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btrfs: Refactor parameter of BTRFS_MAX_DEVS() from root to fs_info

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Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2018-01-30 18:20:46 +08:00 committed by David Sterba
parent af2679e4a7
commit 062d4d1f40
1 changed files with 3 additions and 3 deletions
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6
fs/btrfs/volumes.c
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@ -4672,7 +4672,7 @@ static void check_raid56_incompat_flag(struct btrfs_fs_info *info, u64 type)
btrfs_set_fs_incompat(info, RAID56);
}
#define BTRFS_MAX_DEVS(r) ((BTRFS_MAX_ITEM_SIZE(r->fs_info) \
#define BTRFS_MAX_DEVS(info) ((BTRFS_MAX_ITEM_SIZE(info) \
- sizeof(struct btrfs_chunk)) \
/ sizeof(struct btrfs_stripe) + 1)
@ -4729,7 +4729,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
max_stripe_size = SZ_1G;
max_chunk_size = 10 * max_stripe_size;
if (!devs_max)
devs_max = BTRFS_MAX_DEVS(info->chunk_root);
devs_max = BTRFS_MAX_DEVS(info);
} else if (type & BTRFS_BLOCK_GROUP_METADATA) {
/* for larger filesystems, use larger metadata chunks */
if (fs_devices->total_rw_bytes > 50ULL * SZ_1G)
@ -4738,7 +4738,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
max_stripe_size = SZ_256M;
max_chunk_size = max_stripe_size;
if (!devs_max)
devs_max = BTRFS_MAX_DEVS(info->chunk_root);
devs_max = BTRFS_MAX_DEVS(info);
} else if (type & BTRFS_BLOCK_GROUP_SYSTEM) {
max_stripe_size = SZ_32M;
max_chunk_size = 2 * max_stripe_size;