| commit | 7ef70b4d9987a78d39c4e40a02093493333e5408 | [log] [tgz] |
|---|---|---|
| author | David Sterba <dsterba@suse.com> | Thu Mar 02 18:54:52 2017 +0100 |
| committer | David Sterba <dsterba@suse.com> | Tue Apr 18 14:07:25 2017 +0200 |
| tree | 95d61665823af9253ba7fa6a00a84754ab820c93 | |
| parent | cc8385b59e17d489814d54d6a846aba7051fdea5 [diff] |
btrfs: preallocate radix tree node for global readahead tree We can preallocate the node so insertion does not have to do that under the lock. The GFP flags for the global radix tree are initialized to GFP_NOFS & ~__GFP_DIRECT_RECLAIM but we can use GFP_KERNEL, because readahead is optional and not on any critical writeout path. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>