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btrfs-progs: drop alloc_chunk_ctl::stripe_len
Since commit b9444efb66
("btrfs-progs: don't pretend RAID56 has a
different stripe length"), alloc_chunk_ctl::stripe_len is always fixed
to BTRFS_STRIPE_LEN. Let's replace alloc_chunk_ctl::stripe_len with
BTRFS_STRIPE_LEN, like in the kernel code.
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
parent
2d3b31d604
commit
3428487d90
@ -159,7 +159,6 @@ struct alloc_chunk_ctl {
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u64 min_stripe_size;
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u64 min_stripe_size;
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u64 num_bytes;
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u64 num_bytes;
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u64 max_chunk_size;
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u64 max_chunk_size;
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int stripe_len;
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int total_devs;
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int total_devs;
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u64 dev_offset;
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u64 dev_offset;
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};
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};
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@ -1057,7 +1056,6 @@ static void init_alloc_chunk_ctl(struct btrfs_fs_info *info,
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ctl->calc_size = SZ_8M;
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ctl->calc_size = SZ_8M;
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ctl->min_stripe_size = SZ_1M;
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ctl->min_stripe_size = SZ_1M;
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ctl->max_chunk_size = 4 * ctl->calc_size;
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ctl->max_chunk_size = 4 * ctl->calc_size;
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ctl->stripe_len = BTRFS_STRIPE_LEN;
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ctl->total_devs = btrfs_super_num_devices(info->super_copy);
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ctl->total_devs = btrfs_super_num_devices(info->super_copy);
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ctl->dev_offset = 0;
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ctl->dev_offset = 0;
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@ -1098,13 +1096,13 @@ static int decide_stripe_size_regular(struct alloc_chunk_ctl *ctl)
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if (chunk_size > ctl->max_chunk_size) {
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if (chunk_size > ctl->max_chunk_size) {
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ctl->calc_size = ctl->max_chunk_size;
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ctl->calc_size = ctl->max_chunk_size;
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ctl->calc_size /= ctl->num_stripes;
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ctl->calc_size /= ctl->num_stripes;
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ctl->calc_size = round_down(ctl->calc_size, ctl->stripe_len);
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ctl->calc_size = round_down(ctl->calc_size, BTRFS_STRIPE_LEN);
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}
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}
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/* We don't want tiny stripes */
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/* We don't want tiny stripes */
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ctl->calc_size = max_t(u64, ctl->calc_size, ctl->min_stripe_size);
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ctl->calc_size = max_t(u64, ctl->calc_size, ctl->min_stripe_size);
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/* Align to the stripe length */
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/* Align to the stripe length */
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ctl->calc_size = round_down(ctl->calc_size, ctl->stripe_len);
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ctl->calc_size = round_down(ctl->calc_size, BTRFS_STRIPE_LEN);
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return 0;
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return 0;
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}
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}
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@ -1206,17 +1204,17 @@ static int create_chunk(struct btrfs_trans_handle *trans,
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/* key was set above */
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/* key was set above */
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btrfs_set_stack_chunk_length(chunk, ctl->num_bytes);
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btrfs_set_stack_chunk_length(chunk, ctl->num_bytes);
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btrfs_set_stack_chunk_owner(chunk, extent_root->root_key.objectid);
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btrfs_set_stack_chunk_owner(chunk, extent_root->root_key.objectid);
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btrfs_set_stack_chunk_stripe_len(chunk, ctl->stripe_len);
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btrfs_set_stack_chunk_stripe_len(chunk, BTRFS_STRIPE_LEN);
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btrfs_set_stack_chunk_type(chunk, ctl->type);
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btrfs_set_stack_chunk_type(chunk, ctl->type);
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btrfs_set_stack_chunk_num_stripes(chunk, ctl->num_stripes);
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btrfs_set_stack_chunk_num_stripes(chunk, ctl->num_stripes);
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btrfs_set_stack_chunk_io_align(chunk, ctl->stripe_len);
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btrfs_set_stack_chunk_io_align(chunk, BTRFS_STRIPE_LEN);
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btrfs_set_stack_chunk_io_width(chunk, ctl->stripe_len);
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btrfs_set_stack_chunk_io_width(chunk, BTRFS_STRIPE_LEN);
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btrfs_set_stack_chunk_sector_size(chunk, info->sectorsize);
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btrfs_set_stack_chunk_sector_size(chunk, info->sectorsize);
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btrfs_set_stack_chunk_sub_stripes(chunk, ctl->sub_stripes);
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btrfs_set_stack_chunk_sub_stripes(chunk, ctl->sub_stripes);
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map->sector_size = info->sectorsize;
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map->sector_size = info->sectorsize;
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map->stripe_len = ctl->stripe_len;
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map->stripe_len = BTRFS_STRIPE_LEN;
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map->io_align = ctl->stripe_len;
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map->io_align = BTRFS_STRIPE_LEN;
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map->io_width = ctl->stripe_len;
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map->io_width = BTRFS_STRIPE_LEN;
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map->type = ctl->type;
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map->type = ctl->type;
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map->num_stripes = ctl->num_stripes;
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map->num_stripes = ctl->num_stripes;
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map->sub_stripes = ctl->sub_stripes;
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map->sub_stripes = ctl->sub_stripes;
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@ -1369,7 +1367,6 @@ int btrfs_alloc_data_chunk(struct btrfs_trans_handle *trans,
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ctl.min_stripe_size = num_bytes;
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ctl.min_stripe_size = num_bytes;
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ctl.num_bytes = num_bytes;
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ctl.num_bytes = num_bytes;
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ctl.max_chunk_size = num_bytes;
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ctl.max_chunk_size = num_bytes;
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ctl.stripe_len = BTRFS_STRIPE_LEN;
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ctl.total_devs = btrfs_super_num_devices(info->super_copy);
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ctl.total_devs = btrfs_super_num_devices(info->super_copy);
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ctl.dev_offset = *start;
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ctl.dev_offset = *start;
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