52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef BTRFS_DIR_ITEM_H
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#define BTRFS_DIR_ITEM_H
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#include <linux/crc32c.h>
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struct fscrypt_str;
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int btrfs_check_dir_item_collision(struct btrfs_root *root, u64 dir,
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const struct fscrypt_str *name);
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int btrfs_insert_dir_item(struct btrfs_trans_handle *trans,
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const struct fscrypt_str *name, struct btrfs_inode *dir,
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struct btrfs_key *location, u8 type, u64 index);
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struct btrfs_dir_item *btrfs_lookup_dir_item(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path, u64 dir,
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const struct fscrypt_str *name, int mod);
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struct btrfs_dir_item *btrfs_lookup_dir_index_item(
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struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path, u64 dir,
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u64 index, const struct fscrypt_str *name, int mod);
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struct btrfs_dir_item *btrfs_search_dir_index_item(struct btrfs_root *root,
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struct btrfs_path *path, u64 dirid,
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const struct fscrypt_str *name);
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int btrfs_delete_one_dir_name(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path,
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struct btrfs_dir_item *di);
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int btrfs_insert_xattr_item(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path, u64 objectid,
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const char *name, u16 name_len,
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const void *data, u16 data_len);
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struct btrfs_dir_item *btrfs_lookup_xattr(struct btrfs_trans_handle *trans,
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struct btrfs_root *root,
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struct btrfs_path *path, u64 dir,
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const char *name, u16 name_len,
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int mod);
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struct btrfs_dir_item *btrfs_match_dir_item_name(struct btrfs_fs_info *fs_info,
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struct btrfs_path *path,
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const char *name,
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int name_len);
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static inline u64 btrfs_name_hash(const char *name, int len)
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{
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return crc32c((u32)~1, name, len);
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}
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#endif
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