diff options
Diffstat (limited to 'c_src/libbcachefs/disk_groups.h')
-rw-r--r-- | c_src/libbcachefs/disk_groups.h | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/c_src/libbcachefs/disk_groups.h b/c_src/libbcachefs/disk_groups.h deleted file mode 100644 index 441826ff..00000000 --- a/c_src/libbcachefs/disk_groups.h +++ /dev/null @@ -1,111 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _BCACHEFS_DISK_GROUPS_H -#define _BCACHEFS_DISK_GROUPS_H - -#include "disk_groups_types.h" - -extern const struct bch_sb_field_ops bch_sb_field_ops_disk_groups; - -static inline unsigned disk_groups_nr(struct bch_sb_field_disk_groups *groups) -{ - return groups - ? (vstruct_end(&groups->field) - - (void *) &groups->entries[0]) / sizeof(struct bch_disk_group) - : 0; -} - -struct target { - enum { - TARGET_NULL, - TARGET_DEV, - TARGET_GROUP, - } type; - union { - unsigned dev; - unsigned group; - }; -}; - -#define TARGET_DEV_START 1 -#define TARGET_GROUP_START (256 + TARGET_DEV_START) - -static inline u16 dev_to_target(unsigned dev) -{ - return TARGET_DEV_START + dev; -} - -static inline u16 group_to_target(unsigned group) -{ - return TARGET_GROUP_START + group; -} - -static inline struct target target_decode(unsigned target) -{ - if (target >= TARGET_GROUP_START) - return (struct target) { - .type = TARGET_GROUP, - .group = target - TARGET_GROUP_START - }; - - if (target >= TARGET_DEV_START) - return (struct target) { - .type = TARGET_DEV, - .group = target - TARGET_DEV_START - }; - - return (struct target) { .type = TARGET_NULL }; -} - -const struct bch_devs_mask *bch2_target_to_mask(struct bch_fs *, unsigned); - -static inline struct bch_devs_mask target_rw_devs(struct bch_fs *c, - enum bch_data_type data_type, - u16 target) -{ - struct bch_devs_mask devs = c->rw_devs[data_type]; - const struct bch_devs_mask *t = bch2_target_to_mask(c, target); - - if (t) - bitmap_and(devs.d, devs.d, t->d, BCH_SB_MEMBERS_MAX); - return devs; -} - -static inline bool bch2_target_accepts_data(struct bch_fs *c, - enum bch_data_type data_type, - u16 target) -{ - struct bch_devs_mask rw_devs = target_rw_devs(c, data_type, target); - return !bitmap_empty(rw_devs.d, BCH_SB_MEMBERS_MAX); -} - -bool bch2_dev_in_target(struct bch_fs *, unsigned, unsigned); - -int bch2_disk_path_find(struct bch_sb_handle *, const char *); - -/* Exported for userspace bcachefs-tools: */ -int bch2_disk_path_find_or_create(struct bch_sb_handle *, const char *); - -void bch2_disk_path_to_text(struct printbuf *, struct bch_fs *, unsigned); -void bch2_disk_path_to_text_sb(struct printbuf *, struct bch_sb *, unsigned); - -void bch2_target_to_text(struct printbuf *out, struct bch_fs *, unsigned); - -int bch2_opt_target_parse(struct bch_fs *, const char *, u64 *, struct printbuf *); -void bch2_opt_target_to_text(struct printbuf *, struct bch_fs *, struct bch_sb *, u64); - -#define bch2_opt_target (struct bch_opt_fn) { \ - .parse = bch2_opt_target_parse, \ - .to_text = bch2_opt_target_to_text, \ -} - -int bch2_sb_disk_groups_to_cpu(struct bch_fs *); - -int __bch2_dev_group_set(struct bch_fs *, struct bch_dev *, const char *); -int bch2_dev_group_set(struct bch_fs *, struct bch_dev *, const char *); - -const char *bch2_sb_validate_disk_groups(struct bch_sb *, - struct bch_sb_field *); - -void bch2_disk_groups_to_text(struct printbuf *, struct bch_fs *); - -#endif /* _BCACHEFS_DISK_GROUPS_H */ |