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authorDavid Sterba <dsterba@suse.com>2018-11-27 14:57:19 +0100
committerDavid Sterba <dsterba@suse.com>2018-12-17 14:51:42 +0100
commit61fa90c16b0b5efd1d5a6d1c74124c46e9138350 (patch)
treee638b217fd7e40ab5363779b5cb9cddf588f2432 /fs/btrfs
parenteb1a524c95206e41c54e8cee25a66f9488a151ef (diff)
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>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/ctree.h33
1 files changed, 17 insertions, 16 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 99f8fff8f2ae..41d056010d9e 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -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