reiserfs: convert j_flush_sem to mutex

[firefly-linux-kernel-4.4.55.git] / fs / reiserfs / journal.c

diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 0f7b1e807e60df0f0b8647ef1be0203c0f7bca62..3cb4a562030e0957b45e41afdbb1f587c2ac1ca4 100644 (file)
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -1411,8 +1411,8 @@ static int flush_journal_list(struct super_block *s,
 
        /* if flushall == 0, the lock is already held */
        if (flushall) {
-               down(&journal->j_flush_sem);
-       } else if (!down_trylock(&journal->j_flush_sem)) {
+               mutex_lock(&journal->j_flush_mutex);
+       } else if (mutex_trylock(&journal->j_flush_mutex)) {
                BUG();
        }
 
@@ -1642,7 +1642,7 @@ static int flush_journal_list(struct super_block *s,
        jl->j_state = 0;
        put_journal_list(s, jl);
        if (flushall)
-               up(&journal->j_flush_sem);
+               mutex_unlock(&journal->j_flush_mutex);
        put_fs_excl();
        return err;
 }
@@ -1772,12 +1772,12 @@ static int kupdate_transactions(struct super_block *s,
        struct reiserfs_journal *journal = SB_JOURNAL(s);
        chunk.nr = 0;
 
-       down(&journal->j_flush_sem);
+       mutex_lock(&journal->j_flush_mutex);
        if (!journal_list_still_alive(s, orig_trans_id)) {
                goto done;
        }
 
-       /* we've got j_flush_sem held, nobody is going to delete any
+       /* we've got j_flush_mutex held, nobody is going to delete any
         * of these lists out from underneath us
         */
        while ((num_trans && transactions_flushed < num_trans) ||
@@ -1812,7 +1812,7 @@ static int kupdate_transactions(struct super_block *s,
        }
 
       done:
-       up(&journal->j_flush_sem);
+       mutex_unlock(&journal->j_flush_mutex);
        return ret;
 }
 
@@ -2838,7 +2838,7 @@ int journal_init(struct super_block *p_s_sb, const char *j_dev_name,
        journal->j_first = NULL;
        init_waitqueue_head(&(journal->j_join_wait));
        mutex_init(&journal->j_mutex);
-       sema_init(&journal->j_flush_sem, 1);
+       mutex_init(&journal->j_flush_mutex);
 
        journal->j_trans_id = 10;
        journal->j_mount_id = 10;