From: Li Zefan <lizefan@huawei.com>
To: Mitch Harder <mitch.harder@sabayonlinux.org>
Cc: <linux-btrfs@vger.kernel.org>
Subject: Re: [PATCH v3 1/1] Btrfs: Check INCOMPAT flags on remount and add helper function
Date: Mon, 23 Jul 2012 09:15:55 +0800 [thread overview]
Message-ID: <500CA5CB.7070800@huawei.com> (raw)
In-Reply-To: <1342822601-18340-2-git-send-email-mitch.harder@sabayonlinux.org>
> diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
> index a0ee2f8..3a1a700 100644
> --- a/fs/btrfs/ctree.h
> +++ b/fs/btrfs/ctree.h
> @@ -3103,6 +3103,19 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
> struct btrfs_root *root, const char *function,
> unsigned int line, int errno);
>
> +static inline void btrfs_chk_lzo_incompat(struct btrfs_root *root)
Isn't btrfs_set_lzo_incompat() is a better name?
> +{
> + struct btrfs_super_block *disk_super;
> + u64 features;
> +
> + disk_super = root->fs_info->super_copy;
> + features = btrfs_super_incompat_flags(disk_super);
> + if (!(features & BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO)) {
> + features |= BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO;
> + btrfs_set_super_incompat_flags(disk_super, features);
> + }
> +}
> +
next prev parent reply other threads:[~2012-07-23 1:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-20 22:16 [PATCH v3 0/1] LZO INCOMPAT Checking Mitch Harder
2012-07-20 22:16 ` [PATCH v3 1/1] Btrfs: Check INCOMPAT flags on remount and add helper function Mitch Harder
2012-07-23 1:15 ` Li Zefan [this message]
2012-07-24 12:11 ` David Sterba
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