Hello, On Fri, 2009-02-13 at 19:17 +0800, zuowenping wrote: > # cat /proc/yaffs > YAFFS built:Feb 2 2008 23:56:53 > $Id: yaffs_fs.c,v 1.33 2005/10/27 22:24:04 marty Exp $ > $Id: yaffs_guts.c,v 1.22 2005/10/13 02:17:00 charles Exp $ > nFreeChunks........ 768 > nPageWrites........ 0 > nPageReads......... 0 > nBlockErasures..... 0 > nGCCopies.......... 0 > garbageCollections. 0 > passiveGCs......... 0 > nRetriedWrites..... 0 > nRetireBlocks...... 0 > eccFixed........... 0 > eccUnfixed......... 0 > tagsEccFixed....... 0 > tagsEccUnfixed..... 0 > cacheHits.......... 0 > nDeletedFiles...... 0 > nUnlinkedFiles..... 0 > nBackgroudDeletions 0 > useNANDECC......... 1 > isYaffs2........... 1 > > I am suprised the nFreeChunks is 768,is it mean only 768 pages can be > used?
Exactly. You could do the math. 768*2048 = 1.5MB So you have approx. 1.5MB of space available for user data. Regards, Philby > > > 2009-02-13 > > ______________________________________________________________________ > zuowenping > > ______________________________________________________________________ > 发件人： zuowenping > 发送时间： 2009-02-13 14:57:29 > 收件人： davinci-linux-open-source > 抄送： > 主题： flash_eraseall and mount a mtd ,it show 100% used,why? > > dear all: > I use a new nand flash,and i make 4 partions for > bootloader,params,kernel,filesystem > when i use a ramdisk for run the kernel success! i operated like: > flase_eraseall /dev/mtd3 > mount -t yaffs2 /dev/mtdblock3 /mnt > dh -h > > # df -h > Filesystem Size Used Available Use% Mounted on > /dev/root 9.7M 8.0M 1.2M 87% / > tmpfs 966.6M 11.9M 954.7M 1% /tmp > /dev/root 9.7M 8.0M 1.2M 87% /dev/.static/dev > none 10.0M 2.5M 7.5M 25% /dev > tmpfs 55.8M 0 55.8M 0% /dev/shm > none 55.8M 12.0k 55.8M 0% /var/run > none 966.6M 11.9M 954.7M 1% /tmp > /dev/mmcblk0p1 966.6M 11.9M 954.7M 1% /tmp > /dev/mtdblock3 1016.0M 1012.4M 3.6M 100% /mnt //puzzled 100% > so i cann't load my rootfs, All files used over 10M size! > 2009-02-13 > > ______________________________________________________________________ > zuowenping > _______________________________________________ > Davinci-linux-open-source mailing list > Davinci-linux-open-source@linux.davincidsp.com > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
