diff options
| author |   Tim Murray <timmurray@google.com> | 2022-01-07 12:48:44 -0800 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2022-01-24 17:40:04 -0800 |
| commit | e4544b63a7ee49e7fbebf35ece0a6acd3b9617ae (patch) | |
| tree | b55709d5753a19b8beacfcab1fe12dc8128435d7 /tools/perf/scripts/python | |
| parent | Merge tag 'powerpc-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux (diff) | |
| download | wireguard-linux-e4544b63a7ee49e7fbebf35ece0a6acd3b9617ae.tar.xz wireguard-linux-e4544b63a7ee49e7fbebf35ece0a6acd3b9617ae.zip | |
f2fs: move f2fs to use reader-unfair rwsems
f2fs rw_semaphores work better if writers can starve readers,
especially for the checkpoint thread, because writers are strictly
more important than reader threads. This prevents significant priority
inversion between low-priority readers that blocked while trying to
acquire the read lock and a second acquisition of the write lock that
might be blocking high priority work.
Signed-off-by: Tim Murray <timmurray@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions