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-rw-r--r--libbcachefs/inode.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/libbcachefs/inode.h b/libbcachefs/inode.h
new file mode 100644
index 00000000..277d4e42
--- /dev/null
+++ b/libbcachefs/inode.h
@@ -0,0 +1,57 @@
+#ifndef _BCACHE_INODE_H
+#define _BCACHE_INODE_H
+
+#include <linux/math64.h>
+
+extern const struct bkey_ops bch2_bkey_inode_ops;
+
+struct bch_inode_unpacked {
+ u64 inum;
+ __le64 i_hash_seed;
+ u32 i_flags;
+ u16 i_mode;
+
+#define BCH_INODE_FIELD(_name, _bits) u##_bits _name;
+ BCH_INODE_FIELDS()
+#undef BCH_INODE_FIELD
+};
+
+struct bkey_inode_buf {
+ struct bkey_i_inode inode;
+
+#define BCH_INODE_FIELD(_name, _bits) + 8 + _bits / 8
+ u8 _pad[0 + BCH_INODE_FIELDS()];
+#undef BCH_INODE_FIELD
+} __packed;
+
+void bch2_inode_pack(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_init(struct bch_fs *, struct bch_inode_unpacked *,
+ uid_t, gid_t, umode_t, dev_t);
+int bch2_inode_create(struct bch_fs *, struct bkey_i *, u64, u64, u64 *);
+int bch2_inode_truncate(struct bch_fs *, u64, u64,
+ struct extent_insert_hook *, u64 *);
+int bch2_inode_rm(struct bch_fs *, u64);
+
+int bch2_inode_find_by_inum(struct bch_fs *, u64,
+ struct bch_inode_unpacked *);
+int bch2_cached_dev_inode_find_by_uuid(struct bch_fs *, uuid_le *,
+ struct bkey_i_inode_blockdev *);
+
+static inline struct timespec bch2_time_to_timespec(struct bch_fs *c, u64 time)
+{
+ return ns_to_timespec(time * c->sb.time_precision + c->sb.time_base_lo);
+}
+
+static inline u64 timespec_to_bch2_time(struct bch_fs *c, struct timespec ts)
+{
+ s64 ns = timespec_to_ns(&ts) - c->sb.time_base_lo;
+
+ if (c->sb.time_precision == 1)
+ return ns;
+
+ return div_s64(ns, c->sb.time_precision);
+}
+
+#endif