On Thu, Apr 12, 2012 at 2:32 PM, David Sterba <d...@jikos.cz> wrote:
> On Thu, Apr 12, 2012 at 02:09:08PM +0300, Kasatkin, Dmitry wrote:
>> Where is it? Can you please point out?
>
> http://permalink.gmane.org/gmane.comp.file-systems.btrfs/16662
>
> the relevant part:
>
> -- a/fs/btrfs/super.c
> +++ b/fs/btrfs/super.c
> @@ -770,7 +770,7 @@ static int btrfs_fill_super(struct super_block *sb,
> #ifdef CONFIG_BTRFS_FS_POSIX_ACL
> sb->s_flags |= MS_POSIXACL;
> #endif
> -
> + sb->s_flags |= MS_I_VERSION;
> err = open_ctree(sb, fs_devices, (char *)data);
> if (err) {
> printk("btrfs: open_ctree failed\n");
Hello,
FYI:
In fact just tried yesterday to use mount option "iversion" on 3.4-rc5
and it seems to work without
+ sb->s_flags |= MS_I_VERSION;
I checked that following is really happening in btrfs_update_time():
if (sync_it & S_VERSION)
inode_inc_iversion(inode);
I also put some prints to btrfs_mount and remount and see that
MS_I_VERSION is not set there yet.
Somehow magically it gets set...
- Dmitry
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