Hello all, Is there any patches for btrfs to use enhanced area in eMMC (it will allow to boost performance i.e. it very useful to keep metadata within this area) ? If it''s exist let me know how to find it and use it. Thanks, -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Aug 31, 2010 at 02:57:05PM +0300, Alexander Vdovichev wrote:> Hello all, > Is there any patches for btrfs to use enhanced area in eMMC (it will > allow to boost performance i.e. it very useful to keep metadata within > this area) ? > > If it''s exist let me know how to find it and use it.I''m not aware of this at the moment. However, there are data-temperature tracking patches. Their point is to move hot data into faster storage. I believe they can grow into generic infrastructure to inform filesystems about non-homogenous nature of underlaying storage. -- Tomasz Torcz To co nierealne -- tutaj jest normalne. xmpp: zdzichubg@chrome.pl Ziomale na życie mają tu patenty specjalne. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi, On Tue, 2010-08-31 at 19:27 +0200, ext Tomasz Torcz wrote:> On Tue, Aug 31, 2010 at 02:57:05PM +0300, Alexander Vdovichev wrote: > > Hello all, > > Is there any patches for btrfs to use enhanced area in eMMC (it will > > allow to boost performance i.e. it very useful to keep metadata within > > this area) ? > > > > If it''s exist let me know how to find it and use it. > > I''m not aware of this at the moment. However, there are data-temperature > tracking patches. Their point is to move hot data into faster storage.Could you point me where I can find it ?> I believe they can grow into generic infrastructure to inform filesystems > about non-homogenous nature of underlaying storage.I guess that it will require specific patches to the filesystem. Each filesystem has a specific policy to locate metadata, but most manufacturers believe that the device will use fat filesystem and they creates special areas to keep fat metadata (allocation table). If btrfs will has an option to use this area it will be a good advantage to use it in embedded area. Thanks, -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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