Move c_src dirs back to toplevel

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

diff --git a/libbcachefs/xattr.h b/libbcachefs/xattr.h
new file mode 100644 (file)
index 0000000..1337f31
--- /dev/null
+++ b/libbcachefs/xattr.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BCACHEFS_XATTR_H
+#define _BCACHEFS_XATTR_H
+
+#include "str_hash.h"
+
+extern const struct bch_hash_desc bch2_xattr_hash_desc;
+
+int bch2_xattr_invalid(struct bch_fs *, struct bkey_s_c,
+                      enum bkey_invalid_flags, struct printbuf *);
+void bch2_xattr_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
+
+#define bch2_bkey_ops_xattr ((struct bkey_ops) {       \
+       .key_invalid    = bch2_xattr_invalid,           \
+       .val_to_text    = bch2_xattr_to_text,           \
+       .min_val_size   = 8,                            \
+})
+
+static inline unsigned xattr_val_u64s(unsigned name_len, unsigned val_len)
+{
+       return DIV_ROUND_UP(offsetof(struct bch_xattr, x_name) +
+                           name_len + val_len, sizeof(u64));
+}
+
+#define xattr_val(_xattr)                                      \
+       ((void *) (_xattr)->x_name + (_xattr)->x_name_len)
+
+struct xattr_search_key {
+       u8              type;
+       struct qstr     name;
+};
+
+#define X_SEARCH(_type, _name, _len) ((struct xattr_search_key)        \
+       { .type = _type, .name = QSTR_INIT(_name, _len) })
+
+struct dentry;
+struct xattr_handler;
+struct bch_hash_info;
+struct bch_inode_info;
+
+/* Exported for cmd_migrate.c in tools: */
+int bch2_xattr_set(struct btree_trans *, subvol_inum,
+                  struct bch_inode_unpacked *, const struct bch_hash_info *,
+                  const char *, const void *, size_t, int, int);
+
+ssize_t bch2_xattr_list(struct dentry *, char *, size_t);
+
+extern const struct xattr_handler *bch2_xattr_handlers[];
+
+#endif /* _BCACHEFS_XATTR_H */