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| author |   Guoqing Jiang <guoqing.jiang@cloud.ionos.com> | 2019-12-23 10:48:56 +0100 |
|---|---|---|
| committer |   Song Liu <songliubraving@fb.com> | 2020-01-13 11:44:09 -0800 |
| commit | 3938f5fb82aedbf39792ffee448c61c819e6ab38 (patch) | |
| tree | 23865cd56308cae6332a4239f3e1ede1751a3311 /drivers/md/md.h | |
| parent | md: prepare for enable raid1 io serialization (diff) | |
| download | linux-dev-3938f5fb82aedbf39792ffee448c61c819e6ab38.tar.xz linux-dev-3938f5fb82aedbf39792ffee448c61c819e6ab38.zip | |
md: add serialize_policy sysfs node for raid1
With the new sysfs node, we can use it to control if raid1 array
wants io serialization or not. So mddev_create_serial_pool and
mddev_destroy_serial_pool are called in serialize_policy_store
to enable or disable the serialization.
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Diffstat (limited to 'drivers/md/md.h')
| -rw-r--r-- | drivers/md/md.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/md.h b/drivers/md/md.h index de04a8d3a67a..f51a3afaee1b 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -494,6 +494,7 @@ struct mddev { bool has_superblocks:1; bool fail_last_dev:1; + bool serialize_policy:1; }; enum recovery_flags { |