1) Some apps want to monitor changes in EFI variables, but reading the file and comparing is inefficient. Just have Linnux update the modification time when a file is written 2) A rate limited read can return -EINTR ... very suprising to apps. Tony Luck (2): efivarfs: Update inode modification time for successful writes efivarfs: Don't return -EINTR when rate-limiting reads fs/efivarfs/file.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) -- 2.21.1