Commit 7fbc6df0 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Al Viro
Browse files

hfsplus: add ->sync_fs 



Add a ->sync_fs method for data integrity syncs, and reimplement
->write_super ontop of it.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 58bc5bbb

fs/hfsplus/super.c

+11 −5
Original line number Diff line number Diff line
@@ -152,7 +152,7 @@ static void hfsplus_clear_inode(struct inode *inode) 
	}

}



static void hfsplus_write_super(struct super_block *sb)

static int hfsplus_sync_fs(struct super_block *sb, int wait)

{

	struct hfsplus_vh *vhdr = HFSPLUS_SB(sb).s_vhdr;
@@ -160,9 +160,6 @@ static void hfsplus_write_super(struct super_block *sb) 


	lock_super(sb);

	sb->s_dirt = 0;

	if (sb->s_flags & MS_RDONLY)

		/* warn? */

		goto out;



	vhdr->free_blocks = cpu_to_be32(HFSPLUS_SB(sb).free_blocks);

	vhdr->next_alloc = cpu_to_be32(HFSPLUS_SB(sb).next_alloc);
@@ -194,8 +191,16 @@ static void hfsplus_write_super(struct super_block *sb) 
		}

		HFSPLUS_SB(sb).flags &= ~HFSPLUS_SB_WRITEBACKUP;

	}

 out:

	unlock_super(sb);

	return 0;

}



static void hfsplus_write_super(struct super_block *sb)

{

	if (!(sb->s_flags & MS_RDONLY))

		hfsplus_sync_fs(sb, 1);

	else

		sb->s_dirt = 0;

}



static void hfsplus_put_super(struct super_block *sb)
@@ -290,6 +295,7 @@ static const struct super_operations hfsplus_sops = { 
	.clear_inode	= hfsplus_clear_inode,

	.put_super	= hfsplus_put_super,

	.write_super	= hfsplus_write_super,

	.sync_fs	= hfsplus_sync_fs,

	.statfs		= hfsplus_statfs,

	.remount_fs	= hfsplus_remount,

	.show_options	= hfsplus_show_options,