diff mbox series

[04/15] btrfs: use raid_attr table in get_profile_num_devs

Message ID 31c439a3d4e1731c4002e6df86bef101e40c2ab6.1558085801.git.dsterba@suse.com (mailing list archive)
State New, archived
Headers show
Series RAID/volumes code cleanups | expand

Commit Message

David Sterba May 17, 2019, 9:43 a.m. UTC 
The dev_max constraints are defined in the raid_attr table, use it
instead of open-coding it.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 fs/btrfs/extent-tree.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 12889a7a1bb1..37d7e5261079 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -4324,15 +4324,9 @@  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;
 }