Author: Michael Lampe <Michael.Lampe@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 01 Mar 2004 14:06:38 +0100
if (flush) set_bit(BH_Ordered_Flush, &bufferlist[cnt-1]->b_state); in _pagebuf_page_io. Is this all I need (I already have applied the ide write barrier patch) to safely use disk write back caching?
Michael Lampe wrote: Is this all I need (I already have applied the ide write barrier patch) to safely use disk write back caching? (which IDE write barrier patch is that, out of curiousity?) The one
Author: Michael Lampe <Michael.Lampe@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 01 Mar 2004 18:10:02 +0100
Jeremy Jackson wrote: SCSI disks use TCQ to achieve write performance without compromising data integrity. Ordered queue tags can be used to implement write barriers. (XFS guys - Linux does this, rig
Jeremy & Michael, Actually, the answer is: "not yet". There is extant code, but the controllers and disks that can actually make use of it is rather thin right now (in the ATA camp). -- kernel, n.: A
if (flush) set_bit(BH_Ordered_Flush, &bufferlist[cnt-1]->b_state); in _pagebuf_page_io. Is this all I need (I already have applied the ide write barrier patch) to safely use disk write back caching?
Michael Lampe wrote: Is this all I need (I already have applied the ide write barrier patch) to safely use disk write back caching? (which IDE write barrier patch is that, out of curiousity?) The one
Jeremy Jackson wrote: SCSI disks use TCQ to achieve write performance without compromising data integrity. Ordered queue tags can be used to implement write barriers. (XFS guys - Linux does this, rig
Jeremy & Michael, Actually, the answer is: "not yet". There is extant code, but the controllers and disks that can actually make use of it is rather thin right now (in the ATA camp). -- kernel, n.: A
fs/xfs/linux/xfs_buf.c already has if (flush) set_bit(BH_Ordered_Flush, &bufferlist[cnt-1]->b_state); in _pagebuf_page_io. Is this all I need (I already have applied the ide write barrier patch) to s