Btrfs: use nofs context when initializing security xattrs to avoid deadlock
commit 827aa18e7b903c5ff3b3cd8fec328a99b1dbd411 upstream. When initializing the security xattrs, we are holding a transaction handle therefore we need to use a GFP_NOFS context in order to avoid a deadlock with reclaim in case it's triggered. Fixes: 39a27ec1 ("btrfs: use GFP_KERNEL for xattr and acl allocations") Reviewed-by: NNikolay Borisov <nborisov@suse.com> Signed-off-by: NFilipe Manana <fdmanana@suse.com> Reviewed-by: NDavid Sterba <dsterba@suse.com> Signed-off-by: NDavid Sterba <dsterba@suse.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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