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btrfs_read_block_groups: Use enums to index 

btrfs_space_info->block_groups.

The current code uses integer literals to index
btrfs_space_info->block_groups[] array. Instead use corresponding
enums from 'enum btrfs_raid_types'.

Signed-off-by: chandan <chandan@linux.vnet.ibm.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
chandan 2013-07-16 12:28:56 +05:30 committed by Chris Mason
parent 3cae210fa5
commit 1095cc0d92
1 changed files with 6 additions and 2 deletions
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8
fs/btrfs/extent-tree.c
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@ -8441,9 +8441,13 @@ int btrfs_read_block_groups(struct btrfs_root *root)
* avoid allocating from un-mirrored block group if there are
* mirrored block groups.
*/
list_for_each_entry(cache, &space_info->block_groups[3], list)
list_for_each_entry(cache,
&space_info->block_groups[BTRFS_RAID_RAID0],
list)
set_block_group_ro(cache, 1);
list_for_each_entry(cache, &space_info->block_groups[4], list)
list_for_each_entry(cache,
&space_info->block_groups[BTRFS_RAID_SINGLE],
list)
set_block_group_ro(cache, 1);
}