052995e65e
The init process configures swapping over zram over a loop device. An
I/O scheduler is associated with the loop device. Tests have shown that
no I/O scheduler works better than the default, mq-deadline. Hence
allow the init process to configure the loop device I/O scheduler.
Without this patch, the following SELinux denials are reported during
boot:
1 1 I auditd : type=1400 audit(0.0:4): avc: denied { read write } for comm="init" name="scheduler" dev="sysfs" ino=78312 scontext=u:r:init:s0 tcontext=u:object_r:sysfs_loop:s0 tclass=file permissive=0
1 1 I auditd : type=1400 audit(0.0:4): avc: denied { read write } for comm="init" name="scheduler" dev="sysfs" ino=78312 scontext=u:r:init:s0 tcontext=u:object_r:sysfs_loop:s0 tclass=file permissive=0
Bug: 194450129
Test: Built Android images and installed these on an Android device.
Ignore-AOSP-First: This patch is already in AOSP.
Merged-In: I0af0a92c53bb1f68b57f6814c431a7f03d8ea967
Change-Id: I0af0a92c53bb1f68b57f6814c431a7f03d8ea967
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
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