Question about GFP_KERNEL argument in radix_tree_preload

[Sanidhya Kashyap]

Hello David,

We have been doing some analysis on file systems and have a question
regarding the GFP_KERNEL flag used in radix_tree_preload in
xfs_mru_cache_insert.

We think that this should be GFP_NOFS as it is related to the block
allocation and other file systems(eg btrfs,ext2) are also using
GFP_NOFS for the same.

It would be great if you can let us know your reason for using that
flag and which one is the correct option?

Thanks,
Sanidhya