[PATCH] misc fixes

- remove accidental debug code from ext3 commit.

- /proc/profile documentation fix (Randy Dunlap)

- use sb_breadahead() in ext2_preread_inode()

- unused var in mpage_writepages()

Documentation/kernel-parameters.txt

@@ -772,7 +772,7 @@ running once the system is up.
 			Ranges are in pairs (memory base and size).
 
 	profile=	[KNL] Enable kernel profiling via /proc/profile
-			Format: <log_level>
+			(param: profile step/bucket size as a power of 2)
 
 	prompt_ramdisk=	[RAM] List of RAM disks to prompt for floppy disk
 			before loading.

fs/ext2/ialloc.c

@@ -235,10 +235,7 @@ static void ext2_preread_inode(struct inode *inode)
 				EXT2_INODE_SIZE(inode->i_sb);
 	block = le32_to_cpu(gdp->bg_inode_table) +
 				(offset >> EXT2_BLOCK_SIZE_BITS(inode->i_sb));
-	bh = sb_getblk(inode->i_sb, block);
-	if (!buffer_uptodate(bh) && !buffer_locked(bh))
-		ll_rw_block(READA, 1, &bh);
-	__brelse(bh);
+	sb_breadahead(inode->i_sb, block);
 }
 
 /*

fs/jbd/commit.c

@@ -169,23 +169,10 @@ void journal_commit_transaction(journal_t *journal)
 	 * that multiple journal_get_write_access() calls to the same
 	 * buffer are perfectly permissable.
 	 */
-	{
-		int nr = 0;
-		while (commit_transaction->t_reserved_list) {
-			jh = commit_transaction->t_reserved_list;
-			JBUFFER_TRACE(jh, "reserved, unused: refile");
-			journal_refile_buffer(journal, jh);
-			nr++;
-		}
-		if (nr) {
-			static int noisy;
-
-			if (noisy < 10) {
-				noisy++;
-				printk("%s: freed %d reserved buffers\n",
-					__FUNCTION__, nr);
-			}
-		}
+	while (commit_transaction->t_reserved_list) {
+		jh = commit_transaction->t_reserved_list;
+		JBUFFER_TRACE(jh, "reserved, unused: refile");
+		journal_refile_buffer(journal, jh);
 	}
 
 	/*

fs/mpage.c

@@ -614,7 +614,6 @@ mpage_writepages(struct address_space *mapping,
 	sector_t last_block_in_bio = 0;
 	int ret = 0;
 	int done = 0;
-	struct pagevec pvec;
 	int (*writepage)(struct page *page, struct writeback_control *wbc);
 
 	if (wbc->nonblocking && bdi_write_congested(bdi)) {
@@ -626,7 +625,6 @@ mpage_writepages(struct address_space *mapping,
 	if (get_block == NULL)
 		writepage = mapping->a_ops->writepage;
 
-	pagevec_init(&pvec, 0);
 	spin_lock(&mapping->page_lock);
 	while (!list_empty(&mapping->io_pages) && !done) {
 		struct page *page = list_entry(mapping->io_pages.prev,