Re: [PATCH] Convert ext4_ioctl to an unlocked_ioctl

[Junio C Hamano]

Mathieu Segaud <mathieu.segaud@xxxxxxxxx> writes:

> Signed-off-by: Mathieu Segaud <mathieu.segaud@xxxxxxxxx>
> ---
>  fs/ext4/dir.c           |    2 +-
>  fs/ext4/file.c          |    2 +-
>  fs/ext4/ioctl.c         |  161 ++++++++++++++++++++++++++++++++---------------
>  include/linux/ext4_fs.h |    3 +-
>  4 files changed, 112 insertions(+), 56 deletions(-)
>
> diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
> index f612bef..8f6677a 100644
> --- a/fs/ext4/dir.c
> +++ b/fs/ext4/dir.c
> @@ -42,7 +42,7 @@ const struct file_operations ext4_dir_operations = {
>  	.llseek		= generic_file_llseek,
>  	.read		= generic_read_dir,
>  	.readdir	= ext4_readdir,		/* we take BKL. needed?*/
> -	.ioctl		= ext4_ioctl,		/* BKL held */
> +	.unlocked_ioctl	= ext4_ioctl,		/* BKL held */

Wasn't the purpose of this whole exercise to eventually allow
them to be outside BKL?  IOW, don't you want to drop this
comment for the .unlocked_ioctl member of this struct?

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