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| author |   Theodore Ts'o <tytso@mit.edu> | 2017-11-08 22:23:20 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2017-11-08 22:23:20 -0500 |
| commit | 232530680290ba94ca37852ab10d9556ea28badf (patch) | |
| tree | cf23ba2b6c563adc685f3b9fee830ac7d202546c /include/linux/iomap.h | |
| parent | ext4: add support for online resizing with bigalloc (diff) | |
| download | linux-dev-232530680290ba94ca37852ab10d9556ea28badf.tar.xz linux-dev-232530680290ba94ca37852ab10d9556ea28badf.zip | |
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>
Diffstat (limited to 'include/linux/iomap.h')
0 files changed, 0 insertions, 0 deletions