diff options
Diffstat (limited to 'fs/bcachefs/inode.c')
| -rw-r--r-- | fs/bcachefs/inode.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c index b51d98cf8a80..490b85841de9 100644 --- a/fs/bcachefs/inode.c +++ b/fs/bcachefs/inode.c @@ -14,6 +14,7 @@ #include "extent_update.h" #include "fs.h" #include "inode.h" +#include "namei.h" #include "opts.h" #include "str_hash.h" #include "snapshot.h" @@ -1204,6 +1205,41 @@ int bch2_inum_opts_get(struct btree_trans *trans, subvol_inum inum, struct bch_i return 0; } +int bch2_inode_set_casefold(struct btree_trans *trans, subvol_inum inum, + struct bch_inode_unpacked *bi, unsigned v) +{ + struct bch_fs *c = trans->c; + +#ifdef CONFIG_UNICODE + int ret = 0; + /* Not supported on individual files. */ + if (!S_ISDIR(bi->bi_mode)) + return -EOPNOTSUPP; + + /* + * Make sure the dir is empty, as otherwise we'd need to + * rehash everything and update the dirent keys. + */ + ret = bch2_empty_dir_trans(trans, inum); + if (ret < 0) + return ret; + + ret = bch2_request_incompat_feature(c, bcachefs_metadata_version_casefolding); + if (ret) + return ret; + + bch2_check_set_feature(c, BCH_FEATURE_casefolding); + + bi->bi_casefold = v + 1; + bi->bi_fields_set |= BIT(Inode_opt_casefold); + + return 0; +#else + bch_err(c, "Cannot use casefolding on a kernel without CONFIG_UNICODE"); + return -EOPNOTSUPP; +#endif +} + static noinline int __bch2_inode_rm_snapshot(struct btree_trans *trans, u64 inum, u32 snapshot) { struct bch_fs *c = trans->c; |