On 11/16/2010 02:50 PM, Josef Bacik wrote:
On Tue, Nov 16, 2010 at 02:25:35PM +0200, Avi Kivity wrote: > On 11/15/2010 07:05 PM, Josef Bacik wrote: >> Ext4 doesn't have the ability to punch holes yet, so make sure we return >> EOPNOTSUPP if we try to use hole punching through fallocate. This support can >> be added later. Thanks, >> > > Instead of teaching filesystems to fail if they don't support the > capability, why don't supporting filesystems say so, allowing the fail > code to be in common code? > There is no simple way to test if a filesystem supports hole punching or not so the check has to be done per fs. Thanks,
Could put a flag word in superblock_operations. Filesystems which support punching (or other features) can enable it there.
Or even have its own callback. -- error compiling committee.c: too many arguments to function _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
