]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - fs/jbd2/commit.c
via-velocity: lean and clean velocity_init_rings
[linux-2.6-omap-h63xx.git] / fs / jbd2 / commit.c
index c35bf16f44f45ca23717c8ec448cab03ffa1538f..a2ed72f7ceee78f529d9fbebb6a89b02cbd86f15 100644 (file)
@@ -148,6 +148,8 @@ static int journal_submit_commit_record(journal_t *journal,
                barrier_done = 1;
        }
        ret = submit_bh(WRITE, bh);
+       if (barrier_done)
+               clear_buffer_ordered(bh);
 
        /* is it possible for another commit to fail at roughly
         * the same time as this one?  If so, we don't want to
@@ -166,7 +168,7 @@ static int journal_submit_commit_record(journal_t *journal,
                spin_unlock(&journal->j_state_lock);
 
                /* And try again, without the barrier */
-               clear_buffer_ordered(bh);
+               lock_buffer(bh);
                set_buffer_uptodate(bh);
                set_buffer_dirty(bh);
                ret = submit_bh(WRITE, bh);
@@ -518,22 +520,6 @@ void jbd2_journal_commit_transaction(journal_t *journal)
 
        jbd_debug (3, "JBD: commit phase 2\n");
 
-       /*
-        * First, drop modified flag: all accesses to the buffers
-        * will be tracked for a new trasaction only -bzzz
-        */
-       spin_lock(&journal->j_list_lock);
-       if (commit_transaction->t_buffers) {
-               new_jh = jh = commit_transaction->t_buffers->b_tnext;
-               do {
-                       J_ASSERT_JH(new_jh, new_jh->b_modified == 1 ||
-                                       new_jh->b_modified == 0);
-                       new_jh->b_modified = 0;
-                       new_jh = new_jh->b_tnext;
-               } while (new_jh != jh);
-       }
-       spin_unlock(&journal->j_list_lock);
-
        /*
         * Now start flushing things to disk, in the order they appear
         * on the transaction lists.  Data blocks go first.
@@ -575,7 +561,9 @@ void jbd2_journal_commit_transaction(journal_t *journal)
         * transaction!  Now comes the tricky part: we need to write out
         * metadata.  Loop over the transaction's entire buffer list:
         */
+       spin_lock(&journal->j_state_lock);
        commit_transaction->t_state = T_COMMIT;
+       spin_unlock(&journal->j_state_lock);
 
        stats.u.run.rs_logging = jiffies;
        stats.u.run.rs_flushing = jbd2_time_diff(stats.u.run.rs_flushing,
@@ -583,6 +571,9 @@ void jbd2_journal_commit_transaction(journal_t *journal)
        stats.u.run.rs_blocks = commit_transaction->t_outstanding_credits;
        stats.u.run.rs_blocks_logged = 0;
 
+       J_ASSERT(commit_transaction->t_nr_buffers <=
+                commit_transaction->t_outstanding_credits);
+
        descriptor = NULL;
        bufs = 0;
        while (commit_transaction->t_buffers) {