Re: [Gluster-devel] [RFC] Zerofill FOP support for GlusterFS

2013-07-16 Thread Niels de Vos
On Mon, Jul 15, 2013 at 01:17:54PM -0400, aak...@linux.vnet.ibm.com wrote: Add support for a new ZEROFILL fop. Zerofill writes zeroes to a file in the specified range. This fop will be useful when a whole file needs to be initialized with zero (could be useful for zero filled VM disk image

Re: [Gluster-devel] [RFC] Zerofill FOP support for GlusterFS

2013-07-16 Thread Aakash
On 07/16/2013 02:25 PM, Niels de Vos wrote: On Mon, Jul 15, 2013 at 01:17:54PM -0400, aak...@linux.vnet.ibm.com wrote: Add support for a new ZEROFILL fop. Zerofill writes zeroes to a file in the specified range. This fop will be useful when a whole file needs to be initialized with zero (could

Re: [Gluster-devel] [RFC] Zerofill FOP support for GlusterFS

2013-07-16 Thread Ric Wheeler
On 07/16/2013 06:21 AM, Aakash wrote: On 07/16/2013 02:25 PM, Niels de Vos wrote: On Mon, Jul 15, 2013 at 01:17:54PM -0400, aak...@linux.vnet.ibm.com wrote: Add support for a new ZEROFILL fop. Zerofill writes zeroes to a file in the specified range. This fop will be useful when a whole file

Re: [Gluster-devel] [RFC] Zerofill FOP support for GlusterFS

2013-07-16 Thread Aakash
On 07/16/2013 04:11 PM, Ric Wheeler wrote: On 07/16/2013 06:21 AM, Aakash wrote: On 07/16/2013 02:25 PM, Niels de Vos wrote: On Mon, Jul 15, 2013 at 01:17:54PM -0400, aak...@linux.vnet.ibm.com wrote: Add support for a new ZEROFILL fop. Zerofill writes zeroes to a file in the specified range.

[Gluster-devel] [RFC] Zerofill FOP support for GlusterFS

2013-07-15 Thread aakash
Add support for a new ZEROFILL fop. Zerofill writes zeroes to a file in the specified range. This fop will be useful when a whole file needs to be initialized with zero (could be useful for zero filled VM disk image provisioning or during scrubbing of VM disk images). Client/application can

Re: [Gluster-devel] [RFC] Zerofill FOP support for GlusterFS

2013-07-15 Thread aakash
Hi, There is a correction. You can find the correct links for the test programs here: * For offloaded zeroing you can visit : https://docs.google.com/file/d/0B4jeWncLrfS3MzdqcEx3Nm5jSTQ/edit?usp=sharing * For manually filling zeroes :