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btrfs: switch BTRFS_ROOT_* to enums 

We can use simple enum for values that are not part of on-disk format:
root tree flags.

Reviewed-by: Omar Sandoval <osandov@fb.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2018-11-27 14:57:19 +01:00
parent eb1a524c95
commit 61fa90c16b
1 changed files with 17 additions and 16 deletions
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33
fs/btrfs/ctree.h
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@ -1180,22 +1180,23 @@ struct btrfs_subvolume_writers {
/*
* The state of btrfs root
*/
/*
* btrfs_record_root_in_trans is a multi-step process,
* and it can race with the balancing code. But the
* race is very small, and only the first time the root
* is added to each transaction. So IN_TRANS_SETUP
* is used to tell us when more checks are required
*/
#define BTRFS_ROOT_IN_TRANS_SETUP 0
#define BTRFS_ROOT_REF_COWS 1
#define BTRFS_ROOT_TRACK_DIRTY 2
#define BTRFS_ROOT_IN_RADIX 3
#define BTRFS_ROOT_ORPHAN_ITEM_INSERTED 4
#define BTRFS_ROOT_DEFRAG_RUNNING 5
#define BTRFS_ROOT_FORCE_COW 6
#define BTRFS_ROOT_MULTI_LOG_TASKS 7
#define BTRFS_ROOT_DIRTY 8
enum {
/*
* btrfs_record_root_in_trans is a multi-step process, and it can race
* with the balancing code. But the race is very small, and only the
* first time the root is added to each transaction. So IN_TRANS_SETUP
* is used to tell us when more checks are required
*/
BTRFS_ROOT_IN_TRANS_SETUP,
BTRFS_ROOT_REF_COWS,
BTRFS_ROOT_TRACK_DIRTY,
BTRFS_ROOT_IN_RADIX,
BTRFS_ROOT_ORPHAN_ITEM_INSERTED,
BTRFS_ROOT_DEFRAG_RUNNING,
BTRFS_ROOT_FORCE_COW,
BTRFS_ROOT_MULTI_LOG_TASKS,
BTRFS_ROOT_DIRTY,
};
/*
* in ram representation of the tree. extent_root is used for all allocations