On Mon, 1 May 2000, Stephen C. Tweedie wrote:
> On Fri, Apr 28, 2000 at 12:32:26PM -0700, Chris Mason wrote:
> > Hmm, that makes sense I can see it being a slow down for ext2 if oracle or
> > mail servers pound on fsync (in reiserfs, they block on the commit).
> > I'm not sure I understand why need the locking in sync_supers if we don't
> > need it in fsync though.
> We don't. We don't take the superblock lock anywhere in the filesystem
> except for the mount (read_super, put_super etc.) code.
Sorry, not sure what you mean. fs/super.c:sync_supers locks the super as
well (this is new in pre6-7).
> ext2 does use the superblock lock internally, however.
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