On Mon, Nov 02, Christian Borntraeger wrote: > Am Montag 02 November 2009 11:04:40 schrieb Jan Blunck: > > During the realtime preemption mini-summit we discussed the entire removal > > of the big kernel lock. I've started working on this for some filesystems. > > My plan is to push the BKL down to the implementations first and remove it > > from there later. > > > > This series is pushing the BKL from do_new_mount() down to the filesystems > > and removes it from ext series of filesystems and one other trivial use: > > if the BKL is only used in get_sb/fill_super due to the push-down, we just > > need to make sure that parallel calls to get_sb/fill_super would race > > against each other. > > seems that patch 1 (the pushdown) did not yet made it to the list. Seems that the CC list was too long because I used get_maintainer.pl together with git-send-email on this patch ... > Looking at > you diffstat it seems that you only touched fs/* > > There are filesystems in other places, e.g. > drivers/isdn/capi/capifs.c, > arch/powerpc/platforms/cell/spufs/inode.c > or > arch/s390/hypfs/inode.c > > I am really not an expert in filesystems, so my comment might be bogus: My > expection was, that a simple pushdown should also affect these filesystems, > especially if the filesystems dont use simple_fill_super, no? D'Oh! You are totally correct. Seems that nothing important outside of fs/ actually requires the BKL since my box is still wor -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
