return NULL;
}
-static int newer_jl_done(struct reiserfs_journal_cnode *cn)
-{
- struct super_block *sb = cn->sb;
- b_blocknr_t blocknr = cn->blocknr;
-
- cn = cn->hprev;
- while (cn) {
- if (cn->sb == sb && cn->blocknr == blocknr && cn->jlist &&
- atomic_read(&cn->jlist->j_commit_left) != 0)
- return 0;
- cn = cn->hprev;
- }
- return 1;
-}
-
static void remove_journal_hash(struct super_block *,
struct reiserfs_journal_cnode **,
struct reiserfs_journal_list *, unsigned long,
return err;
}
-static int test_transaction(struct super_block *s,
- struct reiserfs_journal_list *jl)
-{
- struct reiserfs_journal_cnode *cn;
-
- if (jl->j_len == 0 || atomic_read(&jl->j_nonzerolen) == 0)
- return 1;
-
- cn = jl->j_realblock;
- while (cn) {
- /* if the blocknr == 0, this has been cleared from the hash,
- ** skip it
- */
- if (cn->blocknr == 0) {
- goto next;
- }
- if (cn->bh && !newer_jl_done(cn))
- return 0;
- next:
- cn = cn->next;
- cond_resched();
- }
- return 0;
-}
-
static int write_one_transaction(struct super_block *s,
struct reiserfs_journal_list *jl,
struct buffer_chunk *chunk)
return 1;
}
-static void flush_old_journal_lists(struct super_block *s)
-{
- struct reiserfs_journal *journal = SB_JOURNAL(s);
- struct reiserfs_journal_list *jl;
- struct list_head *entry;
- time_t now = get_seconds();
-
- while (!list_empty(&journal->j_journal_list)) {
- entry = journal->j_journal_list.next;
- jl = JOURNAL_LIST_ENTRY(entry);
- /* this check should always be run, to send old lists to disk */
- if (jl->j_timestamp < (now - (JOURNAL_MAX_TRANS_AGE * 4)) &&
- atomic_read(&jl->j_commit_left) == 0 &&
- test_transaction(s, jl)) {
- flush_used_journal_lists(s, jl);
- } else {
- break;
- }
- }
-}
-
/*
** long and ugly. If flush, will not return until all commit
** blocks and all real buffers in the trans are on disk.
}
}
}
- flush_old_journal_lists(sb);
journal->j_current_jl->j_list_bitmap =
get_list_bitmap(sb, journal->j_current_jl);