linux/fs/bcachefs/sb-downgrade.h
Kent Overstreet 7773df19c3 bcachefs: metadata version bucket_stripe_sectors
New on disk format version for bch_alloc->stripe_sectors and
BCH_DATA_unstriped - accounting for unstriped data in stripe buckets.

Upgrade/downgrade requires regenerating alloc info - but only if erasure
coding is in use.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2024-07-14 19:00:12 -04:00

13 lines
434 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_SB_DOWNGRADE_H
#define _BCACHEFS_SB_DOWNGRADE_H
extern const struct bch_sb_field_ops bch_sb_field_ops_downgrade;
int bch2_sb_downgrade_update(struct bch_fs *);
void bch2_sb_set_upgrade(struct bch_fs *, unsigned, unsigned);
int bch2_sb_set_upgrade_extra(struct bch_fs *);
void bch2_sb_set_downgrade(struct bch_fs *, unsigned, unsigned);
#endif /* _BCACHEFS_SB_DOWNGRADE_H */