A following patch will add another caller of
btrfs_lookup_ordered_extent(), but from a bio's endio context.
btrfs_lookup_ordered_extent() uses spin_lock_irq() which unconditionally
disables interrupts. Change this to spin_lock_irqsave() so interrupts
aren't disabled and re-enabled unconditionally.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
struct btrfs_ordered_inode_tree *tree;
struct rb_node *node;
struct btrfs_ordered_extent *entry = NULL;
+ unsigned long flags;
tree = &inode->ordered_tree;
- spin_lock_irq(&tree->lock);
+ spin_lock_irqsave(&tree->lock, flags);
node = tree_search(tree, file_offset);
if (!node)
goto out;
if (entry)
refcount_inc(&entry->refs);
out:
- spin_unlock_irq(&tree->lock);
+ spin_unlock_irqrestore(&tree->lock, flags);
return entry;
}