ANDROID: GKI: export some I/O tracepoints

Export some  tracepoints for vendor modules to track file
write processes related to user scenarios, and improve system
performance by increasing the I/O priority of critical file pages.

Bug: 395976123
Change-Id: I84d8734e18b51ed12bacee176820ddbe125a7ba0
Signed-off-by: Rui Chen <chenrui9@honor.com>

fs/f2fs/data.c

@@ -37,6 +37,9 @@ static struct bio_set f2fs_bioset;
 
 #define	F2FS_BIO_POOL_SIZE	NR_CURSEG_TYPE
 
+EXPORT_TRACEPOINT_SYMBOL_GPL(f2fs_write_begin);
+EXPORT_TRACEPOINT_SYMBOL_GPL(f2fs_submit_folio_write);
+
 int __init f2fs_init_bioset(void)
 {
 	return bioset_init(&f2fs_bioset, F2FS_BIO_POOL_SIZE,