On Thu, 29 Jan 2009 02:29:11 +0530
Ankit Jain <[email protected]> wrote:
> --- xfs.orig/include/linux/falloc.h 2009-01-21 21:03:28.076324621 +0100
> +++ xfs/include/linux/falloc.h 2009-01-27 20:36:59.190423995 +0100
> @@ -3,4 +3,48 @@
>
> #define FALLOC_FL_KEEP_SIZE 0x01 /* default is extend size */
>
> +#ifdef __KERNEL__
> +
> +/*
> + * Space reservation ioctls and argument structure
> + * are designed to be compatible with the legacy XFS ioctls.
> + */
> +struct space_resv {
> + __s16 l_type;
> + __s16 l_whence;
> + __s64 l_start;
> + __s64 l_len; /* len == 0 means until end of file */
> + __s32 l_sysid;
> + __u32 l_pid;
> + __s32 l_pad[4]; /* reserve area */
> +};
> +
> +#define F_IOC_RESVSP _IOW('X', 40, struct space_resv)
> +#define F_IOC_RESVSP64 _IOW('X', 42, struct space_resv)
Should this stuff be inside #ifdef __KERNEL__? It is shared with userspace.
Are we sure that the aligment of l_start will be reliably the same
across all compilers and versions thereof for all time?
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