https://sarwiki.informatik.hu-berlin.de/index.php?action=history&feed=atom&title=Filesystems_for_flash 2026-04-19T05:59:40Z Revision history for this page on the wiki MediaWiki 1.43.8 https://sarwiki.informatik.hu-berlin.de/index.php?title=Filesystems_for_flash&diff=7050&oldid=prev 2007-05-11T19:17:14Z

<p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 19:17, 11 May 2007</td> </tr><tr> <td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td> </tr> <tr> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= jffs2 =</div></td> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= jffs2 =</div></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><br /></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Read this very short and well explained summary for the whole story: http://wh.fh-wedel.de/~joern/logfs.pdf</div></td> </tr> <tr> <td colspan="2" class="diff-empty diff-side-deleted"></td> <td class="diff-marker" data-marker="+"></td> <td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><br /></td> </tr> <tr> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the standard fs</div></td> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* the standard fs</div></td> </tr> <tr> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* slow mount time and high RAM usage for big cards (grows linearly with flash size, since it reads block by block through the flash) </div></td> <td class="diff-marker"></td> <td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* slow mount time and high RAM usage for big cards (grows linearly with flash size, since it reads block by block through the flash) </div></td> </tr> </table>

Nachtigall https://sarwiki.informatik.hu-berlin.de/index.php?title=Filesystems_for_flash&diff=7049&oldid=prev 2007-05-11T18:39:56Z

<p></p> <p><b>New page</b></p><div>= jffs2 =<br /> * the standard fs<br /> * slow mount time and high RAM usage for big cards (grows linearly with flash size, since it reads block by block through the flash) <br /> * design summary at http://sourceware.org/jffs2/jffs2.pdf<br /> * compression (gzip) available &quot;on the fly&quot;<br /> <br /> = yaffs2 =<br /> * good summary with basic problem description at http://www.aleph1.co.uk/book/print/77<br /> * more scalable (but not part of linux vanilla kernel)<br /> <br /> = LogFS =<br /> * relatively new (and buggy)<br /> * project page is here afaikt: http://logfs.org/logfs/<br /> * description with flash basics at http://wh.fh-wedel.de/~joern/logfs.pdf<br /> * attempts to reduce the shortcomings of jffs2</div>

Nachtigall