jbd2: Add recovery.c to the build

Add recovery.c to the jbd2 Makefile and update includes to use the ext4l
compatibility layer.

Add stubs for revoke.c functions that recovery.c depends on and tweak a
few so things build.

Fix sync_blockdev to return int instead of void.

Co-developed-by: Claude Opus 4.5 <noreply@anthropic.com>
Signed-off-by: Simon Glass <simon.glass@canonical.com>

fs/jbd2/Makefile

@@ -3,4 +3,4 @@
 # Makefile for JBD2 journaling layer (used by ext4l)
 #
 
-obj-y := checkpoint.o commit.o journal.o
+obj-y := checkpoint.o commit.o journal.o recovery.o

fs/jbd2/recovery.c

@@ -10,17 +10,8 @@
  * part of the ext2fs journaling system.
  */
 
-#ifndef __KERNEL__
-#include "jfs_user.h"
-#else
-#include <linux/time.h>
-#include <linux/fs.h>
+#include "../ext4l/ext4_uboot.h"
 #include <linux/jbd2.h>
-#include <linux/errno.h>
-#include <linux/crc32.h>
-#include <linux/blkdev.h>
-#include <linux/string_choices.h>
-#endif
 
 /*
  * Maintain information about the progress of the recovery job, so that
@@ -628,7 +619,7 @@ static int do_one_pass(journal_t *journal,
 			 * filesystems.
 			 */
 			hash_size = min(roundup_pow_of_two(info->nr_revokes / 8),
-					1U << 20);
+					1UL << 20);
 			journal->j_revoke =
 				jbd2_journal_init_revoke_table(hash_size);
 			if (!journal->j_revoke) {