On Fri, 19 Nov 2010, Ted Ts'o wrote:
> On Thu, Nov 18, 2010 at 08:36:49AM +0100, Lukas Czerner wrote:
> > @@ -541,6 +541,7 @@ struct ext4_new_group_data {
> > /* note ioctl 11 reserved for filesystem-independent FIEMAP ioctl */
> > #define EXT4_IOC_ALLOC_DA_BLKS _IO('f', 12)
> > #define EXT4_IOC_MOVE_EXT _IOWR('f', 15, struct move_extent)
> > +#define EXT4_IOC_TRIM FITRIM
>
> If we're going to keep FITRIM defined in include/fs.h, then we should
> just dispatch off of FITRIM below, and not define EXT4_IOC_TRIM.
>
> > + case EXT4_IOC_TRIM:
> > + {
>
> Agreed?
I am ok either way, I was just following example of EXT4_IOC_GETFLAGS ->
FS_IOC_GETFLAGS etc..
-Lukas
>
> There's no point making this look like an EXT4-specific interface; if
> other file systems want to implement FITRIM as an ioctl, they are free
> to do so.
>
> - Ted
>
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