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author | Daeho Jeong <daehojeong@google.com> | 2021-08-02 21:22:45 -0700 |
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committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2021-08-03 11:16:22 -0700 |
commit | 0f6b56ec958d49e2b3dc955cdac6b62702c04b72 (patch) | |
tree | 7d6b246158ca89612e6004bf773fa1224a87d5ac /lib/hexdump.c | |
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 <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'lib/hexdump.c')
0 files changed, 0 insertions, 0 deletions