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Diffstat (limited to 'fs/bcachefs/sb-members.h')
-rw-r--r--fs/bcachefs/sb-members.h25
1 files changed, 23 insertions, 2 deletions
diff --git a/fs/bcachefs/sb-members.h b/fs/bcachefs/sb-members.h
index be0a941832..5bf27d30ca 100644
--- a/fs/bcachefs/sb-members.h
+++ b/fs/bcachefs/sb-members.h
@@ -3,6 +3,7 @@
#define _BCACHEFS_SB_MEMBERS_H
#include "darray.h"
+#include "bkey_types.h"
extern char * const bch2_member_error_strs[];
@@ -106,10 +107,10 @@ static inline struct bch_dev *__bch2_next_dev(struct bch_fs *c, struct bch_dev *
static inline struct bch_dev *bch2_get_next_dev(struct bch_fs *c, struct bch_dev *ca)
{
+ rcu_read_lock();
if (ca)
percpu_ref_put(&ca->ref);
- rcu_read_lock();
if ((ca = __bch2_next_dev(c, ca, NULL)))
percpu_ref_get(&ca->ref);
rcu_read_unlock();
@@ -131,10 +132,10 @@ static inline struct bch_dev *bch2_get_next_online_dev(struct bch_fs *c,
struct bch_dev *ca,
unsigned state_mask)
{
+ rcu_read_lock();
if (ca)
percpu_ref_put(&ca->io_ref);
- rcu_read_lock();
while ((ca = __bch2_next_dev(c, ca, NULL)) &&
(!((1 << ca->mi.state) & state_mask) ||
!percpu_ref_tryget(&ca->io_ref)))
@@ -220,6 +221,8 @@ static inline struct bch_member_cpu bch2_mi_to_cpu(struct bch_member *mi)
: 1,
.freespace_initialized = BCH_MEMBER_FREESPACE_INITIALIZED(mi),
.valid = bch2_member_exists(mi),
+ .btree_bitmap_shift = mi->btree_bitmap_shift,
+ .btree_allocated_bitmap = le64_to_cpu(mi->btree_allocated_bitmap),
};
}
@@ -228,4 +231,22 @@ void bch2_sb_members_from_cpu(struct bch_fs *);
void bch2_dev_io_errors_to_text(struct printbuf *, struct bch_dev *);
void bch2_dev_errors_reset(struct bch_dev *);
+static inline bool bch2_dev_btree_bitmap_marked_sectors(struct bch_dev *ca, u64 start, unsigned sectors)
+{
+ u64 end = start + sectors;
+
+ if (end > 64ULL << ca->mi.btree_bitmap_shift)
+ return false;
+
+ for (unsigned bit = start >> ca->mi.btree_bitmap_shift;
+ (u64) bit << ca->mi.btree_bitmap_shift < end;
+ bit++)
+ if (!(ca->mi.btree_allocated_bitmap & BIT_ULL(bit)))
+ return false;
+ return true;
+}
+
+bool bch2_dev_btree_bitmap_marked(struct bch_fs *, struct bkey_s_c);
+void bch2_dev_btree_bitmap_mark(struct bch_fs *, struct bkey_s_c);
+
#endif /* _BCACHEFS_SB_MEMBERS_H */