Re: [PATCH 4/6] ext4: remove code related to punching hole from ext4_ext_insert_extent

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On 2011-11-16, at 19:03, Yongqiang Yang <xiaoqiangnk@xxxxxxxxx> wrote:

> Punch hole should never call ext4_ext_insert_extent, so this patch
> removes code related to it from ext4_ext_insert_extent.

Is that still true if punch hole is used beyond the end of the file?  I don't recall whether the semantics of this mean to extend the file size or to shrink it?

> Signed-off-by: Yongqiang Yang <xiaoqiangnk@xxxxxxxxx>
> ---
> fs/ext4/extents.c |    2 --
> 1 files changed, 0 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
> index 6888d1a..720070d 100644
> --- a/fs/ext4/extents.c
> +++ b/fs/ext4/extents.c
> @@ -1737,8 +1737,6 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
>     * There is no free space in the found leaf.
>     * We're gonna add a new leaf in the tree.
>     */
> -    if (flag & EXT4_GET_BLOCKS_PUNCH_OUT_EXT)
> -        flags = EXT4_MB_USE_ROOT_BLOCKS;
>    err = ext4_ext_create_new_leaf(handle, inode, flags, path, newext);
>    if (err)
>        goto cleanup;
> -- 
> 1.7.5.1
> 
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