fs/reiserfs/journal.c: remove set but not used variables

Fixes gcc '-Wunused-but-set-variable' warning:

fs/reiserfs/journal.c: In function flush_older_commits:
fs/reiserfs/journal.c:894:15: warning: variable first_trans_id set but not used [-Wunused-but-set-variable]
fs/reiserfs/journal.c: In function flush_journal_list:
fs/reiserfs/journal.c:1354:38: warning: variable last set but not used [-Wunused-but-set-variable]
fs/reiserfs/journal.c: In function do_journal_release:
fs/reiserfs/journal.c:1916:6: warning: variable flushed set but not used [-Wunused-but-set-variable]
fs/reiserfs/journal.c: In function do_journal_end:
fs/reiserfs/journal.c:3993:6: warning: variable old_start set but not used [-Wunused-but-set-variable]

Link: http://lkml.kernel.org/r/1566379929-118398-2-git-send-email-zhengbin13@huawei.com
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 11155b8..75d9d52 100644 (file)
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -891,7 +891,6 @@ static int flush_older_commits(struct super_block *s,
        struct list_head *entry;
        unsigned int trans_id = jl->j_trans_id;
        unsigned int other_trans_id;
-       unsigned int first_trans_id;
 
 find_first:
        /*
@@ -914,8 +913,6 @@ find_first:
                return 0;
        }
 
-       first_trans_id = first_jl->j_trans_id;
-
        entry = &first_jl->j_list;
        while (1) {
                other_jl = JOURNAL_LIST_ENTRY(entry);
@@ -1351,7 +1348,7 @@ static int flush_journal_list(struct super_block *s,
                              struct reiserfs_journal_list *jl, int flushall)
 {
        struct reiserfs_journal_list *pjl;
-       struct reiserfs_journal_cnode *cn, *last;
+       struct reiserfs_journal_cnode *cn;
        int count;
        int was_jwait = 0;
        int was_dirty = 0;
@@ -1509,7 +1506,6 @@ static int flush_journal_list(struct super_block *s,
                                         b_blocknr, __func__);
                }
 free_cnode:
-               last = cn;
                cn = cn->next;
                if (saved_bh) {
                        /*
@@ -1911,7 +1907,6 @@ static int do_journal_release(struct reiserfs_transaction_handle *th,
                              struct super_block *sb, int error)
 {
        struct reiserfs_transaction_handle myth;
-       int flushed = 0;
        struct reiserfs_journal *journal = SB_JOURNAL(sb);
 
        /*
@@ -1933,7 +1928,6 @@ static int do_journal_release(struct reiserfs_transaction_handle *th,
                                                     1);
                        journal_mark_dirty(&myth, SB_BUFFER_WITH_SB(sb));
                        do_journal_end(&myth, FLUSH_ALL);
-                       flushed = 1;
                }
        }
 
@@ -3987,7 +3981,6 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, int flags)
        struct buffer_head *c_bh;       /* commit bh */
        struct buffer_head *d_bh;       /* desc bh */
        int cur_write_start = 0;        /* start index of current log write */
-       int old_start;
        int i;
        int flush;
        int wait_on_commit;
@@ -4244,7 +4237,6 @@ static int do_journal_end(struct reiserfs_transaction_handle *th, int flags)
        journal->j_num_work_lists++;
 
        /* reset journal values for the next transaction */
-       old_start = journal->j_start;
        journal->j_start =
            (journal->j_start + journal->j_len +
             2) % SB_ONDISK_JOURNAL_SIZE(sb);