Messages in this thread Patch in this message | | | Date | Mon, 3 Mar 2008 13:15:11 +0100 | From | Pavel Machek <> | Subject | Re: jffs2: -ENOSPC when truncating file?! |
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Hi!
> > I'm trying to free space by truncating big file, and I get: > > > > root@fic-gta01:~# ls -al gps.nmea > > -rw-r--r-- 1 root root 2332070 Feb 19 22:13 gps.nmea > > root@fic-gta01:~# > gps.nmea > > -sh: cannot create gps.nmea: No space left on device > > root@fic-gta01:~# rm gps.nmea > > root@fic-gta01:~# > gps.nmea > > root@fic-gta01:~# > > > > :-( > > > > Kernel is not-so-ancient, on openmoko: > > Hi! > > JFFS2 has known bug in GC leading to -ENOSPC upon file removal. Time > ago I've sent a patch with detailed explanations of what is going on. > Probably your case is the same. > > Here is the patch > http://lists.infradead.org/pipermail/linux-mtd/2007-December/020091.html > (though infradead mailing list archive is missing most of messages > from this thread) > > And here are some details > http://lists.infradead.org/pipermail/linux-mtd/2007-June/018756.html
Patch is here (I whitespace-damaged it, sorry], and I've seen no discussion.. should it just be applied? Pavel
diff -uNr a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c --- a/fs/jffs2/wbuf.c 2007-05-25 01:22:47.000000000 +0400 +++ b/fs/jffs2/wbuf.c 2007-06-20 18:45:09.000000000 +0400 @@ -117,7 +117,7 @@
D1(printk(KERN_DEBUG "Removing eraseblock at 0x%08x from erasable_pending_wbuf_list...\n", jeb->offset)); list_del(this); - if ((jiffies + (n++)) & 127) { + if (((jiffies + (n++)) & 127) && !list_empty(&c->erasable_list)) { /* Most of the time, we just erase it immediately. Otherwise we spend ages scanning it on mount, etc. */ D1(printk(KERN_DEBUG "...and adding to erase_pending_list\n"));
-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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