On Jul 19, 2005 16:15 +0200, Adrian Bunk wrote:
> This patch contains the following cleanups:
> - make needlessly global functions static
> - journal.c: remove the unused global function __journal_internal_check
> and move the check to journal_init
> - remove the following write-only global variable:
> - journal.c: current_journal
> - remove the following unneeded EXPORT_SYMBOL:
> - journal.c: journal_recover
>
> Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>
Signed-off-by: Andreas Dilger <adilger@xxxxxxxxxxxxx>
> ---
>
> fs/jbd/journal.c | 34 ++++++++++++++--------------------
> fs/jbd/revoke.c | 3 ++-
> include/linux/jbd.h | 1 -
> 3 files changed, 16 insertions(+), 22 deletions(-)
>
> --- linux-2.6.12-rc6-mm1-full/include/linux/jbd.h.old 2005-06-14 03:58:20.000000000 +0200
> +++ linux-2.6.12-rc6-mm1-full/include/linux/jbd.h 2005-06-14 04:00:56.000000000 +0200
> @@ -914,7 +912,6 @@
> extern int journal_skip_recovery (journal_t *);
> extern void journal_update_superblock (journal_t *, int);
> extern void __journal_abort_hard (journal_t *);
> -extern void __journal_abort_soft (journal_t *, int);
> extern void journal_abort (journal_t *, int);
> extern int journal_errno (journal_t *);
> extern void journal_ack_err (journal_t *);
> --- linux-2.6.12-rc6-mm1-full/fs/jbd/revoke.c.old 2005-06-14 03:58:36.000000000 +0200
> +++ linux-2.6.12-rc6-mm1-full/fs/jbd/revoke.c 2005-06-14 03:58:41.000000000 +0200
> @@ -116,7 +116,8 @@
> (block << (hash_shift - 12))) & (table->hash_size - 1);
> }
>
> -int insert_revoke_hash(journal_t *journal, unsigned long blocknr, tid_t seq)
> +static int insert_revoke_hash(journal_t *journal, unsigned long blocknr,
> + tid_t seq)
> {
> struct list_head *hash_list;
> struct jbd_revoke_record_s *record;
>
> --- linux-2.6.13-rc3-mm1-full/fs/jbd/journal.c.old 2005-07-19 15:53:16.000000000 +0200
> +++ linux-2.6.13-rc3-mm1-full/fs/jbd/journal.c 2005-07-19 15:53:39.000000000 +0200
> @@ -65,7 +65,6 @@ EXPORT_SYMBOL(journal_set_features);
> EXPORT_SYMBOL(journal_create);
> EXPORT_SYMBOL(journal_load);
> EXPORT_SYMBOL(journal_destroy);
> -EXPORT_SYMBOL(journal_recover);
> EXPORT_SYMBOL(journal_update_superblock);
> EXPORT_SYMBOL(journal_abort);
> EXPORT_SYMBOL(journal_errno);
> @@ -81,6 +80,7 @@ EXPORT_SYMBOL(journal_try_to_free_buffer
> EXPORT_SYMBOL(journal_force_commit);
>
> static int journal_convert_superblock_v1(journal_t *, journal_superblock_t *);
> +static void __journal_abort_soft (journal_t *journal, int errno);
>
> /*
> * Helper function used to manage commit timeouts
> @@ -93,16 +93,6 @@ static void commit_timeout(unsigned long
> wake_up_process(p);
> }
>
> -/* Static check for data structure consistency. There's no code
> - * invoked --- we'll just get a linker failure if things aren't right.
> - */
> -void __journal_internal_check(void)
> -{
> - extern void journal_bad_superblock_size(void);
> - if (sizeof(struct journal_superblock_s) != 1024)
> - journal_bad_superblock_size();
> -}
> -
> /*
> * kjournald: The main thread function used to manage a logging device
> * journal.
> @@ -119,16 +109,12 @@ void __journal_internal_check(void)
> * known as checkpointing, and this thread is responsible for that job.
> */
>
> -journal_t *current_journal; // AKPM: debug
> -
> -int kjournald(void *arg)
> +static int kjournald(void *arg)
> {
> journal_t *journal = (journal_t *) arg;
> transaction_t *transaction;
> struct timer_list timer;
>
> - current_journal = journal;
> -
> daemonize("kjournald");
>
> /* Set up an interval timer which can be used to trigger a
> @@ -1441,7 +1427,7 @@ int journal_wipe(journal_t *journal, int
> * device this journal is present.
> */
>
> -const char *journal_dev_name(journal_t *journal, char *buffer)
> +static const char *journal_dev_name(journal_t *journal, char *buffer)
> {
> struct block_device *bdev;
>
> @@ -1487,7 +1473,7 @@ void __journal_abort_hard(journal_t *jou
>
> /* Soft abort: record the abort error status in the journal superblock,
> * but don't do any other IO. */
> -void __journal_abort_soft (journal_t *journal, int errno)
> +static void __journal_abort_soft (journal_t *journal, int errno)
> {
> if (journal->j_flags & JFS_ABORT)
> return;
> @@ -1890,7 +1876,7 @@ EXPORT_SYMBOL(journal_enable_debug);
>
> static struct proc_dir_entry *proc_jbd_debug;
>
> -int read_jbd_debug(char *page, char **start, off_t off,
> +static int read_jbd_debug(char *page, char **start, off_t off,
> int count, int *eof, void *data)
> {
> int ret;
> @@ -1900,7 +1886,7 @@ int read_jbd_debug(char *page, char **st
> return ret;
> }
>
> -int write_jbd_debug(struct file *file, const char __user *buffer,
> +static int write_jbd_debug(struct file *file, const char __user *buffer,
> unsigned long count, void *data)
> {
> char buf[32];
> @@ -1989,6 +1975,14 @@ static int __init journal_init(void)
> {
> int ret;
>
> +/* Static check for data structure consistency. There's no code
> + * invoked --- we'll just get a linker failure if things aren't right.
> + */
> + extern void journal_bad_superblock_size(void);
> + if (sizeof(struct journal_superblock_s) != 1024)
> + journal_bad_superblock_size();
> +
> +
> ret = journal_init_caches();
> if (ret != 0)
> journal_destroy_caches();
Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.
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