diff options
Diffstat (limited to 'fs/bcachefs/journal_seq_blacklist.c')
| -rw-r--r-- | fs/bcachefs/journal_seq_blacklist.c | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/fs/bcachefs/journal_seq_blacklist.c b/fs/bcachefs/journal_seq_blacklist.c index 10bd23e969d2..428377e73a8d 100644 --- a/fs/bcachefs/journal_seq_blacklist.c +++ b/fs/bcachefs/journal_seq_blacklist.c @@ -189,27 +189,34 @@ int bch2_blacklist_table_initialize(struct bch_fs *c) return 0; } -static const char * -bch2_sb_journal_seq_blacklist_validate(struct bch_sb *sb, - struct bch_sb_field *f) +static int bch2_sb_journal_seq_blacklist_validate(struct bch_sb *sb, + struct bch_sb_field *f, + struct printbuf *err) { struct bch_sb_field_journal_seq_blacklist *bl = field_to_type(f, journal_seq_blacklist); - struct journal_seq_blacklist_entry *i; - unsigned nr = blacklist_nr_entries(bl); + unsigned i, nr = blacklist_nr_entries(bl); - for (i = bl->start; i < bl->start + nr; i++) { - if (le64_to_cpu(i->start) >= - le64_to_cpu(i->end)) - return "entry start >= end"; - - if (i + 1 < bl->start + nr && - le64_to_cpu(i[0].end) > - le64_to_cpu(i[1].start)) - return "entries out of order"; + for (i = 0; i < nr; i++) { + struct journal_seq_blacklist_entry *e = bl->start + i; + + if (le64_to_cpu(e->start) >= + le64_to_cpu(e->end)) { + pr_buf(err, "entry %u start >= end (%llu >= %llu)", + i, le64_to_cpu(e->start), le64_to_cpu(e->end)); + return -EINVAL; + } + + if (i + 1 < nr && + le64_to_cpu(e[0].end) > + le64_to_cpu(e[1].start)) { + pr_buf(err, "entry %u out of order with next entry (%llu > %llu)", + i + 1, le64_to_cpu(e[0].end), le64_to_cpu(e[1].start)); + return -EINVAL; + } } - return NULL; + return 0; } static void bch2_sb_journal_seq_blacklist_to_text(struct printbuf *out, |