Brad Bishop | 1a4b7ee | 2018-12-16 17:11:34 -0800 | [diff] [blame^] | 1 | From 9302b72e5e69512aaa7106197b00c55baeb35b3c Mon Sep 17 00:00:00 2001 |
| 2 | From: Hongxu Jia <hongxu.jia@windriver.com> |
| 3 | Date: Fri, 17 Nov 2017 09:46:00 +0800 |
| 4 | Subject: [PATCH 7/9] rules: watch metadata changes in ide devices |
| 5 | |
| 6 | Formatting IDE storage does not trigger "change" uevents. As a result |
| 7 | clients using udev API don't get any updates afterwards and get outdated |
| 8 | information about the device. |
| 9 | ... |
| 10 | root@qemux86-64:~# mkfs.ext4 -F /dev/hda1 |
| 11 | Creating filesystem with 262144 4k blocks and 65536 inodes |
| 12 | Filesystem UUID: 98791eb2-2bf3-47ad-b4d8-4cf7e914eee2 |
| 13 | |
| 14 | root@qemux86-64:~# ls /dev/disk/by-uuid/98791eb2-2bf3-47ad-b4d8-4cf7e914eee2 |
| 15 | ls: cannot access '/dev/disk/by-uuid/98791eb2-2bf3-47ad-b4d8-4cf7e914eee2': No such file or directory |
| 16 | ... |
| 17 | Include hd* in a match for watch option assignment. |
| 18 | |
| 19 | Upstream-Status: Denied |
| 20 | |
| 21 | qemu by default emulates IDE and the linux-yocto kernel(s) use |
| 22 | CONFIG_IDE instead of the more modern libsata, so disks appear as |
| 23 | /dev/hd*. A similar patch rejected by upstream because CONFIG_IDE |
| 24 | is deprecated. |
| 25 | |
| 26 | Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com> |
| 27 | --- |
| 28 | rules/60-block.rules | 2 +- |
| 29 | 1 file changed, 1 insertion(+), 1 deletion(-) |
| 30 | |
| 31 | diff --git a/rules/60-block.rules b/rules/60-block.rules |
| 32 | index 343fc06f8..b5237dac4 100644 |
| 33 | --- a/rules/60-block.rules |
| 34 | +++ b/rules/60-block.rules |
| 35 | @@ -8,4 +8,4 @@ ACTION=="add", SUBSYSTEM=="module", KERNEL=="block", ATTR{parameters/events_dfl_ |
| 36 | ACTION=="change", SUBSYSTEM=="scsi", ENV{DEVTYPE}=="scsi_device", TEST=="block", ATTR{block/*/uevent}="change" |
| 37 | |
| 38 | # watch metadata changes, caused by tools closing the device node which was opened for writing |
| 39 | -ACTION!="remove", SUBSYSTEM=="block", KERNEL=="loop*|nvme*|sd*|vd*|xvd*|pmem*|mmcblk*", OPTIONS+="watch" |
| 40 | +ACTION!="remove", SUBSYSTEM=="block", KERNEL=="loop*|nvme*|sd*|vd*|xvd*|pmem*|mmcblk*|hd*", OPTIONS+="watch" |
| 41 | -- |
| 42 | 2.11.0 |
| 43 | |