Hi Namjae,
see below:
On 19.02.2014 01:38, Namjae Jeon wrote:
> This patch implements fallocate's FALLOC_FL_COLLAPSE_RANGE for Ext4.
...<snip>...
> + /*
> + * Don't start shifting extents until we make sure the hole is big
> + * enough to accomodate the shift.
> + */
> + path = ext4_ext_find_extent(inode, start - 1, NULL, 0);
> + depth = path->p_depth;
> + extent = path[depth].p_ext;
> + ex_start = extent->ee_block;
> + ex_end = extent->ee_block + ext4_ext_get_actual_len(extent);
> + ext4_ext_drop_refs(path);
> + kfree(path);
> +
> + if ((start == ex_start && shift > ex_start) ||
> + (shift > start - ex_end)) {
This line causes a compile error. So the fix would be like that:
- (shift > start - ex_end)) {
+ (shift > start - ex_end))
> + return -EINVAL;
> +
> + /* Its safe to start updating extents */
...<snip>...
Apart from that, the whole patchset seems to work without error,
both on xfs and on ext4.
Of course I had to remove Lukas' patches before testing collapse-range.
So it would be excellent if two patch series could get somehow merged.
Tested-by: Dongsu Park <dongsu.park@xxxxxxxxxxxxxxxx>
Regards,
Dongsu
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