Hello, Li. On Sat, Sep 20, 2014 at 02:49:10PM +0800, Zefan Li wrote: > Both pinned_sb and new_sb indicate if a new superblock is needed, > so we can just remove new_sb. > > Note now we must check if kernfs_tryget_sb() returns NULL, because > when it returns NULL, kernfs_mount() may still re-use an existing > superblock, which is just allocated by another concurent mount. > > Suggested-by: Tejun Heo <tj@xxxxxxxxxx> > Signed-off-by: Zefan Li <lizefan@xxxxxxxxxx> Ah, this is so much better. Thanks for doing this. Applied to cgroup/for-3.18. > --- > > Hi Tejun, > > I think you wanted to see the @new_sb argument removed from kernfs_mount(), > but it's also used in debugfs and we can't use kernfs_tryget_sb() to > replace the new_sb check. Bummer, someday. :) Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe cgroups" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
