Commit 9c28cbcc authored by Jan Kara's avatar Jan Kara
Browse files

jbd: Journal block numbers can ever be only 32-bit use unsigned int for them 



It does not make sense to store block number for journal as unsigned long
since they can be only 32-bit (because of on-disk format limitation). So
change in-memory structures and variables to use unsigned int instead.

Signed-off-by: default avatarJan Kara <jack@suse.cz>
parent 19003c18

fs/jbd/checkpoint.c

+3 −3
Original line number Diff line number Diff line
@@ -456,7 +456,7 @@ int cleanup_journal_tail(journal_t *journal) 
{

	transaction_t * transaction;

	tid_t		first_tid;

	unsigned long	blocknr, freed;

	unsigned int	blocknr, freed;



	if (is_journal_aborted(journal))

		return 1;
@@ -502,8 +502,8 @@ int cleanup_journal_tail(journal_t *journal) 
		freed = freed + journal->j_last - journal->j_first;



	jbd_debug(1,

		  "Cleaning journal tail from %d to %d (offset %lu), "

		  "freeing %lu\n",

		  "Cleaning journal tail from %d to %d (offset %u), "

		  "freeing %u\n",

		  journal->j_tail_sequence, first_tid, blocknr, freed);



	journal->j_free += freed;

fs/jbd/commit.c

+1 −1
Original line number Diff line number Diff line
@@ -308,7 +308,7 @@ void journal_commit_transaction(journal_t *journal) 
	int bufs;

	int flags;

	int err;

	unsigned long blocknr;

	unsigned int blocknr;

	ktime_t start_time;

	u64 commit_time;

	char *tagp = NULL;

fs/jbd/journal.c

+15 −15
Original line number Diff line number Diff line
@@ -276,7 +276,7 @@ static void journal_kill_thread(journal_t *journal) 
int journal_write_metadata_buffer(transaction_t *transaction,

				  struct journal_head  *jh_in,

				  struct journal_head **jh_out,

				  unsigned long blocknr)

				  unsigned int blocknr)

{

	int need_copy_out = 0;

	int done_copy_out = 0;
@@ -567,9 +567,9 @@ int log_wait_commit(journal_t *journal, tid_t tid) 
 * Log buffer allocation routines:

 */



int journal_next_log_block(journal_t *journal, unsigned long *retp)

int journal_next_log_block(journal_t *journal, unsigned int *retp)

{

	unsigned long blocknr;

	unsigned int blocknr;



	spin_lock(&journal->j_state_lock);

	J_ASSERT(journal->j_free > 1);
@@ -590,11 +590,11 @@ int journal_next_log_block(journal_t *journal, unsigned long *retp) 
 * this is a no-op.  If needed, we can use j_blk_offset - everything is

 * ready.

 */

int journal_bmap(journal_t *journal, unsigned long blocknr,

		 unsigned long *retp)

int journal_bmap(journal_t *journal, unsigned int blocknr,

		 unsigned int *retp)

{

	int err = 0;

	unsigned long ret;

	unsigned int ret;



	if (journal->j_inode) {

		ret = bmap(journal->j_inode, blocknr);
@@ -604,7 +604,7 @@ int journal_bmap(journal_t *journal, unsigned long blocknr, 
			char b[BDEVNAME_SIZE];



			printk(KERN_ALERT "%s: journal block not found "

					"at offset %lu on %s\n",

					"at offset %u on %s\n",

				__func__,

				blocknr,

				bdevname(journal->j_dev, b));
@@ -630,7 +630,7 @@ int journal_bmap(journal_t *journal, unsigned long blocknr, 
struct journal_head *journal_get_descriptor_buffer(journal_t *journal)

{

	struct buffer_head *bh;

	unsigned long blocknr;

	unsigned int blocknr;

	int err;



	err = journal_next_log_block(journal, &blocknr);
@@ -774,7 +774,7 @@ journal_t * journal_init_inode (struct inode *inode) 
	journal_t *journal = journal_init_common();

	int err;

	int n;

	unsigned long blocknr;

	unsigned int blocknr;



	if (!journal)

		return NULL;
@@ -846,12 +846,12 @@ static void journal_fail_superblock (journal_t *journal) 
static int journal_reset(journal_t *journal)

{

	journal_superblock_t *sb = journal->j_superblock;

	unsigned long first, last;

	unsigned int first, last;



	first = be32_to_cpu(sb->s_first);

	last = be32_to_cpu(sb->s_maxlen);

	if (first + JFS_MIN_JOURNAL_BLOCKS > last + 1) {

		printk(KERN_ERR "JBD: Journal too short (blocks %lu-%lu).\n",

		printk(KERN_ERR "JBD: Journal too short (blocks %u-%u).\n",

		       first, last);

		journal_fail_superblock(journal);

		return -EINVAL;
@@ -885,7 +885,7 @@ static int journal_reset(journal_t *journal) 
 **/

int journal_create(journal_t *journal)

{

	unsigned long blocknr;

	unsigned int blocknr;

	struct buffer_head *bh;

	journal_superblock_t *sb;

	int i, err;
@@ -969,14 +969,14 @@ void journal_update_superblock(journal_t *journal, int wait) 
	if (sb->s_start == 0 && journal->j_tail_sequence ==

				journal->j_transaction_sequence) {

		jbd_debug(1,"JBD: Skipping superblock update on recovered sb "

			"(start %ld, seq %d, errno %d)\n",

			"(start %u, seq %d, errno %d)\n",

			journal->j_tail, journal->j_tail_sequence,

			journal->j_errno);

		goto out;

	}



	spin_lock(&journal->j_state_lock);

	jbd_debug(1,"JBD: updating superblock (start %ld, seq %d, errno %d)\n",

	jbd_debug(1,"JBD: updating superblock (start %u, seq %d, errno %d)\n",

		  journal->j_tail, journal->j_tail_sequence, journal->j_errno);



	sb->s_sequence = cpu_to_be32(journal->j_tail_sequence);
@@ -1371,7 +1371,7 @@ int journal_flush(journal_t *journal) 
{

	int err = 0;

	transaction_t *transaction = NULL;

	unsigned long old_tail;

	unsigned int old_tail;



	spin_lock(&journal->j_state_lock);

fs/jbd/recovery.c

+9 −9
Original line number Diff line number Diff line
@@ -70,7 +70,7 @@ static int do_readahead(journal_t *journal, unsigned int start) 
{

	int err;

	unsigned int max, nbufs, next;

	unsigned long blocknr;

	unsigned int blocknr;

	struct buffer_head *bh;



	struct buffer_head * bufs[MAXBUF];
@@ -132,7 +132,7 @@ static int jread(struct buffer_head **bhp, journal_t *journal, 
		 unsigned int offset)

{

	int err;

	unsigned long blocknr;

	unsigned int blocknr;

	struct buffer_head *bh;



	*bhp = NULL;
@@ -314,7 +314,7 @@ static int do_one_pass(journal_t *journal, 
			struct recovery_info *info, enum passtype pass)

{

	unsigned int		first_commit_ID, next_commit_ID;

	unsigned long		next_log_block;

	unsigned int		next_log_block;

	int			err, success = 0;

	journal_superblock_t *	sb;

	journal_header_t *	tmp;
@@ -367,14 +367,14 @@ static int do_one_pass(journal_t *journal, 
			if (tid_geq(next_commit_ID, info->end_transaction))

				break;



		jbd_debug(2, "Scanning for sequence ID %u at %lu/%lu\n",

		jbd_debug(2, "Scanning for sequence ID %u at %u/%u\n",

			  next_commit_ID, next_log_block, journal->j_last);



		/* Skip over each chunk of the transaction looking

		 * either the next descriptor block or the final commit

		 * record. */



		jbd_debug(3, "JBD: checking block %ld\n", next_log_block);

		jbd_debug(3, "JBD: checking block %u\n", next_log_block);

		err = jread(&bh, journal, next_log_block);

		if (err)

			goto failed;
@@ -429,7 +429,7 @@ static int do_one_pass(journal_t *journal, 
			tagp = &bh->b_data[sizeof(journal_header_t)];

			while ((tagp - bh->b_data +sizeof(journal_block_tag_t))

			       <= journal->j_blocksize) {

				unsigned long io_block;

				unsigned int io_block;



				tag = (journal_block_tag_t *) tagp;

				flags = be32_to_cpu(tag->t_flags);
@@ -443,10 +443,10 @@ static int do_one_pass(journal_t *journal, 
					success = err;

					printk (KERN_ERR

						"JBD: IO error %d recovering "

						"block %ld in log\n",

						"block %u in log\n",

						err, io_block);

				} else {

					unsigned long blocknr;

					unsigned int blocknr;



					J_ASSERT(obh != NULL);

					blocknr = be32_to_cpu(tag->t_blocknr);
@@ -581,7 +581,7 @@ static int scan_revoke_records(journal_t *journal, struct buffer_head *bh, 
	max = be32_to_cpu(header->r_count);



	while (offset < max) {

		unsigned long blocknr;

		unsigned int blocknr;

		int err;



		blocknr = be32_to_cpu(* ((__be32 *) (bh->b_data+offset)));

fs/jbd/revoke.c

+8 −8
Original line number Diff line number Diff line
@@ -101,7 +101,7 @@ struct jbd_revoke_record_s 
{

	struct list_head  hash;

	tid_t		  sequence;	/* Used for recovery only */

	unsigned long	  blocknr;

	unsigned int	  blocknr;

};
@@ -126,7 +126,7 @@ static void flush_descriptor(journal_t *, struct journal_head *, int, int); 
/* Utility functions to maintain the revoke table */



/* Borrowed from buffer.c: this is a tried and tested block hash function */

static inline int hash(journal_t *journal, unsigned long block)

static inline int hash(journal_t *journal, unsigned int block)

{

	struct jbd_revoke_table_s *table = journal->j_revoke;

	int hash_shift = table->hash_shift;
@@ -136,7 +136,7 @@ static inline int hash(journal_t *journal, unsigned long block) 
		(block << (hash_shift - 12))) & (table->hash_size - 1);

}



static int insert_revoke_hash(journal_t *journal, unsigned long blocknr,

static int insert_revoke_hash(journal_t *journal, unsigned int blocknr,

			      tid_t seq)

{

	struct list_head *hash_list;
@@ -166,7 +166,7 @@ oom: 
/* Find a revoke record in the journal's hash table. */



static struct jbd_revoke_record_s *find_revoke_record(journal_t *journal,

						      unsigned long blocknr)

						      unsigned int blocknr)

{

	struct list_head *hash_list;

	struct jbd_revoke_record_s *record;
@@ -332,7 +332,7 @@ void journal_destroy_revoke(journal_t *journal) 
 * by one.

 */



int journal_revoke(handle_t *handle, unsigned long blocknr,

int journal_revoke(handle_t *handle, unsigned int blocknr,

		   struct buffer_head *bh_in)

{

	struct buffer_head *bh = NULL;
@@ -401,7 +401,7 @@ int journal_revoke(handle_t *handle, unsigned long blocknr, 
		}

	}



	jbd_debug(2, "insert revoke for block %lu, bh_in=%p\n", blocknr, bh_in);

	jbd_debug(2, "insert revoke for block %u, bh_in=%p\n", blocknr, bh_in);

	err = insert_revoke_hash(journal, blocknr,

				handle->h_transaction->t_tid);

	BUFFER_TRACE(bh_in, "exit");
@@ -644,7 +644,7 @@ static void flush_descriptor(journal_t *journal, 
 */



int journal_set_revoke(journal_t *journal,

		       unsigned long blocknr,

		       unsigned int blocknr,

		       tid_t sequence)

{

	struct jbd_revoke_record_s *record;
@@ -668,7 +668,7 @@ int journal_set_revoke(journal_t *journal, 
 */



int journal_test_revoke(journal_t *journal,

			unsigned long blocknr,

			unsigned int blocknr,

			tid_t sequence)

{

	struct jbd_revoke_record_s *record;

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