Commit 9d3a39a5 authored by Khazhismel Kumykov's avatar Khazhismel Kumykov Committed by Jens Axboe

block: grant IOPRIO_CLASS_RT to CAP_SYS_NICE

CAP_SYS_ADMIN is too broad, and ionice fits into CAP_SYS_NICE's grouping.

Retain CAP_SYS_ADMIN permission for backwards compatibility.
Signed-off-by: default avatarKhazhismel Kumykov <khazhy@google.com>
Reviewed-by: default avatarBart Van Assche <bvanassche@acm.org>
Acked-by: default avatarSerge Hallyn <serge@hallyn.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent a7863b34
......@@ -69,7 +69,7 @@ int ioprio_check_cap(int ioprio)
switch (class) {
case IOPRIO_CLASS_RT:
if (!capable(CAP_SYS_ADMIN))
if (!capable(CAP_SYS_NICE) && !capable(CAP_SYS_ADMIN))
return -EPERM;
fallthrough;
/* rt has prio field too */
......
......@@ -288,6 +288,8 @@ struct vfs_ns_cap_data {
processes and setting the scheduling algorithm used by another
process. */
/* Allow setting cpu affinity on other processes */
/* Allow setting realtime ioprio class */
/* Allow setting ioprio class on other processes */
#define CAP_SYS_NICE 23
......
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