Searching for Jffs2 Summary Support information? Find all needed info by using official links provided below.
http://u-boot.10912.n7.nabble.com/U-Boot-JFFS2-Summary-support-for-u-boot-td44097.html
[U-Boot] JFFS2-Summary support for u-boot. Hi *, please feel free to correct me if I tell sh**: As far as I was told, bad JFFS2 boot performance of u-boot is result of not supporting summary....
https://cateee.net/lkddb/web-lkddb/JFFS2_SUMMARY.html
The summary information can be inserted into a filesystem image by the utility 'sumtool'. If unsure, say 'N'. JFFS2 summary support (EXPERIMENTAL) found in fs/jffs2/Kconfig
http://processors.wiki.ti.com/index.php/AM335x_JFFS2_Support_Guide
On AM335x, JFFS2 support has been super-seeded by UBIFS. Reasons for disabling JFFS2 support. UBIFS file system is recommended for NAND File system over JFFS2 as it is seen as JFFS2 successor with significant improvements in scalability and NAND support.
https://en.wikipedia.org/wiki/Erase_Block_Summary
Due to its log-structured design, JFFS2's disadvantages include the following: All nodes must still be scanned at mount time. This is slow and is becoming an increasingly serious problem as flash devices scale upward into the gigabyte range. To overcome this issue, the Erase Block Summary (EBS) was introduced in version 2.6.15 of the Linux ...Introduced: September 23, 2001 with Linux 2.4.10
http://www.infradead.org/pipermail/linux-mtd/2004-November/010887.html
Dear All, We've finished implementing the summary support for JFFS2. It makes the mounting of NAND filesystem much-much faster. The idea was described before: make some summary information into the end of every erase blocks (stored in a RWCOMPAT_DELETE node), so at mount time it is enough to read the last few page of eraseblock.
https://e2e.ti.com/support/legacy_forums/embedded/linux/f/354/t/114710?jffs2-erase-block-summery-issue
Hello, I am trying to put jffs2 partition on the spi nor (m25p80) on the AM1808 EVM. I also try to enable erase block summery in order to reduce mount time.
https://unfinishedbitness.info/2013/02/24/enabling-jffs-on-dd-wrt/
Look for the “JFFS2 Support” section again. For the “Clean JFFS” option, click the Enable radio button. DO NOT click “Save” at the bottom! Instead, click Apply at the bottom. The router will format the available space. Wait until the web GUI is back which may take a minute or two.
http://u-boot.10912.n7.nabble.com/U-Boot-PATCH-JFFS2-bug-fix-for-summary-support-td79029.html
Hi Leo, > This patch fixes some issues with JFFS2 summary support in U-Boot. > 1/ Bug fix for summary support: we need to get the latest DIRENT. Can you give an exmaple how this bug showed? > 2/ Avoid allocate too big memory if the biggest file in JFFS2 is too > …
https://forums.xilinx.com/t5/Embedded-Linux/mount-jffs2-filesystem-error/td-p/843748
Solved: I use zynq emc to connect a nor flash. Each time when I boot the zynq, I need to mount a jffs2 filesystem in the nor flash. However, I have
http://www.infradead.org/pipermail/linux-mtd/2006-February/014806.html
Hi All, I am using Linux-2.6.10 with the lastest CVS MTD codes. My device is a Intel IXP E.V. board, configured as a big-endian machine, with 8M NOR flash and 32M NAND flash. I can mount a JFFS2 partition correctly without enabling the JFFS2 summary support. But, I usually got warning messages, when turn on the JFFS2 summary support.
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