diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/jbd2/journal.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 382c030cc78b..37e16d969925 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1350,6 +1350,10 @@ static int jbd2_write_superblock(journal_t *journal, int write_flags) journal_superblock_t *sb = journal->j_superblock; int ret; + /* Buffer got discarded which means block device got invalidated */ + if (!buffer_mapped(bh)) + return -EIO; + trace_jbd2_write_superblock(journal, write_flags); if (!(journal->j_flags & JBD2_BARRIER)) write_flags &= ~(REQ_FUA | REQ_PREFLUSH); |