diff options
Diffstat (limited to 'fs/jbd2/journal.c')
| -rw-r--r-- | fs/jbd2/journal.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 81e622681c82..28d05bd9a588 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -805,10 +805,13 @@ int jbd2_journal_bmap(journal_t *journal, unsigned long blocknr, * But we don't bother doing that, so there will be coherency problems with * mmaps of blockdevs which hold live JBD-controlled filesystems. */ -struct buffer_head *jbd2_journal_get_descriptor_buffer(journal_t *journal) +struct buffer_head * +jbd2_journal_get_descriptor_buffer(transaction_t *transaction, int type) { + journal_t *journal = transaction->t_journal; struct buffer_head *bh; unsigned long long blocknr; + journal_header_t *header; int err; err = jbd2_journal_next_log_block(journal, &blocknr); @@ -821,6 +824,10 @@ struct buffer_head *jbd2_journal_get_descriptor_buffer(journal_t *journal) return NULL; lock_buffer(bh); memset(bh->b_data, 0, journal->j_blocksize); + header = (journal_header_t *)bh->b_data; + header->h_magic = cpu_to_be32(JBD2_MAGIC_NUMBER); + header->h_blocktype = cpu_to_be32(type); + header->h_sequence = cpu_to_be32(transaction->t_tid); set_buffer_uptodate(bh); unlock_buffer(bh); BUFFER_TRACE(bh, "return this buffer"); |