From 1c6fdbd8f2465ddfb73a01ec620cbf3d14044e1a Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Thu, 16 Mar 2017 22:18:50 -0800 Subject: bcachefs: Initial commit Initially forked from drivers/md/bcache, bcachefs is a new copy-on-write filesystem with every feature you could possibly want. Website: https://bcachefs.org Signed-off-by: Kent Overstreet --- fs/bcachefs/dirent.h | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 fs/bcachefs/dirent.h (limited to 'fs/bcachefs/dirent.h') diff --git a/fs/bcachefs/dirent.h b/fs/bcachefs/dirent.h new file mode 100644 index 000000000000..d02dc3e10d95 --- /dev/null +++ b/fs/bcachefs/dirent.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _BCACHEFS_DIRENT_H +#define _BCACHEFS_DIRENT_H + +#include "str_hash.h" + +extern const struct bch_hash_desc bch2_dirent_hash_desc; + +const char *bch2_dirent_invalid(const struct bch_fs *, struct bkey_s_c); +void bch2_dirent_to_text(struct bch_fs *, char *, size_t, struct bkey_s_c); + +#define bch2_bkey_dirent_ops (struct bkey_ops) { \ + .key_invalid = bch2_dirent_invalid, \ + .val_to_text = bch2_dirent_to_text, \ +} + +struct qstr; +struct file; +struct dir_context; +struct bch_fs; +struct bch_hash_info; +struct bch_inode_info; + +unsigned bch2_dirent_name_bytes(struct bkey_s_c_dirent); + +int __bch2_dirent_create(struct btree_trans *, u64, + const struct bch_hash_info *, u8, + const struct qstr *, u64, int); +int bch2_dirent_create(struct bch_fs *c, u64, const struct bch_hash_info *, + u8, const struct qstr *, u64, u64 *, int); + +int __bch2_dirent_delete(struct btree_trans *, u64, + const struct bch_hash_info *, + const struct qstr *); +int bch2_dirent_delete(struct bch_fs *, u64, const struct bch_hash_info *, + const struct qstr *, u64 *); + +enum bch_rename_mode { + BCH_RENAME, + BCH_RENAME_OVERWRITE, + BCH_RENAME_EXCHANGE, +}; + +int bch2_dirent_rename(struct btree_trans *, + struct bch_inode_info *, const struct qstr *, + struct bch_inode_info *, const struct qstr *, + enum bch_rename_mode); + +u64 bch2_dirent_lookup(struct bch_fs *, u64, const struct bch_hash_info *, + const struct qstr *); + +int bch2_empty_dir(struct bch_fs *, u64); +int bch2_readdir(struct bch_fs *, struct file *, struct dir_context *); + +#endif /* _BCACHEFS_DIRENT_H */ -- cgit v1.2.3