Merge commit 'perf/core' into perf/hw-breakpoint

Conflicts:
	kernel/Makefile
	kernel/trace/Makefile
	kernel/trace/trace.h
	samples/Makefile

Merge reason: We need to be uptodate with the perf events development
branch because we plan to rewrite the breakpoints API on top of
perf events.

6 files changed, 41 insertions, 40 deletions

diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c
index 61f32f3868c..b0435dd0654 100644
--- a/fs/jbd/checkpoint.c
+++ b/fs/jbd/checkpoint.c
@@ -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;
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index 618e21c0b7a..4bd882548c4 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -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;
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index f96f85092d1..bd3c073b485 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -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);
 
diff --git a/fs/jbd/recovery.c b/fs/jbd/recovery.c
index db5e982c5dd..cb1a49ae605 100644
--- a/fs/jbd/recovery.c
+++ b/fs/jbd/recovery.c
@@ -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)));
diff --git a/fs/jbd/revoke.c b/fs/jbd/revoke.c
index da6cd9bdaab..ad717328343 100644
--- a/fs/jbd/revoke.c
+++ b/fs/jbd/revoke.c
@@ -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;
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index c03ac11f74b..006f9ad838a 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -56,7 +56,8 @@ get_transaction(journal_t *journal, transaction_t *transaction)
 	spin_lock_init(&transaction->t_handle_lock);
 
 	/* Set up the commit timer for the new transaction. */
-	journal->j_commit_timer.expires = round_jiffies(transaction->t_expires);
+	journal->j_commit_timer.expires =
+				round_jiffies_up(transaction->t_expires);
 	add_timer(&journal->j_commit_timer);
 
 	J_ASSERT(journal->j_running_transaction == NULL);
@@ -228,6 +229,8 @@ repeat_locked:
 		  __log_space_left(journal));
 	spin_unlock(&transaction->t_handle_lock);
 	spin_unlock(&journal->j_state_lock);
+
+	lock_map_acquire(&handle->h_lockdep_map);
 out:
 	if (unlikely(new_transaction))		/* It's usually NULL */
 		kfree(new_transaction);
@@ -292,9 +295,6 @@ handle_t *journal_start(journal_t *journal, int nblocks)
 		handle = ERR_PTR(err);
 		goto out;
 	}
-
-	lock_map_acquire(&handle->h_lockdep_map);
-
 out:
 	return handle;
 }
@@ -416,6 +416,7 @@ int journal_restart(handle_t *handle, int nblocks)
 	__log_start_commit(journal, transaction->t_tid);
 	spin_unlock(&journal->j_state_lock);
 
+	lock_map_release(&handle->h_lockdep_map);
 	handle->h_buffer_credits = nblocks;
 	ret = start_this_handle(journal, handle);
 	return ret;