Re: [Yaffs] yaffs rmdir issue

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Author: Charles Manning
Date:  
To: yaffs
CC: Li YingChao-RJN637
Subject: Re: [Yaffs] yaffs rmdir issue
On Tuesday 11 August 2009 14:31:55 Li YingChao-RJN637 wrote:
> Test well. Thanks for your quick reply and fix.
>
> FYI: Maybe we just only do the check in "yaffs_UnlinkWorker", and do NOT
> need to change the "yaffs_DeleteDirectory". Only a suggestion.


The change in DeleteDirectory is there only because I stripped out common code
and made that into a single checking function.

I would rather have the checking logic in one place.

-- CHarles


>
> -----Original Message-----
> From: Charles Manning [mailto:manningc2@actrix.gen.nz]
> Sent: Tuesday, August 11, 2009 9:30 AM
> To:
> Cc: Li YingChao-RJN637
> Subject: Re: [Yaffs] yaffs rmdir issue
>
> On Monday 10 August 2009 15:14:03 Li YingChao-RJN637 wrote:
> > Hi,
> >
> > When the directory is NOT empty, I try to remove dir by "rmdir"
> > command. Normal should return fail, but YAFFS return true. The files
> > under this directory is lost, and the file space can not be free.
> > Seems "yaffs_UnlinkWorker" don't check if the directory is empty when
> > obj->variantType is YAFFS_OBJECT_TYPE_DIRECTORY
> >
> > # # mount -t yaffs2 /dev/block/mtdblock9 /debug # # cd /debug # # ls
> > -l
> > drw-rw-rw- root     root              1970-01-01 05:31 lost+found
> > # # mkdir aaa
> > # # cp /data/flash_eraseall aaa
> > # # df .
> > .: 9216K total, 2780K used, 6436K available (block size 4096) # # ls
> > -l
> > drwxrwxrwx root     root              1970-01-01 05:32 aaa
> > drw-rw-rw- root     root              1970-01-01 05:31 lost+found
> > # # rm aaa
> > rm failed for aaa, Is a directory
> > # # ls -l aaa
> > -rwxrwxrwx root     root      1660816 1970-01-01 05:32 flash_eraseall
> > # # rmdir aaa
> > # # ls -l
> > drw-rw-rw- root     root              1970-01-01 05:31 lost+found
> > # # df .
> > .: 9216K total, 2780K used, 6436K available (block size 4096) # #

> >
> > # /data/busybox uname -a
> > Linux localhost 2.6.29-omap1 #1 Sun Aug 2 22:32:04 CDT 2009 armv7l
> > unknown
>
> Thanks for reporting that.
>
> Get latest cvs. It should work now:
>
> root@linux-dual-head:/mnt# mkdir d
> root@linux-dual-head:/mnt# touch d/f
> root@linux-dual-head:/mnt# rmdir d
> rmdir: failed to remove `d': Directory not empty
> root@linux-dual-head:/mnt# rm d/f root@linux-dual-head:/mnt# rmdir d
> root@linux-dual-head:/mnt#
>
> -- CHarles
>
>
>
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