Partially written block detected
yaffs文件系统的Partially written block detected信息
2011-01-27 19:27
对文件系统进行一系列的操作之后，直接断电，然后重新启动后，挂载文件系统时可能会出现如下提示信息：
yaffs: dev is 32505863 name is "mtdblock7"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 31.7, "mtdblock7"
Partially written block 13 detected
Partially written block 13 detected
Partially written block 13 detected
Partially written block 13 detected
yaffs_read_super: isCheckpointed 0
Please press Enter to activate this console. ls
[root@localhost /]#
这种提示信息是正常的，Partially written block 在正常使用时，文件系统的垃圾收集程序将会处理。
可以屏蔽这个信息，或者仅在YAFFS_TRACE_SCAN的时候显示这个信息，修改yaffs_guts.c文件的6668行，将
T(YAFFS_TRACE_ALWAYS,
(TSTR("Partially written block %d detected" TENDSTR),
blk));
改为：
T(YAFFS_TRACE_SCAN,
(TSTR("Partially written block %d detected" TENDSTR),
blk));
或者，让系统每次通过poweroff关机，然后调用sync命令，将yaffs数据完善回去
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