struct map_lookup *map;
int i;
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
for (i = 0; i < map->num_stripes; i++) {
u64 end;
* we don't want to overwrite the superblock on the drive,
* so we make sure to start at an offset of at least 1MB
*/
- search_start = max(root->fs_info->alloc_start, 1024ull * 1024);
+ search_start = max_t(u64, root->fs_info->alloc_start, SZ_1M);
return find_free_dev_extent_start(trans->transaction, device,
num_bytes, search_start, start, len);
}
return;
file_update_time(filp);
filp_close(filp, NULL);
- return;
}
static int btrfs_rm_dev_item(struct btrfs_root *root,
free_extent_map(em);
return -EINVAL;
}
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
lock_chunks(root->fs_info->chunk_root);
check_system_chunk(trans, extent_root, map->type);
unlock_chunks(root->fs_info->chunk_root);
list_for_each_entry(device, devices, dev_list) {
old_size = btrfs_device_get_total_bytes(device);
size_to_free = div_factor(old_size, 1);
- size_to_free = min(size_to_free, (u64)1 * 1024 * 1024);
+ size_to_free = min_t(u64, size_to_free, SZ_1M);
if (!device->writeable ||
btrfs_device_get_total_bytes(device) -
btrfs_device_get_bytes_used(device) > size_to_free ||
static u32 find_raid56_stripe_len(u32 data_devices, u32 dev_stripe_target)
{
/* TODO allow them to set a preferred stripe size */
- return 64 * 1024;
+ return SZ_64K;
}
static void check_raid56_incompat_flag(struct btrfs_fs_info *info, u64 type)
ncopies = btrfs_raid_array[index].ncopies;
if (type & BTRFS_BLOCK_GROUP_DATA) {
- max_stripe_size = 1024 * 1024 * 1024;
+ max_stripe_size = SZ_1G;
max_chunk_size = 10 * max_stripe_size;
if (!devs_max)
devs_max = BTRFS_MAX_DEVS(info->chunk_root);
} else if (type & BTRFS_BLOCK_GROUP_METADATA) {
/* for larger filesystems, use larger metadata chunks */
- if (fs_devices->total_rw_bytes > 50ULL * 1024 * 1024 * 1024)
- max_stripe_size = 1024 * 1024 * 1024;
+ if (fs_devices->total_rw_bytes > 50ULL * SZ_1G)
+ max_stripe_size = SZ_1G;
else
- max_stripe_size = 256 * 1024 * 1024;
+ max_stripe_size = SZ_256M;
max_chunk_size = max_stripe_size;
if (!devs_max)
devs_max = BTRFS_MAX_DEVS(info->chunk_root);
} else if (type & BTRFS_BLOCK_GROUP_SYSTEM) {
- max_stripe_size = 32 * 1024 * 1024;
+ max_stripe_size = SZ_32M;
max_chunk_size = 2 * max_stripe_size;
if (!devs_max)
devs_max = BTRFS_MAX_DEVS_SYS_CHUNK;
goto error;
}
set_bit(EXTENT_FLAG_FS_MAPPING, &em->flags);
- em->bdev = (struct block_device *)map;
+ em->map_lookup = map;
em->start = start;
em->len = num_bytes;
em->block_start = 0;
return -EINVAL;
}
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
item_size = btrfs_chunk_item_size(map->num_stripes);
stripe_size = em->orig_block_len;
if (!em)
return 1;
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
for (i = 0; i < map->num_stripes; i++) {
if (map->stripes[i].dev->missing) {
miss_ndevs++;
return 1;
}
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
if (map->type & (BTRFS_BLOCK_GROUP_DUP | BTRFS_BLOCK_GROUP_RAID1))
ret = map->num_stripes;
else if (map->type & BTRFS_BLOCK_GROUP_RAID10)
BUG_ON(!em);
BUG_ON(em->start > logical || em->start + em->len < logical);
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK)
len = map->stripe_len * nr_data_stripes(map);
free_extent_map(em);
BUG_ON(!em);
BUG_ON(em->start > logical || em->start + em->len < logical);
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK)
ret = 1;
free_extent_map(em);
return -EINVAL;
}
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
offset = logical - em->start;
stripe_len = map->stripe_len;
free_extent_map(em);
return -EIO;
}
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
length = em->len;
rmap_len = map->stripe_len;
}
set_bit(EXTENT_FLAG_FS_MAPPING, &em->flags);
- em->bdev = (struct block_device *)map;
+ em->map_lookup = map;
em->start = logical;
em->len = length;
em->orig_start = 0;
/* In order to kick the device replace finish process */
lock_chunks(root);
list_for_each_entry(em, &transaction->pending_chunks, list) {
- map = (struct map_lookup *)em->bdev;
+ map = em->map_lookup;
for (i = 0; i < map->num_stripes; i++) {
dev = map->stripes[i].dev;