On Fri, Jun 22, 2007 at 01:03:09PM -0700, Dave Hansen wrote: > > This patch adds two function mnt_want_write() and > mnt_drop_write(). These are used like a lock pair around > and fs operations that might cause a write to the filesystem. > > Before these can become useful, we must first cover each > place in the VFS where writes are performed with a > want/drop pair. When that is complete, we can actually > introduce code that will safely check the counts before > allowing r/w<->r/o transitions to occur. Ok, > > Note that we put the linux/fs.h #include as far down in > mount.h as possible. This is to keep the mount.h->fs.h-> > sched.h->mount.h include dependency from biting us. except for this. Please just move __mnt_is_readonly out of line or make it a macro, but we surely don't want to include fs.h in mount.h - 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
