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Diffstat (limited to 'fs/bcachefs/inode.h')
-rw-r--r--fs/bcachefs/inode.h114
1 files changed, 92 insertions, 22 deletions
diff --git a/fs/bcachefs/inode.h b/fs/bcachefs/inode.h
index 056298050550..428b9be6af34 100644
--- a/fs/bcachefs/inode.h
+++ b/fs/bcachefs/inode.h
@@ -5,37 +5,47 @@
#include "bkey.h"
#include "bkey_methods.h"
#include "opts.h"
+#include "snapshot.h"
-enum bkey_invalid_flags;
extern const char * const bch2_inode_opts[];
-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 *);
+int bch2_inode_validate(struct bch_fs *, struct bkey_s_c,
+ struct bkey_validate_context);
+int bch2_inode_v2_validate(struct bch_fs *, struct bkey_s_c,
+ struct bkey_validate_context);
+int bch2_inode_v3_validate(struct bch_fs *, struct bkey_s_c,
+ struct bkey_validate_context);
void bch2_inode_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
+int __bch2_inode_has_child_snapshots(struct btree_trans *, struct bpos);
+
+static inline int bch2_inode_has_child_snapshots(struct btree_trans *trans, struct bpos pos)
+{
+ return bch2_snapshot_is_leaf(trans->c, pos.snapshot) <= 0
+ ? __bch2_inode_has_child_snapshots(trans, pos)
+ : 0;
+}
+
int bch2_trigger_inode(struct btree_trans *, enum btree_id, unsigned,
- struct bkey_s_c, struct bkey_s, unsigned);
+ struct bkey_s_c, struct bkey_s,
+ enum btree_iter_update_trigger_flags);
#define bch2_bkey_ops_inode ((struct bkey_ops) { \
- .key_invalid = bch2_inode_invalid, \
+ .key_validate = bch2_inode_validate, \
.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, \
+ .key_validate = bch2_inode_v2_validate, \
.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, \
+ .key_validate = bch2_inode_v3_validate, \
.val_to_text = bch2_inode_to_text, \
.trigger = bch2_trigger_inode, \
.min_val_size = 48, \
@@ -48,16 +58,26 @@ static inline bool bkey_is_inode(const struct bkey *k)
k->type == KEY_TYPE_inode_v3;
}
-int bch2_inode_generation_invalid(struct bch_fs *, struct bkey_s_c,
- enum bkey_invalid_flags, struct printbuf *);
+int bch2_inode_generation_validate(struct bch_fs *, struct bkey_s_c,
+ struct bkey_validate_context);
void bch2_inode_generation_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
#define bch2_bkey_ops_inode_generation ((struct bkey_ops) { \
- .key_invalid = bch2_inode_generation_invalid, \
+ .key_validate = bch2_inode_generation_validate, \
.val_to_text = bch2_inode_generation_to_text, \
.min_val_size = 8, \
})
+int bch2_inode_alloc_cursor_validate(struct bch_fs *, struct bkey_s_c,
+ struct bkey_validate_context);
+void bch2_inode_alloc_cursor_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
+
+#define bch2_bkey_ops_inode_alloc_cursor ((struct bkey_ops) { \
+ .key_validate = bch2_inode_alloc_cursor_validate, \
+ .val_to_text = bch2_inode_alloc_cursor_to_text, \
+ .min_val_size = 16, \
+})
+
#if 0
typedef struct {
u64 lo;
@@ -68,6 +88,7 @@ typedef u64 u96;
struct bch_inode_unpacked {
u64 bi_inum;
+ u32 bi_snapshot;
u64 bi_journal_seq;
__le64 bi_hash_seed;
u64 bi_size;
@@ -80,6 +101,7 @@ struct bch_inode_unpacked {
BCH_INODE_FIELDS_v3()
#undef x
};
+BITMASK(INODE_STR_HASH, struct bch_inode_unpacked, bi_flags, 20, 24);
struct bkey_inode_buf {
struct bkey_i_inode_v3 inode;
@@ -87,7 +109,7 @@ struct bkey_inode_buf {
#define x(_name, _bits) + 8 + _bits / 8
u8 _pad[0 + BCH_INODE_FIELDS_v3()];
#undef x
-} __packed __aligned(8);
+};
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 *);
@@ -95,13 +117,29 @@ struct bkey_i *bch2_inode_to_v3(struct btree_trans *, struct bkey_i *);
void bch2_inode_unpacked_to_text(struct printbuf *, struct bch_inode_unpacked *);
-int bch2_inode_peek_nowarn(struct btree_trans *, struct btree_iter *,
- struct bch_inode_unpacked *, subvol_inum, unsigned);
-int bch2_inode_peek(struct btree_trans *, struct btree_iter *,
- struct bch_inode_unpacked *, subvol_inum, unsigned);
+int __bch2_inode_peek(struct btree_trans *, struct btree_iter *,
+ struct bch_inode_unpacked *, subvol_inum, unsigned, bool);
+
+static inline int bch2_inode_peek_nowarn(struct btree_trans *trans,
+ struct btree_iter *iter,
+ struct bch_inode_unpacked *inode,
+ subvol_inum inum, unsigned flags)
+{
+ return __bch2_inode_peek(trans, iter, inode, inum, flags, false);
+}
+
+static inline int bch2_inode_peek(struct btree_trans *trans,
+ struct btree_iter *iter,
+ struct bch_inode_unpacked *inode,
+ subvol_inum inum, unsigned flags)
+{
+ return __bch2_inode_peek(trans, iter, inode, inum, flags, true);
+ int ret = bch2_inode_peek_nowarn(trans, iter, inode, inum, flags);
+ return ret;
+}
int bch2_inode_write_flags(struct btree_trans *, struct btree_iter *,
- struct bch_inode_unpacked *, enum btree_update_flags);
+ struct bch_inode_unpacked *, enum btree_iter_update_trigger_flags);
static inline int bch2_inode_write(struct btree_trans *trans,
struct btree_iter *iter,
@@ -110,8 +148,8 @@ static inline int bch2_inode_write(struct btree_trans *trans,
return bch2_inode_write_flags(trans, iter, inode, 0);
}
-int __bch2_fsck_write_inode(struct btree_trans *, struct bch_inode_unpacked *, u32);
-int bch2_fsck_write_inode(struct btree_trans *, struct bch_inode_unpacked *, u32);
+int __bch2_fsck_write_inode(struct btree_trans *, struct bch_inode_unpacked *);
+int bch2_fsck_write_inode(struct btree_trans *, struct bch_inode_unpacked *);
void bch2_inode_init_early(struct bch_fs *,
struct bch_inode_unpacked *);
@@ -191,6 +229,20 @@ static inline u32 bch2_inode_flags(struct bkey_s_c k)
}
}
+static inline unsigned bkey_inode_mode(struct bkey_s_c k)
+{
+ switch (k.k->type) {
+ case KEY_TYPE_inode:
+ return le16_to_cpu(bkey_s_c_to_inode(k).v->bi_mode);
+ case KEY_TYPE_inode_v2:
+ return le16_to_cpu(bkey_s_c_to_inode_v2(k).v->bi_mode);
+ case KEY_TYPE_inode_v3:
+ return INODEv3_MODE(bkey_s_c_to_inode_v3(k).v);
+ default:
+ return 0;
+ }
+}
+
/* i_nlink: */
static inline unsigned nlink_bias(umode_t mode)
@@ -220,11 +272,29 @@ static inline void bch2_inode_nlink_set(struct bch_inode_unpacked *bi,
int bch2_inode_nlink_inc(struct bch_inode_unpacked *);
void bch2_inode_nlink_dec(struct btree_trans *, struct bch_inode_unpacked *);
+static inline bool bch2_inode_should_have_single_bp(struct bch_inode_unpacked *inode)
+{
+ bool inode_has_bp = inode->bi_dir || inode->bi_dir_offset;
+
+ return S_ISDIR(inode->bi_mode) ||
+ (!inode->bi_nlink && inode_has_bp);
+}
+
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 *);
+#include "rebalance.h"
+
+static inline struct bch_extent_rebalance
+bch2_inode_rebalance_opts_get(struct bch_fs *c, struct bch_inode_unpacked *inode)
+{
+ struct bch_io_opts io_opts;
+ bch2_inode_opts_get(&io_opts, c, inode);
+ return io_opts_to_rebalance_opts(c, &io_opts);
+}
+
int bch2_inode_rm_snapshot(struct btree_trans *, u64, u32);
int bch2_delete_dead_inodes(struct bch_fs *);
generated by cgit (git 2.34.1) at 2025-03-22 11:47:54 +0000