On Sun, Feb 25, 2024 at 05:32:14PM -0800, Linus Torvalds wrote: > But to take a different example, ext2 just calls > generic_file_write_iter() *without* taking the inode lock, and does > locking one page at a time. As far as I know, nobody ever really > complained. Uh? __generic_file_write_iter() doesn't take inode lock, but generic_file_write_iter() does. O_APPEND handling aside, there's also file_remove_privs() in there and it does need that lock.
