#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
-#include <linux/smp_lock.h>
/*
* Default IO end handler for temporary BJ_IO buffer_heads.
bufs = 0;
goto write_out_data;
}
- }
- else {
+ } else if (!locked && buffer_locked(bh)) {
+ __jbd2_journal_file_buffer(jh, commit_transaction,
+ BJ_Locked);
+ jbd_unlock_bh_state(bh);
+ put_bh(bh);
+ } else {
BUFFER_TRACE(bh, "writeout complete: unfile");
__jbd2_journal_unfile_buffer(jh);
jbd_unlock_bh_state(bh);
journal_do_submit_data(wbuf, bufs);
}
+static inline void write_tag_block(int tag_bytes, journal_block_tag_t *tag,
+ unsigned long long block)
+{
+ tag->t_blocknr = cpu_to_be32(block & (u32)~0);
+ if (tag_bytes > JBD_TAG_SIZE32)
+ tag->t_blocknr_high = cpu_to_be32((block >> 31) >> 1);
+}
+
/*
* jbd2_journal_commit_transaction
*
int bufs;
int flags;
int err;
- unsigned long blocknr;
+ unsigned long long blocknr;
char *tagp = NULL;
journal_header_t *header;
journal_block_tag_t *tag = NULL;
int first_tag = 0;
int tag_flag;
int i;
+ int tag_bytes = journal_tag_bytes(journal);
/*
* First job: lock down the current transaction and wait for
tag_flag |= JBD2_FLAG_SAME_UUID;
tag = (journal_block_tag_t *) tagp;
- tag->t_blocknr = cpu_to_be32(jh2bh(jh)->b_blocknr);
+ write_tag_block(tag_bytes, tag, jh2bh(jh)->b_blocknr);
tag->t_flags = cpu_to_be32(tag_flag);
- tagp += sizeof(journal_block_tag_t);
- space_left -= sizeof(journal_block_tag_t);
+ tagp += tag_bytes;
+ space_left -= tag_bytes;
if (first_tag) {
memcpy (tagp, journal->j_uuid, 16);
if (bufs == journal->j_wbufsize ||
commit_transaction->t_buffers == NULL ||
- space_left < sizeof(journal_block_tag_t) + 16) {
+ space_left < tag_bytes + 16) {
jbd_debug(4, "JBD: Submit %d IOs\n", bufs);