
static ssize_t integrity_read_show(struct blk_integrity *bi, char *page)
static ssize_t integrity_verify_show(struct blk_integrity *bi, char *page)
{
return sprintf(page, "%d\n", (bi->flags & INTEGRITY_FLAG_READ) != 0);
return sprintf(page, "%d\n", (bi->flags & BLK_INTEGRITY_VERIFY) != 0);
}
static ssize_t integrity_write_store(struct blk_integrity *bi,
const char *page, size_t count)
static ssize_t integrity_generate_store(struct blk_integrity *bi,
const char *page, size_t count)
{
char *p = (char *) page;
unsigned long val = simple_strtoul(p, &p, 10);
if (val)
bi->flags |= INTEGRITY_FLAG_WRITE;
bi->flags |= BLK_INTEGRITY_GENERATE;
else
bi->flags &= ~INTEGRITY_FLAG_WRITE;
bi->flags &= ~BLK_INTEGRITY_GENERATE;
return count;
}
static ssize_t integrity_write_show(struct blk_integrity *bi, char *page)
static ssize_t integrity_generate_show(struct blk_integrity *bi, char *page)
{
return sprintf(page, "%d\n", (bi->flags & INTEGRITY_FLAG_WRITE) != 0);
return sprintf(page, "%d\n", (bi->flags & BLK_INTEGRITY_GENERATE) != 0);
}
static struct integrity_sysfs_entry integrity_format_entry = {
@ -317,23 +317,23 @@ static struct integrity_sysfs_entry integrity_tag_size_entry = {
.show = integrity_tag_size_show,
};
static struct integrity_sysfs_entry integrity_read_entry = {
static struct integrity_sysfs_entry integrity_verify_entry = {
.attr = { .name = "read_verify", .mode = S_IRUGO | S_IWUSR },
.show = integrity_read_show,
.store = integrity_read_store,
.show = integrity_verify_show,
.store = integrity_verify_store,
};
static struct integrity_sysfs_entry integrity_write_entry = {
static struct integrity_sysfs_entry integrity_generate_entry = {
.attr = { .name = "write_generate", .mode = S_IRUGO | S_IWUSR },
.show = integrity_write_show,
.store = integrity_write_store,
.show = integrity_generate_show,
.store = integrity_generate_store,
};
static struct attribute *integrity_attrs[] = {
&integrity_format_entry.attr,
&integrity_tag_size_entry.attr,
&integrity_read_entry.attr,
&integrity_write_entry.attr,
&integrity_verify_entry.attr,
&integrity_generate_entry.attr,
NULL,
};
@ -406,7 +406,7 @@ int blk_integrity_register(struct gendisk *disk, struct blk_integrity *template)
kobject_uevent(&bi->kobj, KOBJ_ADD);
bi->flags |= INTEGRITY_FLAG_READ | INTEGRITY_FLAG_WRITE;
bi->flags |= BLK_INTEGRITY_VERIFY | BLK_INTEGRITY_GENERATE;
bi->interval = queue_logical_block_size(disk->queue);
disk->integrity = bi;
} else
@ -419,6 +419,7 @@ int blk_integrity_register(struct gendisk *disk, struct blk_integrity *template)
bi->verify_fn = template->verify_fn;
bi->tuple_size = template->tuple_size;
bi->tag_size = template->tag_size;
bi->flags |= template->flags;
} else
bi->name = bi_unsupported_name;

6
include/linux/blkdev.h
View File

@ -1458,8 +1458,10 @@ static inline uint64_t rq_io_start_time_ns(struct request *req)
#if defined(CONFIG_BLK_DEV_INTEGRITY)
#define INTEGRITY_FLAG_READ 2 /* verify data integrity on read */
#define INTEGRITY_FLAG_WRITE 4 /* generate data integrity on write */
enum blk_integrity_flags {
BLK_INTEGRITY_VERIFY = 1 << 0,
BLK_INTEGRITY_GENERATE = 1 << 1,
};
struct blk_integrity_iter {
void *prot_buf;