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<div><span></span>Hello <span style="font-family: arial, helvetica, sans-serif; font-size: 16px; line-height: 24px; background-color: window;">Thomas：</span></div><div><font face="arial, helvetica, sans-serif" size="3"><span style="line-height: 24px;"><br></span></font></div><div><font face="arial, helvetica, sans-serif" size="3"><span style="line-height: 24px;">thank you very much ,it it not so crucial for me .i just want the best performance。if someone has do this work before ,i wish they can help me .if not, i wiil try my best to sovle this problem when i has time . </span></font></div><div><font face="arial, helvetica, sans-serif" size="3"><span style="line-height: 24px;"><br></span></font></div><div><font face="arial, helvetica, sans-serif" size="3"><span style="line-height: 24px;">not now</span></font></div><div><font face="arial, helvetica, sans-serif" size="3"><span style="line-height: 24px;"><br></span></font></div><div><font face="arial, helvetica, sans-serif" size="3"><span style="line-height: 24px;">best wishes</span></font></div><div><font face="arial, helvetica, sans-serif" size="3"><span style="line-height: 24px;">ben</span></font></div>
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<div><span><div style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div>bin.wang@qkmtech.com</div></div></span></div>
<blockquote style="margin-top: 0px; margin-bottom: 0px; margin-left: 0.5em;"><div> </div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style="PADDING-RIGHT: 8px; PADDING-LEFT: 8px; FONT-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefef; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b> <a href="mailto:thomas.doerfler@embedded-brains.de">ThomasDörfler</a></div><div><b>Date:</b> 2018-01-30 15:02</div><div><b>To:</b> <a href="mailto:bin.wang@qkmtech.com">bin wang</a>; <a href="mailto:users@rtems.org">rtems-users@rtems.org</a></div><div><b>Subject:</b> Re: jffs2 summary problem</div></div></div><div><div class="FoxDiv20180131120037149446"><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div></div><div>Hello Ben,<br></div><div><br data-mce-bogus="1"></div><div>the RTEMS community is always happy to see the functionality growning, especially with additions, which are useful to real life applications.In general I think there are three options to add missing functionality to the RTEMS ecosystem:<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>1.) invest your own expertise and time to get it done and to get it integrated<br data-mce-bogus="1"></div><div>2.) find someone who has spare time to do it <br data-mce-bogus="1"></div><div>3.) fund the corresponding work with the money required<br data-mce-bogus="1"></div><div><br></div><div>If a faster startup of the existing jffs2 RTEMS port is crucial for you, option 3 may be interesting for you. Among others, we at embedded brains can create a quote for you for commercial support, with the goal to get the corresponding functionality ported and integrated. Please let me know if this is interesting for you.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Kind regards,<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>Thomas.<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><hr id="zwchr" data-marker="__DIVIDER__"><div data-marker="__HEADERS__"><b>Von: </b>"bin wang" <bin.wang@qkmtech.com><br><b>An: </b>"bin wang" <bin.wang@qkmtech.com>, "rtems-users@rtems.org" <users@rtems.org><br><b>Gesendet: </b>Dienstag, 30. Januar 2018 07:45:20<br><b>Betreff: </b>Re: jffs2 summary problem<br></div><div><br></div><div data-marker="__QUOTED_TEXT__"><div>>On 30/01/18 05:16, bin.wang@qkmtech.com wrote:</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> hi everyone</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>></div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> now i use jffs2 as my flash filesystem. but the time of the scan the </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> device is two long , i find that someone said that when i set the </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> CONFIG_JFFS2_SUMMARY macro ，the time will reduce too much。</div>
<div> </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>This looks like a Linux configuration option.</div><br><div>yes , i has view some of the information,jffs2 is ported from linux environment to rtems. but i think the mount time is too long for me </div>
<div> </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>></div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> but i did not find the realization of the summary. i only find the </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> summary.h and no function realization.</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>></div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> if i want to use this to reduce the scan time . how should i do ?</div>
<div> </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>You have to figure out how it works on Linux and how we can enable/port </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>this to RTEMS.</div><br><div>because i did not find the realization of this feature in the rtems source code . i just find the header file of the summary. </div><div>i think i has no much time to do the port work and also i am not familiar with linux too . </div><div>is rtems develop group want to support this feature in jffs2? </div><div>thank you very much.</div>
<div> </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>></div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> i use rtems 4.11.2 and zynq 7000 platform.</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>></div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> best wishes</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> ben</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>></div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> ------------------------------------------------------------------------</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> bin.wang@qkmtech.com</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>></div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>></div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> _______________________________________________</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> users mailing list</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> users@rtems.org</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>> http://lists.rtems.org/mailman/listinfo/users</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span> </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>-- </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>Sebastian Huber, embedded brains GmbH</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span> </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>Address : Dornierstr. 4, D-82178 Puchheim, Germany</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>Phone : +49 89 189 47 41-16</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>Fax : +49 89 189 47 41-09</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>E-Mail : sebastian.huber@embedded-brains.de</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>PGP : Public key available on request.</div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span> </div>
<div><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;">></span>Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.</div>
<div> </div>
<br>_______________________________________________<br>users mailing list<br>users@rtems.org<br>http://lists.rtems.org/mailman/listinfo/users<br></div><div><br></div><div data-marker="__SIG_POST__">-- <br></div><div>-- <br>--------------------------------------------<br>embedded brains GmbH<br>Thomas Doerfler<br>Dornierstr. 4<br>D-82178 Puchheim<br>Germany<br>email: Thomas.Doerfler@embedded-brains.de<br>Phone: +49-89-18 94 741-12<br>Fax: +49-89-18 94 741-09<br>PGP: Public key available on request.<br><br>Diese Nachricht ist keine geschäftliche Mitteilung im Sinne des EHUG.</div></div></div></div></blockquote>
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