| commit | 232530680290ba94ca37852ab10d9556ea28badf | [log] [tgz] |
|---|---|---|
| author | Theodore Ts'o <tytso@mit.edu> | Wed Nov 08 22:23:20 2017 -0500 |
| committer | Theodore Ts'o <tytso@mit.edu> | Wed Nov 08 22:23:20 2017 -0500 |
| tree | cf23ba2b6c563adc685f3b9fee830ac7d202546c | |
| parent | d77147ff443b255d82c907a632c825b2cc610b10 [diff] |
ext4: improve smp scalability for inode generation ->s_next_generation is protected by s_next_gen_lock but its usage pattern is very primitive. We don't actually need sequentially increasing new generation numbers, so let's use prandom_u32() instead. Reported-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Theodore Ts'o <tytso@mit.edu>