1 #ifndef _BCACHEFS_XATTR_H
2 #define _BCACHEFS_XATTR_H
6 extern const struct bch_hash_desc bch2_xattr_hash_desc;
8 const char *bch2_xattr_invalid(const struct bch_fs *, struct bkey_s_c);
9 void bch2_xattr_to_text(struct bch_fs *, char *, size_t, struct bkey_s_c);
11 #define bch2_bkey_xattr_ops (struct bkey_ops) { \
12 .key_invalid = bch2_xattr_invalid, \
13 .val_to_text = bch2_xattr_to_text, \
16 static inline unsigned xattr_val_u64s(unsigned name_len, unsigned val_len)
18 return DIV_ROUND_UP(offsetof(struct bch_xattr, x_name) +
19 name_len + val_len, sizeof(u64));
22 #define xattr_val(_xattr) \
23 ((void *) (_xattr)->x_name + (_xattr)->x_name_len)
25 struct xattr_search_key {
30 #define X_SEARCH(_type, _name, _len) ((struct xattr_search_key) \
31 { .type = _type, .name = QSTR_INIT(_name, _len) })
36 struct bch_inode_info;
38 struct bkey_s_c bch2_xattr_get_iter(struct bch_fs *,
40 struct bch_inode_info *,
42 int bch2_xattr_get(struct bch_fs *, struct bch_inode_info *,
43 const char *, void *, size_t, int);
45 int bch2_xattr_set(struct bch_fs *, u64, const struct bch_hash_info *,
46 const char *, const void *, size_t, int, int, u64 *);
47 ssize_t bch2_xattr_list(struct dentry *, char *, size_t);
49 extern const struct xattr_handler *bch2_xattr_handlers[];
51 #endif /* _BCACHEFS_XATTR_H */