On Tue, Sep 20, 2016 at 08:50:21AM -0400, jeffm@xxxxxxxx wrote: > From: Jeff Mahoney <jeffm@xxxxxxxx> > > btrfs_rm_device frees the block device but then re-opens it using > the saved device name. A race exists between the close and the > re-open that allows the block size to be changed. The result > is getting stuck forever in the reclaim loop in __getblk_slow. > > This patch moves the superblock cleanup before closing the block > device, which is also consistent with other callers. We also don't > need a private copy of dev_name as the whole routine operates under > the uuid_mutex. > > Signed-off-by: Jeff Mahoney <jeffm@xxxxxxxx> Reviewed-by: David Sterba <dsterba@xxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
