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| author | Jakob Unterwurzacher | 2009-01-17 02:38:32 +0100 |
|---|---|---|
| committer | Karel Zak | 2009-05-27 23:43:18 +0200 |
| commit | 5dc9371ce6ab327b627b29771e7bb3d26f363e9e (patch) | |
| tree | fb125c02760368a08a456291ecc48c64cd94e3d7 /schedutils/ionice.c | |
| parent | blkid: add device-mapper snapshot cow device probe (diff) | |
| download | kernel-qcow2-util-linux-5dc9371ce6ab327b627b29771e7bb3d26f363e9e.tar.gz kernel-qcow2-util-linux-5dc9371ce6ab327b627b29771e7bb3d26f363e9e.tar.xz kernel-qcow2-util-linux-5dc9371ce6ab327b627b29771e7bb3d26f363e9e.zip | |
ionice: Allow setting the none class
Allow users to set the "none" class on processes. Using the
none class has the distict advantage that the io priority
is inherited from the cpu nice level. Update the man page
to reflect the change.
Signed-off-by: Jakob Unterwurzacher <jakobunt@gmail.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'schedutils/ionice.c')
| -rw-r--r-- | schedutils/ionice.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/schedutils/ionice.c b/schedutils/ionice.c index 5f1f34894..082b23bab 100644 --- a/schedutils/ionice.c +++ b/schedutils/ionice.c @@ -85,7 +85,7 @@ static void usage(int rc) "\nOptions:\n" " -n <classdata> class data (0-7, lower being higher prio)\n" " -c <class> scheduling class\n" - " 1: realtime, 2: best-effort, 3: idle\n" + " 0: none, 1: realtime, 2: best-effort, 3: idle\n" " -t ignore failures\n" " -h this help\n\n")); exit(rc); @@ -147,7 +147,9 @@ int main(int argc, char *argv[]) switch (ioclass) { case IOPRIO_CLASS_NONE: - ioclass = IOPRIO_CLASS_BE; + if (set & 1) + warnx(_("ignoring given class data for none class")); + ioprio = 0; break; case IOPRIO_CLASS_RT: case IOPRIO_CLASS_BE: |