On Tue, Jun 06, 2017 at 06:21:17PM +0800, Anand Jain wrote: > > > On 06/03/17 00:58, David Sterba wrote: >> Christoph pointed out that bio allocations backed by a bioset will never >> fail. > > David, > > Looks like this feature comes when __GFP_DIRECT_RECLAIM is > set and we aren't, such as [1]. Any idea why? Looks like I am > missing something ? > > > [1] > ----- > static int submit_extent_page(int op, int op_flags, struct extent_io_tree > *tree, > :: > > bio = btrfs_bio_alloc(bdev, sector, BIO_MAX_PAGES, > GFP_NOFS | __GFP_HIGH);
#define __GFP_RECLAIM ((__force gfp_t)(___GFP_DIRECT_RECLAIM|___GFP_KSWAPD_RECLAIM)) #define GFP_NOFS (__GFP_RECLAIM | __GFP_IO) -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
