/* 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_validate(struct bch_fs *, struct bkey_s_c, struct bkey_validate_context); void bch2_xattr_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); #define bch2_bkey_ops_xattr ((struct bkey_ops) { \ .key_validate = bch2_xattr_validate, \ .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 * const bch2_xattr_handlers[]; #endif /* _BCACHEFS_XATTR_H */