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endianness

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This commit is contained in:
Kent Overstreet 2016-01-15 06:34:30 -09:00
parent 284c963646
commit f2e0c20309
2 changed files with 22 additions and 19 deletions
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33
bcache-format.c
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@ -331,8 +331,8 @@ static void format_v0(void)
sb->offset = SB_SECTOR;
sb->version = BCACHE_SB_VERSION_CDEV_WITH_UUID;
sb->magic = BCACHE_MAGIC;
sb->block_size = block_size;
sb->bucket_size = bucket_size;
sb->block_size = block_size;
sb->bucket_size = bucket_size;
sb->set_uuid = set_uuid;
sb->nr_in_set = darray_size(cache_devices);
@ -380,10 +380,10 @@ static void format_v1(void)
sb = calloc(1, sizeof(*sb) + sizeof(struct cache_member) *
darray_size(cache_devices));
sb->offset = SB_SECTOR;
sb->version = BCACHE_SB_VERSION_CDEV_V3;
sb->offset = __cpu_to_le64(SB_SECTOR);
sb->version = __cpu_to_le64(BCACHE_SB_VERSION_CDEV_V3);
sb->magic = BCACHE_MAGIC;
sb->block_size = block_size;
sb->block_size = __cpu_to_le16(block_size);
sb->set_uuid = set_uuid;
sb->user_uuid = user_uuid;
sb->nr_in_set = darray_size(cache_devices);
@ -412,13 +412,13 @@ static void format_v1(void)
(i - cache_devices.item);
uuid_generate(m->uuid.b);
m->nbuckets = i->nbuckets;
m->first_bucket = i->first_bucket;
m->bucket_size = i->bucket_size;
m->nbuckets = __cpu_to_le64(i->nbuckets);
m->first_bucket = __cpu_to_le16(i->first_bucket);
m->bucket_size = __cpu_to_le16(i->bucket_size);
if (m->nbuckets < 1 << 7)
if (__le64_to_cpu(m->nbuckets < 1 << 7))
die("Not enough buckets: %llu, need %u",
m->nbuckets, 1 << 7);
__le64_to_cpu(m->nbuckets), 1 << 7);
SET_CACHE_TIER(m, i->tier);
SET_CACHE_REPLICATION_SET(m, i->replication_set);
@ -426,7 +426,7 @@ static void format_v1(void)
SET_CACHE_DISCARD(m, discard);
}
sb->u64s = bch_journal_buckets_offset(sb);
sb->u64s = __cpu_to_le16(bch_journal_buckets_offset(sb));
darray_foreach(i, cache_devices) {
char uuid_str[40], set_uuid_str[40];
@ -435,7 +435,8 @@ static void format_v1(void)
sb->disk_uuid = m->uuid;
sb->nr_this_dev = i - cache_devices.item;
sb->csum = csum_set(sb, CACHE_SB_CSUM_TYPE(sb));
sb->csum = __cpu_to_le64(__csum_set(sb, __le16_to_cpu(sb->u64s),
CACHE_SB_CSUM_TYPE(sb)));
uuid_unparse(sb->disk_uuid.b, uuid_str);
uuid_unparse(sb->user_uuid.b, set_uuid_str);
@ -450,12 +451,12 @@ static void format_v1(void)
"first_bucket: %u\n",
uuid_str, set_uuid_str,
(unsigned) sb->version,
m->nbuckets,
sb->block_size,
m->bucket_size,
__le64_to_cpu(m->nbuckets),
__le16_to_cpu(sb->block_size),
__le16_to_cpu(m->bucket_size),
sb->nr_in_set,
sb->nr_this_dev,
m->first_bucket);
__le16_to_cpu(m->first_bucket));
do_write_sb(i->fd, sb);
}

8
util.h
View File

@ -72,14 +72,16 @@ u64 bch_checksum(unsigned, const void *, size_t);
#define __bset_bkey_last(_set) \
__bkey_idx((_set), (_set)->u64s)
#define csum_set(i, type) \
#define __csum_set(i, u64s, type) \
({ \
void *start = ((void *) (i)) + sizeof(uint64_t); \
void *end = __bset_bkey_last(i); \
const void *start = ((const void *) (i)) + sizeof(u64); \
const void *end = __bkey_idx(i, u64s); \
\
bch_checksum(type, start, end - start); \
})
#define csum_set(i, type) __csum_set(i, (i)->u64s, type)
int bcachectl_open(void);
#include <dirent.h>