On Wed, Sep 14, 2016 at 09:55:22AM +0800, Qu Wenruo wrote:
> Introduce _post_mount_hook(), which will be executed after mounting
> scratch/test.
>
> It's quite useful for fs(OK, only btrfs yet, again) which needs to
> use ioctl other than mount option to enable some of its feature.
Just implement a _btrfs_mount() function (similar to
_overlay_mount()) to do btrfs specific things at mount time.
> Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
> ---
> common/rc | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/common/rc b/common/rc
> index 23c007a..631397f 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -321,6 +321,27 @@ _overlay_scratch_unmount()
> $UMOUNT_PROG $SCRATCH_MNT
> }
>
> +_run_btrfs_post_mount_hook()
> +{
> + mnt_point=$1
> + for n in $ALWAYS_ENABLE_BTRFS_FEATURE; do
What's this magic, undefined, undocumented variable?
Cheers,
Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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