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: Jan Kara <jack@suse.cz>
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index f96f850..bd3c073 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -276,7 +276,7 @@
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 @@
* 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 @@
* 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 @@
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 @@
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 = journal_init_common();
int err;
int n;
- unsigned long blocknr;
+ unsigned int blocknr;
if (!journal)
return NULL;
@@ -846,12 +846,12 @@
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 @@
**/
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 @@
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 err = 0;
transaction_t *transaction = NULL;
- unsigned long old_tail;
+ unsigned int old_tail;
spin_lock(&journal->j_state_lock);