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?
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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