On Mon, Apr 15, 2019 at 09:29:10AM +0100, [email protected] wrote: > From: Filipe Manana <[email protected]> > > As of commit bb739cf08e8f32 ("btrfs: btrfs_check_shared should manage its > own transaction") btrfs_check_shared() manages its own transaction, it > no longer receives a transaction handle as parameter. Since it is used > only in the fiemap path, the ulists it needs to use are allocated before > it grabs a transaction handle and we are not holding any locks that could > cause a deadlock in case reclaim happens during a memory allocation, we > can use the GFP_KERNEL flag to allocate the ulists instead of GFP_NOFS. > So do that switch. > > Signed-off-by: Filipe Manana <[email protected]>
Reviewed-by: David Sterba <[email protected]>
