1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _BCACHEFS_SUPER_H 3 #define _BCACHEFS_SUPER_H 4 5 #include "extents.h" 6 7 #include "bcachefs_ioctl.h" 8 9 #include <linux/math64.h> 10 11 extern const char * const bch2_fs_flag_strs[]; 12 13 struct bch_fs *bch2_dev_to_fs(dev_t); 14 struct bch_fs *bch2_uuid_to_fs(__uuid_t); 15 16 bool bch2_dev_state_allowed(struct bch_fs *, struct bch_dev *, 17 enum bch_member_state, int); 18 int __bch2_dev_set_state(struct bch_fs *, struct bch_dev *, 19 enum bch_member_state, int); 20 int bch2_dev_set_state(struct bch_fs *, struct bch_dev *, 21 enum bch_member_state, int); 22 23 int bch2_dev_fail(struct bch_dev *, int); 24 int bch2_dev_remove(struct bch_fs *, struct bch_dev *, int); 25 int bch2_dev_add(struct bch_fs *, const char *); 26 int bch2_dev_online(struct bch_fs *, const char *); 27 int bch2_dev_offline(struct bch_fs *, struct bch_dev *, int); 28 int bch2_dev_resize(struct bch_fs *, struct bch_dev *, u64); 29 struct bch_dev *bch2_dev_lookup(struct bch_fs *, const char *); 30 31 bool bch2_fs_emergency_read_only(struct bch_fs *); 32 void bch2_fs_read_only(struct bch_fs *); 33 34 int bch2_fs_read_write(struct bch_fs *); 35 int bch2_fs_read_write_early(struct bch_fs *); 36 37 /* 38 * Only for use in the recovery/fsck path: 39 */ 40 static inline void bch2_fs_lazy_rw(struct bch_fs *c) 41 { 42 if (!test_bit(BCH_FS_rw, &c->flags) && 43 !test_bit(BCH_FS_was_rw, &c->flags)) 44 bch2_fs_read_write_early(c); 45 } 46 47 void __bch2_fs_stop(struct bch_fs *); 48 void bch2_fs_free(struct bch_fs *); 49 void bch2_fs_stop(struct bch_fs *); 50 51 int bch2_fs_start(struct bch_fs *); 52 struct bch_fs *bch2_fs_open(char * const *, unsigned, struct bch_opts); 53 54 #endif /* _BCACHEFS_SUPER_H */ 55