X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libbcachefs%2Finode.h;h=b63f312581cfa5ea9975fae6fdcd2d1518d13d54;hb=799439a88ab7afe99e5052894c20ea77133a1551;hp=ef7e885dce0c87e671248f30f9debbaaf13b2dc9;hpb=d2a118d921dfdf43adfa37aed1d9df62925bda66;p=bcachefs-tools-debian diff --git a/libbcachefs/inode.h b/libbcachefs/inode.h index ef7e885..b63f312 100644 --- a/libbcachefs/inode.h +++ b/libbcachefs/inode.h @@ -2,27 +2,61 @@ #ifndef _BCACHEFS_INODE_H #define _BCACHEFS_INODE_H +#include "bkey.h" +#include "bkey_methods.h" #include "opts.h" +enum bkey_invalid_flags; extern const char * const bch2_inode_opts[]; -const char *bch2_inode_invalid(const struct bch_fs *, struct bkey_s_c); +int bch2_inode_invalid(struct bch_fs *, struct bkey_s_c, + enum bkey_invalid_flags, struct printbuf *); +int bch2_inode_v2_invalid(struct bch_fs *, struct bkey_s_c, + enum bkey_invalid_flags, struct printbuf *); +int bch2_inode_v3_invalid(struct bch_fs *, struct bkey_s_c, + enum bkey_invalid_flags, struct printbuf *); void bch2_inode_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); -#define bch2_bkey_ops_inode (struct bkey_ops) { \ +int bch2_trigger_inode(struct btree_trans *, enum btree_id, unsigned, + struct bkey_s_c, struct bkey_s, unsigned); + +#define bch2_bkey_ops_inode ((struct bkey_ops) { \ .key_invalid = bch2_inode_invalid, \ .val_to_text = bch2_inode_to_text, \ + .trigger = bch2_trigger_inode, \ + .min_val_size = 16, \ +}) + +#define bch2_bkey_ops_inode_v2 ((struct bkey_ops) { \ + .key_invalid = bch2_inode_v2_invalid, \ + .val_to_text = bch2_inode_to_text, \ + .trigger = bch2_trigger_inode, \ + .min_val_size = 32, \ +}) + +#define bch2_bkey_ops_inode_v3 ((struct bkey_ops) { \ + .key_invalid = bch2_inode_v3_invalid, \ + .val_to_text = bch2_inode_to_text, \ + .trigger = bch2_trigger_inode, \ + .min_val_size = 48, \ +}) + +static inline bool bkey_is_inode(const struct bkey *k) +{ + return k->type == KEY_TYPE_inode || + k->type == KEY_TYPE_inode_v2 || + k->type == KEY_TYPE_inode_v3; } -const char *bch2_inode_generation_invalid(const struct bch_fs *, - struct bkey_s_c); -void bch2_inode_generation_to_text(struct printbuf *, struct bch_fs *, - struct bkey_s_c); +int bch2_inode_generation_invalid(struct bch_fs *, struct bkey_s_c, + enum bkey_invalid_flags, struct printbuf *); +void bch2_inode_generation_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); -#define bch2_bkey_ops_inode_generation (struct bkey_ops) { \ +#define bch2_bkey_ops_inode_generation ((struct bkey_ops) { \ .key_invalid = bch2_inode_generation_invalid, \ .val_to_text = bch2_inode_generation_to_text, \ -} + .min_val_size = 8, \ +}) #if 0 typedef struct { @@ -34,31 +68,45 @@ typedef u64 u96; struct bch_inode_unpacked { u64 bi_inum; + u64 bi_journal_seq; __le64 bi_hash_seed; + u64 bi_size; + u64 bi_sectors; + u64 bi_version; u32 bi_flags; u16 bi_mode; #define x(_name, _bits) u##_bits _name; - BCH_INODE_FIELDS() + BCH_INODE_FIELDS_v3() #undef x }; struct bkey_inode_buf { - struct bkey_i_inode inode; + struct bkey_i_inode_v3 inode; #define x(_name, _bits) + 8 + _bits / 8 - u8 _pad[0 + BCH_INODE_FIELDS()]; + u8 _pad[0 + BCH_INODE_FIELDS_v3()]; #undef x -} __attribute__((packed, aligned(8))); +} __packed __aligned(8); -void bch2_inode_pack(struct bch_fs *, struct bkey_inode_buf *, - const struct bch_inode_unpacked *); -int bch2_inode_unpack(struct bkey_s_c_inode, struct bch_inode_unpacked *); +void bch2_inode_pack(struct bkey_inode_buf *, const struct bch_inode_unpacked *); +int bch2_inode_unpack(struct bkey_s_c, struct bch_inode_unpacked *); +struct bkey_i *bch2_inode_to_v3(struct btree_trans *, struct bkey_i *); -struct btree_iter *bch2_inode_peek(struct btree_trans *, - struct bch_inode_unpacked *, u64, unsigned); -int bch2_inode_write(struct btree_trans *, struct btree_iter *, - struct bch_inode_unpacked *); +void bch2_inode_unpacked_to_text(struct printbuf *, struct bch_inode_unpacked *); + +int bch2_inode_peek(struct btree_trans *, struct btree_iter *, + struct bch_inode_unpacked *, subvol_inum, unsigned); + +int bch2_inode_write_flags(struct btree_trans *, struct btree_iter *, + struct bch_inode_unpacked *, enum btree_update_flags); + +static inline int bch2_inode_write(struct btree_trans *trans, + struct btree_iter *iter, + struct bch_inode_unpacked *inode) +{ + return bch2_inode_write_flags(trans, iter, inode, 0); +} void bch2_inode_init_early(struct bch_fs *, struct bch_inode_unpacked *); @@ -69,25 +117,21 @@ void bch2_inode_init(struct bch_fs *, struct bch_inode_unpacked *, uid_t, gid_t, umode_t, dev_t, struct bch_inode_unpacked *); -int bch2_inode_create(struct btree_trans *, struct bch_inode_unpacked *); +int bch2_inode_create(struct btree_trans *, struct btree_iter *, + struct bch_inode_unpacked *, u32, u64); -int bch2_inode_rm(struct bch_fs *, u64); +int bch2_inode_rm(struct bch_fs *, subvol_inum); -int bch2_inode_find_by_inum_trans(struct btree_trans *, u64, +int bch2_inode_find_by_inum_nowarn_trans(struct btree_trans *, + subvol_inum, struct bch_inode_unpacked *); -int bch2_inode_find_by_inum(struct bch_fs *, u64, struct bch_inode_unpacked *); - -static inline struct bch_io_opts bch2_inode_opts_get(struct bch_inode_unpacked *inode) -{ - struct bch_io_opts ret = { 0 }; +int bch2_inode_find_by_inum_trans(struct btree_trans *, subvol_inum, + struct bch_inode_unpacked *); +int bch2_inode_find_by_inum(struct bch_fs *, subvol_inum, + struct bch_inode_unpacked *); -#define x(_name, _bits) \ - if (inode->bi_##_name) \ - opt_set(ret, _name, inode->bi_##_name - 1); - BCH_INODE_OPTS() -#undef x - return ret; -} +#define inode_opt_get(_c, _inode, _name) \ + ((_inode)->bi_##_name ? (_inode)->bi_##_name - 1 : (_c)->opts._name) static inline void bch2_inode_opt_set(struct bch_inode_unpacked *inode, enum inode_opt_id id, u64 v) @@ -118,18 +162,14 @@ static inline u64 bch2_inode_opt_get(struct bch_inode_unpacked *inode, } } -static inline struct bch_io_opts -io_opts(struct bch_fs *c, struct bch_inode_unpacked *inode) +static inline u8 mode_to_type(umode_t mode) { - struct bch_io_opts opts = bch2_opts_to_inode_opts(c->opts); - - bch2_io_opts_apply(&opts, bch2_inode_opts_get(inode)); - return opts; + return (mode >> 12) & 15; } -static inline u8 mode_to_type(umode_t mode) +static inline u8 inode_d_type(struct bch_inode_unpacked *inode) { - return (mode >> 12) & 15; + return inode->bi_subvol ? DT_SUBVOL : mode_to_type(inode->bi_mode); } /* i_nlink: */ @@ -139,26 +179,9 @@ static inline unsigned nlink_bias(umode_t mode) return S_ISDIR(mode) ? 2 : 1; } -static inline void bch2_inode_nlink_inc(struct bch_inode_unpacked *bi) -{ - if (bi->bi_flags & BCH_INODE_UNLINKED) - bi->bi_flags &= ~BCH_INODE_UNLINKED; - else - bi->bi_nlink++; -} - -static inline void bch2_inode_nlink_dec(struct bch_inode_unpacked *bi) -{ - BUG_ON(bi->bi_flags & BCH_INODE_UNLINKED); - if (bi->bi_nlink) - bi->bi_nlink--; - else - bi->bi_flags |= BCH_INODE_UNLINKED; -} - static inline unsigned bch2_inode_nlink_get(struct bch_inode_unpacked *bi) { - return bi->bi_flags & BCH_INODE_UNLINKED + return bi->bi_flags & BCH_INODE_unlinked ? 0 : bi->bi_nlink + nlink_bias(bi->bi_mode); } @@ -168,11 +191,22 @@ static inline void bch2_inode_nlink_set(struct bch_inode_unpacked *bi, { if (nlink) { bi->bi_nlink = nlink - nlink_bias(bi->bi_mode); - bi->bi_flags &= ~BCH_INODE_UNLINKED; + bi->bi_flags &= ~BCH_INODE_unlinked; } else { bi->bi_nlink = 0; - bi->bi_flags |= BCH_INODE_UNLINKED; + bi->bi_flags |= BCH_INODE_unlinked; } } +int bch2_inode_nlink_inc(struct bch_inode_unpacked *); +void bch2_inode_nlink_dec(struct btree_trans *, struct bch_inode_unpacked *); + +struct bch_opts bch2_inode_opts_to_opts(struct bch_inode_unpacked *); +void bch2_inode_opts_get(struct bch_io_opts *, struct bch_fs *, + struct bch_inode_unpacked *); +int bch2_inum_opts_get(struct btree_trans*, subvol_inum, struct bch_io_opts *); + +int bch2_inode_rm_snapshot(struct btree_trans *, u64, u32); +int bch2_delete_dead_inodes(struct bch_fs *); + #endif /* _BCACHEFS_INODE_H */