Patch tags [was writeout stalls in current -git]

[corbet@lwn.net (Jonathan Corbet)]

Andrew wrote:

> > Reviewed-by: Fengguang Wu <wfg@mail.ustc.edu.cn> 
> 
> I would prefer Tested-by: :(

This seems like as good an opportunity as any to toss my patch tags
document out there one more time.  I still think it's a good idea to
codify some sort of consensus on what these tags mean... 

jon

diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX
index 299615d..1948a93 100644
--- a/Documentation/00-INDEX
+++ b/Documentation/00-INDEX
@@ -286,6 +286,8 @@ parport.txt
 	- how to use the parallel-port driver.
 parport-lowlevel.txt
 	- description and usage of the low level parallel port functions.
+patch-tags
+	- description of the tags which can be added to patches
 pci-error-recovery.txt
 	- info on PCI error recovery.
 pci.txt
diff --git a/Documentation/patch-tags b/Documentation/patch-tags
new file mode 100644
index 0000000..6acde5e
--- /dev/null
+++ b/Documentation/patch-tags
@@ -0,0 +1,76 @@
+Patches headed for the mainline may contain a variety of tags documenting
+who played a hand in (or was at least aware of) their progress.  All of
+these tags have the form:
+
+	Something-done-by: Full name <email@address> [optional random stuff]
+
+These tags are:
+
+From: 	   	The original author of the patch.  This tag will ensure
+		that credit is properly given when somebody other than the
+		original author submits the patch.
+
+Signed-off-by:	A person adding a Signed-off-by tag is attesting that the
+		patch is, to the best of his or her knowledge, legally able
+		to be merged into the mainline and distributed under the
+		terms of the GNU General Public License, version 2.  See
+		the Developer's Certificate of Origin, found in
+		Documentation/SubmittingPatches, for the precise meaning of
+		Signed-off-by.  This tag assures upstream maintainers that
+		the provenance of the patch is known and allows the origin
+		of the patch to be reviewed should copyright questions
+		arise.
+
+Acked-by:	The person named (who should be an active developer in the
+		area addressed by the patch) is aware of the patch and has
+		no objection to its inclusion; it informs upstream
+		maintainers that a certain degree of consensus on the patch
+		as been achieved..  An Acked-by tag does not imply any
+		involvement in the development of the patch or that a
+		detailed review was done. 
+
+Reviewed-by:	The patch has been reviewed and found acceptable according
+		to the Reviewer's Statement as found at the bottom of this
+		file.  A Reviewed-by tag is a statement of opinion that the
+		patch is an appropriate modification of the kernel without
+		any remaining serious technical issues.  Any interested
+		reviewer (who has done the work) can offer a Reviewed-by
+		tag for a patch.  This tag serves to give credit to
+		reviewers and to inform maintainers of the degree of review
+		which has been done on the patch.
+
+Cc:		The person named was given the opportunity to comment on
+		the patch.  This is the only tag which might be added
+		without an explicit action by the person it names.  This
+		tag documents that potentially interested parties have been
+		included in the discussion.
+
+Tested-by:	The patch has been successfully tested (in some
+		environment) by the person named.  This tag informs
+		maintainers that some testing has been performed, provides
+		a means to locate testers for future patches, and ensures
+		credit for the testers.
+
+
+----
+
+Reviewer's statement of oversight, v0.02
+
+By offering my Reviewed-by: tag, I state that:
+
+ (a) I have carried out a technical review of this patch to evaluate its
+     appropriateness and readiness for inclusion into the mainline kernel. 
+
+ (b) Any problems, concerns, or questions relating to the patch have been
+     communicated back to the submitter.  I am satisfied with the
+     submitter's response to my comments.
+
+ (c) While there may be things that could be improved with this submission,
+     I believe that it is, at this time, (1) a worthwhile modification to
+     the kernel, and (2) free of known issues which would argue against its
+     inclusion.
+
+ (d) While I have reviewed the patch and believe it to be sound, I do not
+     (unless explicitly stated elsewhere) make any warranties or guarantees
+     that it will achieve its stated purpose or function properly in any
+     given situation.
-
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