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Commit 2df38135 authored by Paul Keith's avatar Paul Keith Committed by Andreas Schneider
Browse files

fs: sdfat: Add config option to register sdFAT for exFAT 



Change-Id: Id57abf0a4bd0b433fecc622eecb383cd4ea29d17
Signed-off-by: default avatarPaul Keith <javelinanddart@gmail.com>
parent f82a5dff

Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -15,6 +15,13 @@ config SDFAT_FS 
	  To compile this as a module, choose M here: the module will be called

	  sdfat_core and sdfat_fs.



config SDFAT_USE_FOR_EXFAT

	bool "Register sdFAT as exFAT"

	default y

	depends on SDFAT_FS && !EXFAT_FS

	help

	  If you want to register sdFAT as available for exFAT, say Y.



config SDFAT_DELAYED_META_DIRTY

	bool "Enable delayed metadata dirty"

	default y

sdfat.c

+25 −1
Original line number Diff line number Diff line
@@ -4975,6 +4975,20 @@ static struct file_system_type sdfat_fs_type = { 
	.fs_flags    = FS_REQUIRES_DEV,

};



#ifdef CONFIG_SDFAT_USE_FOR_EXFAT

static struct file_system_type exfat_fs_type = {

	.owner       = THIS_MODULE,

	.name        = "exfat",

	.mount       = sdfat_fs_mount,

#ifdef CONFIG_SDFAT_DBG_IOCTL

	.kill_sb    = sdfat_debug_kill_sb,

#else

	.kill_sb    = kill_block_super,

#endif /* CONFIG_SDFAT_DBG_IOCTL */

	.fs_flags    = FS_REQUIRES_DEV,

};

#endif /* CONFIG_SDFAT_USE_FOR_EXFAT */



static int __init init_sdfat_fs(void)

{

	int err;
@@ -5013,6 +5027,14 @@ static int __init init_sdfat_fs(void) 
		goto error;

	}



#ifdef CONFIG_SDFAT_USE_FOR_EXFAT

	err = register_filesystem(&exfat_fs_type);

	if (err) {

		pr_err("[SDFAT] failed to register for exfat filesystem\n");

		goto error;

	}

#endif /* CONFIG_SDFAT_USE_FOR_EXFAT */



	return 0;

error:

	sdfat_statistics_uninit();
@@ -5042,7 +5064,9 @@ static void __exit exit_sdfat_fs(void) 


	sdfat_destroy_inodecache();

	unregister_filesystem(&sdfat_fs_type);



#ifdef CONFIG_SDFAT_USE_FOR_EXFAT

	unregister_filesystem(&exfat_fs_type);

#endif /* CONFIG_SDFAT_USE_FOR_EXFAT */

	fsapi_shutdown();

}