diff options
Diffstat (limited to 'fs/bcachefs/super-io.h')
| -rw-r--r-- | fs/bcachefs/super-io.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/bcachefs/super-io.h b/fs/bcachefs/super-io.h index fadd364e2802..f1ab4f943720 100644 --- a/fs/bcachefs/super-io.h +++ b/fs/bcachefs/super-io.h @@ -10,14 +10,29 @@ #include <asm/byteorder.h> +#define BCH_SB_READ_SCRATCH_BUF_SIZE 4096 + static inline bool bch2_version_compatible(u16 version) { return BCH_VERSION_MAJOR(version) <= BCH_VERSION_MAJOR(bcachefs_metadata_version_current) && version >= bcachefs_metadata_version_min; } -void bch2_version_to_text(struct printbuf *, unsigned); -unsigned bch2_latest_compatible_version(unsigned); +void bch2_version_to_text(struct printbuf *, enum bcachefs_metadata_version); +enum bcachefs_metadata_version bch2_latest_compatible_version(enum bcachefs_metadata_version); + +void bch2_set_version_incompat(struct bch_fs *, enum bcachefs_metadata_version); + +static inline bool bch2_request_incompat_feature(struct bch_fs *c, + enum bcachefs_metadata_version version) +{ + if (unlikely(version > c->sb.version_incompat)) { + if (version > c->sb.version_incompat_allowed) + return false; + bch2_set_version_incompat(c, version); + } + return true; +} static inline size_t bch2_sb_field_bytes(struct bch_sb_field *f) { @@ -92,7 +107,7 @@ static inline void bch2_check_set_feature(struct bch_fs *c, unsigned feat) } bool bch2_check_version_downgrade(struct bch_fs *); -void bch2_sb_upgrade(struct bch_fs *, unsigned); +void bch2_sb_upgrade(struct bch_fs *, unsigned, bool); void __bch2_sb_field_to_text(struct printbuf *, struct bch_sb *, struct bch_sb_field *); |