Re: CVS commit: src/sys/dev

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

hi,

> Module Name:  src
> Committed By: dsl
> Date:         Sun Dec  6 16:33:19 UTC 2009
> 
> Modified Files:
>       src/sys/dev: vnd.c vndvar.h
> 
> Log Message:
> Make vnd_size (the returned size) 64 bit, keeping old field for ioctl
> compatibility. Both fields are now unsigned.
> Add compatibility for the old ioctl size.
> Detect and error files which are definitely sparse (va_bytes < va_size).

please revert this part of the change.
because:
        - the check doesn't work for certain filesystems.  eg. zfs
        - sparse files work fine in some cases.  eg. read-only usage, nfs

YAMAMOTO Takashi

> Part of fix for PR/41873.
> 
> 
> To generate a diff of this commit:
> cvs rdiff -u -r1.204 -r1.205 src/sys/dev/vnd.c
> cvs rdiff -u -r1.24 -r1.25 src/sys/dev/vndvar.h
> 
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.