diff options
Diffstat (limited to 'fs/btrfs/dir-item.h')
| -rw-r--r-- | fs/btrfs/dir-item.h | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/fs/btrfs/dir-item.h b/fs/btrfs/dir-item.h index aab4b7cc7fa0..5f6dfafc91f1 100644 --- a/fs/btrfs/dir-item.h +++ b/fs/btrfs/dir-item.h @@ -3,11 +3,21 @@ #ifndef BTRFS_DIR_ITEM_H #define BTRFS_DIR_ITEM_H +#include <linux/types.h> +#include <linux/crc32c.h> + +struct fscrypt_str; +struct btrfs_fs_info; +struct btrfs_key; +struct btrfs_path; +struct btrfs_root; +struct btrfs_trans_handle; + int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir, const struct fscrypt_str *name); int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, const struct fscrypt_str *name, struct btrfs_inode *dir, - struct btrfs_key *location, u8 type, u64 index); + const struct btrfs_key *location, u8 type, u64 index); struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, u64 dir, @@ -23,7 +33,7 @@ struct btrfs_dir_item *btrfs_search_dir_index_item(struct btrfs_root *root, int btrfs_delete_one_dir_name(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, - struct btrfs_dir_item *di); + const struct btrfs_dir_item *di); int btrfs_insert_xattr_item(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct btrfs_path *path, u64 objectid, @@ -35,8 +45,13 @@ struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans, const char *name, u16 name_len, int mod); struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_fs_info *fs_info, - struct btrfs_path *path, + const struct btrfs_path *path, const char *name, int name_len); +static inline u64 btrfs_name_hash(const char *name, int len) +{ + return crc32c((u32)~1, name, len); +} + #endif |