Update bcachefs sources to 7f938192650f bcachefs: darray_find(), darray_find_p()

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

1 files changed, 37 insertions, 0 deletions

diff --git a/libbcachefs/inode.c b/libbcachefs/inode.c
index dbcb95ad..5b35dae8 100644
--- a/libbcachefs/inode.c
+++ b/libbcachefs/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"
@@ -1254,6 +1255,41 @@ 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 bch2_maybe_propagate_has_case_insensitive(trans, inum, bi);
+#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;
@@ -1497,5 +1533,6 @@ again:
 		goto again;
 err:
 	bch2_trans_put(trans);
+	bch_err_fn(c, ret);
 	return ret;
 }