Applying Lustre Patches to a Kernel - Revision history

Sbarthel at 13:13, 22 February 2010

2010-02-22T13:13:55Z

← Older revision		Revision as of 06:13, 22 February 2010
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	''(Updated: Jan 2010)''		<small>''(Updated: Jan 2010)''</small>

	'''''NOTICE:''''' The transition from CVS to Git took place on Monday, December 14. For more information about the transition, see the [[Git Transition Notice]]. For details about how to migrate to Git, see [[Migrating to Git]].		'''''NOTICE:''''' The transition from CVS to Git took place on Monday, December 14. For more information about the transition, see the [[Git Transition Notice]]. For details about how to migrate to Git, see [[Migrating to Git]].

Sbarthel at 19:31, 21 February 2010

2010-02-21T19:31:54Z

← Older revision		Revision as of 12:31, 21 February 2010
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			''(Updated: Jan 2010)''

	'''''NOTICE:''''' The transition from CVS to Git took place on Monday, December 14. For more information about the transition, see the [[Git Transition Notice]]. For details about how to migrate to Git, see [[Migrating to Git]].		'''''NOTICE:''''' The transition from CVS to Git took place on Monday, December 14. For more information about the transition, see the [[Git Transition Notice]]. For details about how to migrate to Git, see [[Migrating to Git]].

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	'''''Note:''''' If you are introducing a new patch, use ''quilt new'', then edit the patch, and then use ''quilt refresh''.		'''''Note:''''' If you are introducing a new patch, use ''quilt new'', then edit the patch, and then use ''quilt refresh''.

	~~''(Updated 1/10)''~~

Docadmin: /* Adding a patch into a series */

2010-02-10T01:12:08Z

Adding a patch into a series

← Older revision		Revision as of 18:12, 9 February 2010
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	'''''Note:''''' If you are introducing a new patch, use ''quilt new'', then edit the patch, and then use ''quilt refresh''.		'''''Note:''''' If you are introducing a new patch, use ''quilt new'', then edit the patch, and then use ''quilt refresh''.

	(Updated 1/10)		''(Updated 1/10)''

Docadmin: /* Adding a patch into a series */

2010-02-10T01:09:27Z

Adding a patch into a series

← Older revision		Revision as of 18:09, 9 February 2010
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	'''''Note:''''' If you are introducing a new patch, use ''quilt new'', then edit the patch, and then use ''quilt refresh''.		'''''Note:''''' If you are introducing a new patch, use ''quilt new'', then edit the patch, and then use ''quilt refresh''.

			(Updated 1/10)

Adilger: /* Overview of Lustre Patches */

2010-01-12T06:29:06Z

Overview of Lustre Patches

← Older revision		Revision as of 23:29, 11 January 2010
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	The patches to be applied depend on the kernel that is to be used. A series file is created in ''lustre/kernel_patches/series/'' for each supported kernel to define and control the patches to be used for that kernel.		The patches to be applied depend on the kernel that is to be used. A series file is created in ''lustre/kernel_patches/series/'' for each supported kernel to define and control the patches to be used for that kernel.

	For example, the file ''lustre/kernel_patches/series/~~rh-~~2.~~4.20~~.series'' lists all the patches that must be applied to a Red Hat 2.6.18 kernel to build a Lustre compatible kernel. An excerpt from the current ''~~rh-~~2.6.18'' ~~series~~ is shown below:		For example, the file ''lustre/kernel_patches/series/2.6-rhel5.series'' lists all the patches that must be applied to a Red Hat 2.6.18 kernel to build a Lustre compatible kernel. An excerpt from the current ''2.6-rhel5.series'' is shown below:
	<pre>		<pre>
	~~lustre/kernel_patches/series/2.6-rhel5.series:~~
	lustre_version.patch		lustre_version.patch
	vfs_races-2.6-rhel5.patch		vfs_races-2.6-rhel5.patch
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	</pre>		</pre>

	'''''Note:''''' For more information about the set of patches developed to address issues with ~~RAID5~~ that are included in the 2.6-rhel5.series file, see [[RAID5 Patches]].		'''''Note:''''' For more information about the set of patches developed to address issues with RAID-5 that are included in the 2.6-rhel5.series file, see [[RAID5 Patches]].

	== Introduction to the Quilt package ==		== Introduction to the Quilt package ==

Adilger: /* Naming completed patches */ remove obsolete reference to Lustre patch version

2010-01-12T06:27:07Z

Naming completed patches: remove obsolete reference to Lustre patch version

← Older revision		Revision as of 23:27, 11 January 2010
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	When naming patches, follow these guidelines :		When naming patches, follow these guidelines :
	* Use the format <patchname><kernel-version>''.patch'' (for example, ''vfs_intent-2.4.20-rh.patch''). Patches are stored in ''lustre/kernel_patches/patches''.		* Use the format <patchname><kernel-version>''.patch'' (for example, ''vfs_intent-2.4.20-rh.patch''). Patches are stored in ''lustre/kernel_patches/patches''.
	* Include the following in ''class_obd.c'':
	~~:: LUSTRE_MIN_VERSION == Smallest acceptable Lustre-version.~~
	~~:: LUSTRE_MAX_VERSION == Highest acceptable Lustre-version.~~
	~~:This allows a script to list obsolete patches and clean them up.~~

	When updating patches, follow these guidelines:		When updating patches, follow these guidelines:
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	* Keep the different versions of each patch as close as possible so that ''diff -u foo-rhel4.patch foo-sles10.patch'' will show as small a diff as possible and we can verify that each of the patches contains the fixes that have been applied to the others.		* Keep the different versions of each patch as close as possible so that ''diff -u foo-rhel4.patch foo-sles10.patch'' will show as small a diff as possible and we can verify that each of the patches contains the fixes that have been applied to the others.

	To make this easier, options can be passed to ''quilt'' via ''$HOME/.quiltrc'':		To make this easier, options can be passed to ''quilt'' via ''$HOME/.quiltrc'' (copied from ''build/quiltrc'':

	export QUILT_DIFF_OPTS="-upa"		export QUILT_DIFF_OPTS="-upa"

Docadmin: /* Overview of Lustre Patches */

2009-12-28T22:59:05Z

Overview of Lustre Patches

← Older revision		Revision as of 15:59, 28 December 2009
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	</pre>		</pre>

	'''''Note:''''' For more information about the set of patches developed to address issues with RAID5 that are included ~~with~~ the 2.6-rhel5.series file, see [[RAID5 Patches]].		'''''Note:''''' For more information about the set of patches developed to address issues with RAID5 that are included in the 2.6-rhel5.series file, see [[RAID5 Patches]].

	== Introduction to the Quilt package ==		== Introduction to the Quilt package ==

Docadmin: /* Overview of Lustre Patches */

2009-12-28T22:57:04Z

Overview of Lustre Patches

← Older revision		Revision as of 15:57, 28 December 2009
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	</pre>		</pre>

	'''''Note:''''' For information about a set of patches ~~that have been~~ developed to address issues with RAID5, see [[RAID5 Patches]].		'''''Note:''''' For more information about the set of patches developed to address issues with RAID5 that are included with the 2.6-rhel5.series file, see [[RAID5 Patches]].

	== Introduction to the Quilt package ==		== Introduction to the Quilt package ==

Docadmin at 20:15, 17 December 2009

2009-12-17T20:15:29Z

← Older revision		Revision as of 13:15, 17 December 2009
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	----		----
			__TOC__
	This page describes how to apply Lustre™ kernel patches to a tree, how to use ''Quilt'' (a package provided with most Linux distributions) to manage changes to patches, and how to modify an existing kernel patch or contribute a new kernel patch.		This page describes how to apply Lustre™ kernel patches to a tree, how to use ''Quilt'' (a package provided with most Linux distributions) to manage changes to patches, and how to modify an existing kernel patch or contribute a new kernel patch.

Docadmin: Protected "Applying Lustre Patches to a Kernel" ([edit=sysop] (indefinite) [move=sysop] (indefinite))

2009-12-16T17:17:08Z

Protected "Applying Lustre Patches to a Kernel" ([edit=sysop] (indefinite) [move=sysop] (indefinite))

← Older revision	Revision as of 10:17, 16 December 2009
(No difference)