From 9fa02ac75ba14683b341ec7430202cccfc8c3fab Mon Sep 17 00:00:00 2001 From: David Sterba Date: Fri, 17 May 2019 11:43:20 +0200 Subject: [PATCH] btrfs: use raid_attr table in get_profile_num_devs The dev_max constraints are defined in the raid_attr table, use it instead of open-coding it. Signed-off-by: David Sterba --- fs/btrfs/extent-tree.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index cbe6a7278008..326fd8660efb 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4336,15 +4336,9 @@ static u64 get_profile_num_devs(struct btrfs_fs_info *fs_info, u64 type) { u64 num_dev; - if (type & (BTRFS_BLOCK_GROUP_RAID10 | - BTRFS_BLOCK_GROUP_RAID0 | - BTRFS_BLOCK_GROUP_RAID5 | - BTRFS_BLOCK_GROUP_RAID6)) + num_dev = btrfs_raid_array[btrfs_bg_flags_to_raid_index(type)].devs_max; + if (!num_dev) num_dev = fs_info->fs_devices->rw_devices; - else if (type & BTRFS_BLOCK_GROUP_RAID1) - num_dev = 2; - else - num_dev = 1; /* DUP or single */ return num_dev; }