ext4: enable mblk_io_submit by default

Now that we've fixed the file corruption bug in commit d50bdd5aa55,
it's time to enable mblk_io_submit by default.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index a665d2f..33c3987 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1038,8 +1038,8 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
            !(def_mount_opts & EXT4_DEFM_NODELALLOC))
                seq_puts(seq, ",nodelalloc");
 
-       if (test_opt(sb, MBLK_IO_SUBMIT))
-               seq_puts(seq, ",mblk_io_submit");
+       if (!test_opt(sb, MBLK_IO_SUBMIT))
+               seq_puts(seq, ",nomblk_io_submit");
        if (sbi->s_stripe)
                seq_printf(seq, ",stripe=%lu", sbi->s_stripe);
        /*
@@ -3099,6 +3099,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 #ifdef CONFIG_EXT4_FS_POSIX_ACL
        set_opt(sb, POSIX_ACL);
 #endif
+       set_opt(sb, MBLK_IO_SUBMIT);
        if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_DATA)
                set_opt(sb, JOURNAL_DATA);
        else if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_ORDERED)