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| author | Zhihao Cheng <chengzhihao1@huawei.com> | 2023-12-13 09:32:23 +0800 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2024-01-04 23:42:21 -0500 |
| commit | b4e73e61268903d82dacff2bc6f4bb766c6ed555 (patch) | |
| tree | 8b82c451a7d6fd53ebcebb7fb01e35b29b856f3a /fs/jbd2/transaction.c | |
| parent | 8a4fd33d879fb303b207f06ea6340d73f698c4ed (diff) | |
| download | linux-b4e73e61268903d82dacff2bc6f4bb766c6ed555.tar.gz | |
jbd2: abort journal when detecting metadata writeback error of fs dev
This is a replacement solution of commit bc71726c725767 ("ext4: abort
the filesystem if failed to async write metadata buffer"), JBD2 can
detect metadata writeback error of fs dev by 'j_fs_dev_wb_err'.
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20231213013224.2100050-5-chengzhihao1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/jbd2/transaction.c')
| -rw-r--r-- | fs/jbd2/transaction.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index 5f08b5fd105a3..cb0b8d6fc0c6d 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -1231,11 +1231,25 @@ out: int jbd2_journal_get_write_access(handle_t *handle, struct buffer_head *bh) { struct journal_head *jh; + journal_t *journal; int rc; if (is_handle_aborted(handle)) return -EROFS; + journal = handle->h_transaction->t_journal; + if (jbd2_check_fs_dev_write_error(journal)) { + /* + * If the fs dev has writeback errors, it may have failed + * to async write out metadata buffers in the background. + * In this case, we could read old data from disk and write + * it out again, which may lead to on-disk filesystem + * inconsistency. Aborting journal can avoid it happen. + */ + jbd2_journal_abort(journal, -EIO); + return -EIO; + } + if (jbd2_write_access_granted(handle, bh, false)) return 0; |