Add a ->sync_fs method for data integrity syncs.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Index: vfs-2.6/fs/fat/inode.c
===================================================================
--- vfs-2.6.orig/fs/fat/inode.c 2009-06-05 16:13:39.945939714 +0200
+++ vfs-2.6/fs/fat/inode.c 2009-06-05 16:15:30.220939883 +0200
@@ -449,6 +449,16 @@ static void fat_write_super(struct super
unlock_super(sb);
}
+static int fat_sync_fs(struct super_block *sb, int wait)
+{
+ lock_super(sb);
+ fat_clusters_flush(sb);
+ sb->s_dirt = 0;
+ unlock_super(sb);
+
+ return 0;
+}
+
static void fat_put_super(struct super_block *sb)
{
struct msdos_sb_info *sbi = MSDOS_SB(sb);
@@ -641,6 +651,7 @@ static const struct super_operations fat
.delete_inode = fat_delete_inode,
.put_super = fat_put_super,
.write_super = fat_write_super,
+ .sync_fs = fat_sync_fs,
.statfs = fat_statfs,
.clear_inode = fat_clear_inode,
.remount_fs = fat_remount,
--
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