11c6fdbd8SKent Overstreet /* SPDX-License-Identifier: GPL-2.0 */
21c6fdbd8SKent Overstreet #ifndef _BCACHEFS_INODE_H
31c6fdbd8SKent Overstreet #define _BCACHEFS_INODE_H
41c6fdbd8SKent Overstreet
577671e8fSKent Overstreet #include "bkey.h"
64bd156c4SKent Overstreet #include "bkey_methods.h"
71c6fdbd8SKent Overstreet #include "opts.h"
81c6fdbd8SKent Overstreet
965eaf4e2SKent Overstreet enum bch_validate_flags;
104d269918SKent Overstreet extern const char * const bch2_inode_opts[];
114d269918SKent Overstreet
12*d97de0d0SKent Overstreet int bch2_inode_validate(struct bch_fs *, struct bkey_s_c,
13*d97de0d0SKent Overstreet enum bch_validate_flags);
14*d97de0d0SKent Overstreet int bch2_inode_v2_validate(struct bch_fs *, struct bkey_s_c,
15*d97de0d0SKent Overstreet enum bch_validate_flags);
16*d97de0d0SKent Overstreet int bch2_inode_v3_validate(struct bch_fs *, struct bkey_s_c,
17*d97de0d0SKent Overstreet enum bch_validate_flags);
18319f9ac3SKent Overstreet void bch2_inode_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
191c6fdbd8SKent Overstreet
2008bc9590SKent Overstreet int bch2_trigger_inode(struct btree_trans *, enum btree_id, unsigned,
212d288745SNathan Chancellor struct bkey_s_c, struct bkey_s,
222d288745SNathan Chancellor enum btree_iter_update_trigger_flags);
234dc5bb9aSKent Overstreet
24a1019576SKent Overstreet #define bch2_bkey_ops_inode ((struct bkey_ops) { \
25*d97de0d0SKent Overstreet .key_validate = bch2_inode_validate, \
261c6fdbd8SKent Overstreet .val_to_text = bch2_inode_to_text, \
27f0431c5fSKent Overstreet .trigger = bch2_trigger_inode, \
28174f930bSKent Overstreet .min_val_size = 16, \
29a1019576SKent Overstreet })
301c6fdbd8SKent Overstreet
31a1019576SKent Overstreet #define bch2_bkey_ops_inode_v2 ((struct bkey_ops) { \
32*d97de0d0SKent Overstreet .key_validate = bch2_inode_v2_validate, \
333e52c222SKent Overstreet .val_to_text = bch2_inode_to_text, \
34f0431c5fSKent Overstreet .trigger = bch2_trigger_inode, \
35174f930bSKent Overstreet .min_val_size = 32, \
36a1019576SKent Overstreet })
373e52c222SKent Overstreet
388dd69d9fSKent Overstreet #define bch2_bkey_ops_inode_v3 ((struct bkey_ops) { \
39*d97de0d0SKent Overstreet .key_validate = bch2_inode_v3_validate, \
408dd69d9fSKent Overstreet .val_to_text = bch2_inode_to_text, \
41f0431c5fSKent Overstreet .trigger = bch2_trigger_inode, \
42174f930bSKent Overstreet .min_val_size = 48, \
438dd69d9fSKent Overstreet })
448dd69d9fSKent Overstreet
bkey_is_inode(const struct bkey * k)453e52c222SKent Overstreet static inline bool bkey_is_inode(const struct bkey *k)
463e52c222SKent Overstreet {
473e52c222SKent Overstreet return k->type == KEY_TYPE_inode ||
488dd69d9fSKent Overstreet k->type == KEY_TYPE_inode_v2 ||
498dd69d9fSKent Overstreet k->type == KEY_TYPE_inode_v3;
503e52c222SKent Overstreet }
513e52c222SKent Overstreet
52*d97de0d0SKent Overstreet int bch2_inode_generation_validate(struct bch_fs *, struct bkey_s_c,
53*d97de0d0SKent Overstreet enum bch_validate_flags);
54f0ac7df2SKent Overstreet void bch2_inode_generation_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
5526609b61SKent Overstreet
56a1019576SKent Overstreet #define bch2_bkey_ops_inode_generation ((struct bkey_ops) { \
57*d97de0d0SKent Overstreet .key_validate = bch2_inode_generation_validate, \
5826609b61SKent Overstreet .val_to_text = bch2_inode_generation_to_text, \
59174f930bSKent Overstreet .min_val_size = 8, \
60a1019576SKent Overstreet })
6126609b61SKent Overstreet
62a3e72262SKent Overstreet #if 0
63a3e72262SKent Overstreet typedef struct {
64a3e72262SKent Overstreet u64 lo;
65a3e72262SKent Overstreet u32 hi;
66a3e72262SKent Overstreet } __packed __aligned(4) u96;
67a3e72262SKent Overstreet #endif
68a3e72262SKent Overstreet typedef u64 u96;
69a3e72262SKent Overstreet
701c6fdbd8SKent Overstreet struct bch_inode_unpacked {
711c6fdbd8SKent Overstreet u64 bi_inum;
723e52c222SKent Overstreet u64 bi_journal_seq;
731c6fdbd8SKent Overstreet __le64 bi_hash_seed;
748dd69d9fSKent Overstreet u64 bi_size;
758dd69d9fSKent Overstreet u64 bi_sectors;
768dd69d9fSKent Overstreet u64 bi_version;
771c6fdbd8SKent Overstreet u32 bi_flags;
781c6fdbd8SKent Overstreet u16 bi_mode;
791c6fdbd8SKent Overstreet
80a3e70fb2SKent Overstreet #define x(_name, _bits) u##_bits _name;
818dd69d9fSKent Overstreet BCH_INODE_FIELDS_v3()
82a3e70fb2SKent Overstreet #undef x
831c6fdbd8SKent Overstreet };
841c6fdbd8SKent Overstreet
851c6fdbd8SKent Overstreet struct bkey_inode_buf {
868dd69d9fSKent Overstreet struct bkey_i_inode_v3 inode;
871c6fdbd8SKent Overstreet
88a3e70fb2SKent Overstreet #define x(_name, _bits) + 8 + _bits / 8
898dd69d9fSKent Overstreet u8 _pad[0 + BCH_INODE_FIELDS_v3()];
90a3e70fb2SKent Overstreet #undef x
917b6dda72SKent Overstreet };
921c6fdbd8SKent Overstreet
938dd69d9fSKent Overstreet void bch2_inode_pack(struct bkey_inode_buf *, const struct bch_inode_unpacked *);
943e52c222SKent Overstreet int bch2_inode_unpack(struct bkey_s_c, struct bch_inode_unpacked *);
958dd69d9fSKent Overstreet struct bkey_i *bch2_inode_to_v3(struct btree_trans *, struct bkey_i *);
961c6fdbd8SKent Overstreet
970f120eacSKent Overstreet void bch2_inode_unpacked_to_text(struct printbuf *, struct bch_inode_unpacked *);
980f120eacSKent Overstreet
994c20278eSKent Overstreet int bch2_inode_peek_nowarn(struct btree_trans *, struct btree_iter *,
1004c20278eSKent Overstreet struct bch_inode_unpacked *, subvol_inum, unsigned);
10167e0dd8fSKent Overstreet int bch2_inode_peek(struct btree_trans *, struct btree_iter *,
1026fed42bbSKent Overstreet struct bch_inode_unpacked *, subvol_inum, unsigned);
1034bd156c4SKent Overstreet
1044bd156c4SKent Overstreet int bch2_inode_write_flags(struct btree_trans *, struct btree_iter *,
1055dd8c60eSKent Overstreet struct bch_inode_unpacked *, enum btree_iter_update_trigger_flags);
1064bd156c4SKent Overstreet
bch2_inode_write(struct btree_trans * trans,struct btree_iter * iter,struct bch_inode_unpacked * inode)1074bd156c4SKent Overstreet static inline int bch2_inode_write(struct btree_trans *trans,
1084bd156c4SKent Overstreet struct btree_iter *iter,
1094bd156c4SKent Overstreet struct bch_inode_unpacked *inode)
1104bd156c4SKent Overstreet {
1114bd156c4SKent Overstreet return bch2_inode_write_flags(trans, iter, inode, 0);
1124bd156c4SKent Overstreet }
11358677a1dSKent Overstreet
11469c8e6ceSKent Overstreet int __bch2_fsck_write_inode(struct btree_trans *, struct bch_inode_unpacked *, u32);
11569c8e6ceSKent Overstreet int bch2_fsck_write_inode(struct btree_trans *, struct bch_inode_unpacked *, u32);
11669c8e6ceSKent Overstreet
11796385742SKent Overstreet void bch2_inode_init_early(struct bch_fs *,
11896385742SKent Overstreet struct bch_inode_unpacked *);
11996385742SKent Overstreet void bch2_inode_init_late(struct bch_inode_unpacked *, u64,
12096385742SKent Overstreet uid_t, gid_t, umode_t, dev_t,
12196385742SKent Overstreet struct bch_inode_unpacked *);
1221c6fdbd8SKent Overstreet void bch2_inode_init(struct bch_fs *, struct bch_inode_unpacked *,
1231c6fdbd8SKent Overstreet uid_t, gid_t, umode_t, dev_t,
1241c6fdbd8SKent Overstreet struct bch_inode_unpacked *);
1251c6fdbd8SKent Overstreet
12667e0dd8fSKent Overstreet int bch2_inode_create(struct btree_trans *, struct btree_iter *,
127bff796aeSKent Overstreet struct bch_inode_unpacked *, u32, u64);
1281c6fdbd8SKent Overstreet
1297c8f6f98SKent Overstreet int bch2_inode_rm(struct bch_fs *, subvol_inum);
1301c6fdbd8SKent Overstreet
131da187cacSKent Overstreet int bch2_inode_find_by_inum_nowarn_trans(struct btree_trans *,
132da187cacSKent Overstreet subvol_inum,
133da187cacSKent Overstreet struct bch_inode_unpacked *);
13432b26e8cSKent Overstreet int bch2_inode_find_by_inum_trans(struct btree_trans *, subvol_inum,
13532b26e8cSKent Overstreet struct bch_inode_unpacked *);
1366fed42bbSKent Overstreet int bch2_inode_find_by_inum(struct bch_fs *, subvol_inum,
1376fed42bbSKent Overstreet struct bch_inode_unpacked *);
1381c6fdbd8SKent Overstreet
13901ad6737SKent Overstreet #define inode_opt_get(_c, _inode, _name) \
14001ad6737SKent Overstreet ((_inode)->bi_##_name ? (_inode)->bi_##_name - 1 : (_c)->opts._name)
1411c6fdbd8SKent Overstreet
bch2_inode_opt_set(struct bch_inode_unpacked * inode,enum inode_opt_id id,u64 v)1424d269918SKent Overstreet static inline void bch2_inode_opt_set(struct bch_inode_unpacked *inode,
1434d269918SKent Overstreet enum inode_opt_id id, u64 v)
1441c6fdbd8SKent Overstreet {
1451c6fdbd8SKent Overstreet switch (id) {
146a3e70fb2SKent Overstreet #define x(_name, ...) \
1474d269918SKent Overstreet case Inode_opt_##_name: \
1481c6fdbd8SKent Overstreet inode->bi_##_name = v; \
1491c6fdbd8SKent Overstreet break;
1501c6fdbd8SKent Overstreet BCH_INODE_OPTS()
151a3e70fb2SKent Overstreet #undef x
1521c6fdbd8SKent Overstreet default:
1531c6fdbd8SKent Overstreet BUG();
1541c6fdbd8SKent Overstreet }
1551c6fdbd8SKent Overstreet }
1561c6fdbd8SKent Overstreet
bch2_inode_opt_get(struct bch_inode_unpacked * inode,enum inode_opt_id id)1574d269918SKent Overstreet static inline u64 bch2_inode_opt_get(struct bch_inode_unpacked *inode,
1584d269918SKent Overstreet enum inode_opt_id id)
1591c6fdbd8SKent Overstreet {
1604d269918SKent Overstreet switch (id) {
1614d269918SKent Overstreet #define x(_name, ...) \
1624d269918SKent Overstreet case Inode_opt_##_name: \
1634d269918SKent Overstreet return inode->bi_##_name;
1644d269918SKent Overstreet BCH_INODE_OPTS()
1654d269918SKent Overstreet #undef x
1664d269918SKent Overstreet default:
1674d269918SKent Overstreet BUG();
1681c6fdbd8SKent Overstreet }
1691c6fdbd8SKent Overstreet }
1701c6fdbd8SKent Overstreet
mode_to_type(umode_t mode)17196385742SKent Overstreet static inline u8 mode_to_type(umode_t mode)
17296385742SKent Overstreet {
17396385742SKent Overstreet return (mode >> 12) & 15;
17496385742SKent Overstreet }
17596385742SKent Overstreet
inode_d_type(struct bch_inode_unpacked * inode)176285b181aSKent Overstreet static inline u8 inode_d_type(struct bch_inode_unpacked *inode)
177285b181aSKent Overstreet {
178285b181aSKent Overstreet return inode->bi_subvol ? DT_SUBVOL : mode_to_type(inode->bi_mode);
179285b181aSKent Overstreet }
180285b181aSKent Overstreet
bch2_inode_flags(struct bkey_s_c k)181688a7694SKent Overstreet static inline u32 bch2_inode_flags(struct bkey_s_c k)
182688a7694SKent Overstreet {
183688a7694SKent Overstreet switch (k.k->type) {
184688a7694SKent Overstreet case KEY_TYPE_inode:
185688a7694SKent Overstreet return le32_to_cpu(bkey_s_c_to_inode(k).v->bi_flags);
186688a7694SKent Overstreet case KEY_TYPE_inode_v2:
187688a7694SKent Overstreet return le64_to_cpu(bkey_s_c_to_inode_v2(k).v->bi_flags);
188688a7694SKent Overstreet case KEY_TYPE_inode_v3:
189688a7694SKent Overstreet return le64_to_cpu(bkey_s_c_to_inode_v3(k).v->bi_flags);
190688a7694SKent Overstreet default:
191688a7694SKent Overstreet return 0;
192688a7694SKent Overstreet }
193688a7694SKent Overstreet }
194688a7694SKent Overstreet
195b43a0f60SKent Overstreet /* i_nlink: */
196b43a0f60SKent Overstreet
nlink_bias(umode_t mode)197b43a0f60SKent Overstreet static inline unsigned nlink_bias(umode_t mode)
198b43a0f60SKent Overstreet {
199b43a0f60SKent Overstreet return S_ISDIR(mode) ? 2 : 1;
200b43a0f60SKent Overstreet }
201b43a0f60SKent Overstreet
bch2_inode_nlink_get(struct bch_inode_unpacked * bi)202b43a0f60SKent Overstreet static inline unsigned bch2_inode_nlink_get(struct bch_inode_unpacked *bi)
203b43a0f60SKent Overstreet {
204103ffe9aSKent Overstreet return bi->bi_flags & BCH_INODE_unlinked
205b43a0f60SKent Overstreet ? 0
206b43a0f60SKent Overstreet : bi->bi_nlink + nlink_bias(bi->bi_mode);
207b43a0f60SKent Overstreet }
208b43a0f60SKent Overstreet
bch2_inode_nlink_set(struct bch_inode_unpacked * bi,unsigned nlink)209b43a0f60SKent Overstreet static inline void bch2_inode_nlink_set(struct bch_inode_unpacked *bi,
210b43a0f60SKent Overstreet unsigned nlink)
211b43a0f60SKent Overstreet {
212b43a0f60SKent Overstreet if (nlink) {
213b43a0f60SKent Overstreet bi->bi_nlink = nlink - nlink_bias(bi->bi_mode);
214103ffe9aSKent Overstreet bi->bi_flags &= ~BCH_INODE_unlinked;
215b43a0f60SKent Overstreet } else {
216b43a0f60SKent Overstreet bi->bi_nlink = 0;
217103ffe9aSKent Overstreet bi->bi_flags |= BCH_INODE_unlinked;
218b43a0f60SKent Overstreet }
219b43a0f60SKent Overstreet }
220b43a0f60SKent Overstreet
221962ad1a7SKent Overstreet int bch2_inode_nlink_inc(struct bch_inode_unpacked *);
222962ad1a7SKent Overstreet void bch2_inode_nlink_dec(struct btree_trans *, struct bch_inode_unpacked *);
223962ad1a7SKent Overstreet
bch2_inode_should_have_bp(struct bch_inode_unpacked * inode)2244da1713aSKent Overstreet static inline bool bch2_inode_should_have_bp(struct bch_inode_unpacked *inode)
2254da1713aSKent Overstreet {
2264da1713aSKent Overstreet bool inode_has_bp = inode->bi_dir || inode->bi_dir_offset;
2274da1713aSKent Overstreet
2284da1713aSKent Overstreet return S_ISDIR(inode->bi_mode) ||
2294da1713aSKent Overstreet (!inode->bi_nlink && inode_has_bp);
2304da1713aSKent Overstreet }
2314da1713aSKent Overstreet
232abb936fbSKent Overstreet struct bch_opts bch2_inode_opts_to_opts(struct bch_inode_unpacked *);
23301ad6737SKent Overstreet void bch2_inode_opts_get(struct bch_io_opts *, struct bch_fs *,
23401ad6737SKent Overstreet struct bch_inode_unpacked *);
23555c11a15SKent Overstreet int bch2_inum_opts_get(struct btree_trans*, subvol_inum, struct bch_io_opts *);
236abb936fbSKent Overstreet
2377904c82cSKent Overstreet int bch2_inode_rm_snapshot(struct btree_trans *, u64, u32);
238dde8cb11SKent Overstreet int bch2_delete_dead_inodes(struct bch_fs *);
2397904c82cSKent Overstreet
2401c6fdbd8SKent Overstreet #endif /* _BCACHEFS_INODE_H */
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