diff options
Diffstat (limited to 'fs/btrfs/misc.h')
| -rw-r--r-- | fs/btrfs/misc.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/btrfs/misc.h b/fs/btrfs/misc.h index f9850edfd726..69826ccd6644 100644 --- a/fs/btrfs/misc.h +++ b/fs/btrfs/misc.h @@ -10,6 +10,14 @@ #define in_range(b, first, len) ((b) >= (first) && (b) < (first) + (len)) +/* + * Enumerate bits using enum autoincrement. Define the @name as the n-th bit. + */ +#define ENUM_BIT(name) \ + __ ## name ## _BIT, \ + name = (1U << __ ## name ## _BIT), \ + __ ## name ## _SEQ = __ ## name ## _BIT + static inline void cond_wake_up(struct wait_queue_head *wq) { /* |