btrfs: get rid of current_is_pdflush() in btrfs_btree_balance_dirty

Chris says it's safe to kill.

Acked-by: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 3e18175..6ec80c0 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2385,7 +2385,7 @@ void btrfs_btree_balance_dirty(struct btrfs_root *root, unsigned long nr)
        unsigned long thresh = 32 * 1024 * 1024;
        tree = &BTRFS_I(root->fs_info->btree_inode)->io_tree;
 
-       if (current_is_pdflush() || current->flags & PF_MEMALLOC)
+       if (current->flags & PF_MEMALLOC)
                return;
 
        num_dirty = count_range_bits(tree, &start, (u64)-1,