On 07/02/2015 09:14 AM, Theodore Ts'o wrote: > On Tue, Jun 30, 2015 at 09:26:49AM +0300, Nikolay Borisov wrote: >> Switch ext4 to using sb_getblk_gfp with GFP_NOFS added, this fixes >> possible deadlocks in the page writeback path. >> >> Signed-off-by: Nikolay Borisov <kernel@xxxxxxxx> > > I've added this to the ext4.git tree, thanks. > > - Ted Thanks! Just a question that popped to my mind after discussing with a colleague - Is GFP_NOFS enough here or should it be GFP_NOIO? Presumably the latter is a stronger guarantee that we are not going to hit any fs/writeback related code? Nikolay -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html