diff options
| author | Daeho Jeong <[email protected]> | 2021-08-02 21:22:45 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <[email protected]> | 2021-08-03 11:16:22 -0700 |
| commit | 0f6b56ec958d49e2b3dc955cdac6b62702c04b72 (patch) | |
| tree | 7d6b246158ca89612e6004bf773fa1224a87d5ac /tools/perf/scripts/python/syscall-counts-by-pid.py | |
| parent | 4f993264fe2965c344f223d854ccbb549b16ed71 (diff) | |
f2fs: add sysfs node to control ra_pages for fadvise seq file
fadvise() allows the user to expand the readahead window to double with
POSIX_FADV_SEQUENTIAL, now. But, in some use cases, it is not that
sufficient and we need to meet the need in a restricted way. We can
control the multiplier value of bdi device readahead between 2 (default)
and 256 for POSIX_FADV_SEQUENTIAL advise option.
Signed-off-by: Daeho Jeong <[email protected]>
Reviewed-by: Chao Yu <[email protected]>
Signed-off-by: Jaegeuk Kim <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts-by-pid.py')
0 files changed, 0 insertions, 0 deletions