Update bcachefs sources to 72740a707b64 bcachefs: Split brain detection

[bcachefs-tools-debian] / libbcachefs / inode.h

diff --git a/libbcachefs/inode.h b/libbcachefs/inode.h
index a9742bb63809b247299fe2e77361cb54aff58af6..88818a332b1e5fcaa5fd9b350d958ef582c05161 100644 (file)
--- a/libbcachefs/inode.h
+++ b/libbcachefs/inode.h
@@ -3,20 +3,31 @@
 #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[];
 
-int bch2_inode_invalid(const struct bch_fs *, struct bkey_s_c, int, struct printbuf *);
-int bch2_inode_v2_invalid(const struct bch_fs *, struct bkey_s_c, int, struct printbuf *);
-int bch2_inode_v3_invalid(const struct bch_fs *, struct bkey_s_c, int, struct printbuf *);
+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);
 
+int bch2_trans_mark_inode(struct btree_trans *, enum btree_id, unsigned,
+                         struct bkey_s_c, struct bkey_i *, unsigned);
+int bch2_mark_inode(struct btree_trans *, enum btree_id, unsigned,
+                   struct bkey_s_c, struct bkey_s_c, unsigned);
+
 #define bch2_bkey_ops_inode ((struct bkey_ops) {       \
        .key_invalid    = bch2_inode_invalid,           \
        .val_to_text    = bch2_inode_to_text,           \
        .trans_trigger  = bch2_trans_mark_inode,        \
        .atomic_trigger = bch2_mark_inode,              \
+       .min_val_size   = 16,                           \
 })
 
 #define bch2_bkey_ops_inode_v2 ((struct bkey_ops) {    \
@@ -24,6 +35,7 @@ void bch2_inode_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
        .val_to_text    = bch2_inode_to_text,           \
        .trans_trigger  = bch2_trans_mark_inode,        \
        .atomic_trigger = bch2_mark_inode,              \
+       .min_val_size   = 32,                           \
 })
 
 #define bch2_bkey_ops_inode_v3 ((struct bkey_ops) {    \
@@ -31,6 +43,7 @@ void bch2_inode_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
        .val_to_text    = bch2_inode_to_text,           \
        .trans_trigger  = bch2_trans_mark_inode,        \
        .atomic_trigger = bch2_mark_inode,              \
+       .min_val_size   = 48,                           \
 })
 
 static inline bool bkey_is_inode(const struct bkey *k)
@@ -40,13 +53,14 @@ static inline bool bkey_is_inode(const struct bkey *k)
                k->type == KEY_TYPE_inode_v3;
 }
 
-int bch2_inode_generation_invalid(const struct bch_fs *, struct bkey_s_c,
-                                 int, struct printbuf *);
+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) {    \
        .key_invalid    = bch2_inode_generation_invalid,        \
        .val_to_text    = bch2_inode_generation_to_text,        \
+       .min_val_size   = 8,                                    \
 })
 
 #if 0
@@ -82,14 +96,22 @@ struct bkey_inode_buf {
 
 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_s_c bch2_inode_to_v3(struct btree_trans *, struct bkey_s_c);
+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(struct btree_trans *, struct btree_iter *,
                    struct bch_inode_unpacked *, subvol_inum, unsigned);
-int bch2_inode_write(struct btree_trans *, struct btree_iter *,
-                    struct bch_inode_unpacked *);
+
+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 *);
@@ -105,22 +127,16 @@ int bch2_inode_create(struct btree_trans *, struct btree_iter *,
 
 int bch2_inode_rm(struct bch_fs *, subvol_inum);
 
+int bch2_inode_find_by_inum_nowarn_trans(struct btree_trans *,
+                                 subvol_inum,
+                                 struct bch_inode_unpacked *);
 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 *);
 
-static inline struct bch_io_opts bch2_inode_opts_get(struct bch_inode_unpacked *inode)
-{
-       struct bch_io_opts ret = { 0 };
-
-#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)
@@ -151,15 +167,6 @@ 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)
-{
-       struct bch_io_opts opts = bch2_opts_to_inode_opts(c->opts);
-
-       bch2_io_opts_apply(&opts, bch2_inode_opts_get(inode));
-       return opts;
-}
-
 static inline u8 mode_to_type(umode_t mode)
 {
        return (mode >> 12) & 15;
@@ -179,7 +186,7 @@ static inline unsigned nlink_bias(umode_t mode)
 
 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);
 }
@@ -189,14 +196,22 @@ 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 */