bcachefs: fix integer conversion bug

Kent Overstreet · Kent Overstreet · commit c258c08add1c · 2024-04-28T21:34:29.000-04:00
Signed-off-by: Kent Overstreet &lt;kent.overstreet@linux.dev&gt;
diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c
@@ -606,7 +606,7 @@ int bch2_trigger_inode(struct btree_trans *trans,
 		       struct bkey_s new,
 		       unsigned flags)
 {
-	s64 nr = bkey_is_inode(new.k) - bkey_is_inode(old.k);
+	s64 nr = (s64) bkey_is_inode(new.k) - (s64) bkey_is_inode(old.k);
 
 	if (flags & BTREE_TRIGGER_TRANSACTIONAL) {
 		if (nr) {

Original file line number	Diff line number	Diff line change
`@@ -606,7 +606,7 @@ int bch2_trigger_inode(struct btree_trans *trans,`
`606`	`606`	`struct bkey_s new,`
`607`	`607`	`unsigned flags)`
`608`	`608`	`{`
`609`		`- s64 nr = bkey_is_inode(new.k) - bkey_is_inode(old.k);`
	`609`	`+ s64 nr = (s64) bkey_is_inode(new.k) - (s64) bkey_is_inode(old.k);`
`610`	`610`
`611`	`611`	`if (flags & BTREE_TRIGGER_TRANSACTIONAL) {`
`612`	`612`	`if (nr) {`