diff options
Diffstat (limited to 'libbcachefs/btree_update.h')
| -rw-r--r-- | libbcachefs/btree_update.h | 40 |
1 files changed, 29 insertions, 11 deletions
diff --git a/libbcachefs/btree_update.h b/libbcachefs/btree_update.h index f357095d..aac97958 100644 --- a/libbcachefs/btree_update.h +++ b/libbcachefs/btree_update.h @@ -85,31 +85,49 @@ int __bch2_btree_insert_at(struct btree_insert *); __VA_ARGS__ \ }}) +enum { + __BTREE_INSERT_ATOMIC, + __BTREE_INSERT_NOUNLOCK, + __BTREE_INSERT_NOFAIL, + __BTREE_INSERT_USE_RESERVE, + __BTREE_INSERT_USE_ALLOC_RESERVE, + __BTREE_INSERT_JOURNAL_REPLAY, + __BTREE_INSERT_NOWAIT, + __BTREE_INSERT_GC_LOCK_HELD, + __BCH_HASH_SET_MUST_CREATE, + __BCH_HASH_SET_MUST_REPLACE, +}; + +/* + * Don't drop/retake locks before doing btree update, instead return -EINTR if + * we had to drop locks for any reason + */ +#define BTREE_INSERT_ATOMIC (1 << __BTREE_INSERT_ATOMIC) + /* - * Don't drop/retake locks: instead return -EINTR if need to upgrade to intent - * locks, -EAGAIN if need to wait on btree reserve + * Don't drop locks _after_ successfully updating btree: */ -#define BTREE_INSERT_ATOMIC (1 << 0) +#define BTREE_INSERT_NOUNLOCK (1 << __BTREE_INSERT_NOUNLOCK) /* Don't check for -ENOSPC: */ -#define BTREE_INSERT_NOFAIL (1 << 1) +#define BTREE_INSERT_NOFAIL (1 << __BTREE_INSERT_NOFAIL) /* for copygc, or when merging btree nodes */ -#define BTREE_INSERT_USE_RESERVE (1 << 2) -#define BTREE_INSERT_USE_ALLOC_RESERVE (1 << 3) +#define BTREE_INSERT_USE_RESERVE (1 << __BTREE_INSERT_USE_RESERVE) +#define BTREE_INSERT_USE_ALLOC_RESERVE (1 << __BTREE_INSERT_USE_ALLOC_RESERVE) /* * Insert is for journal replay: don't get journal reservations, or mark extents * (bch_mark_key) */ -#define BTREE_INSERT_JOURNAL_REPLAY (1 << 4) +#define BTREE_INSERT_JOURNAL_REPLAY (1 << __BTREE_INSERT_JOURNAL_REPLAY) /* Don't block on allocation failure (for new btree nodes: */ -#define BTREE_INSERT_NOWAIT (1 << 5) -#define BTREE_INSERT_GC_LOCK_HELD (1 << 6) +#define BTREE_INSERT_NOWAIT (1 << __BTREE_INSERT_NOWAIT) +#define BTREE_INSERT_GC_LOCK_HELD (1 << __BTREE_INSERT_GC_LOCK_HELD) -#define BCH_HASH_SET_MUST_CREATE (1 << 7) -#define BCH_HASH_SET_MUST_REPLACE (1 << 8) +#define BCH_HASH_SET_MUST_CREATE (1 << __BCH_HASH_SET_MUST_CREATE) +#define BCH_HASH_SET_MUST_REPLACE (1 << __BCH_HASH_SET_MUST_REPLACE) int bch2_btree_delete_at(struct btree_iter *, unsigned); |