AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-26 16:20:51 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drbd: move set_disk_ro() to after we persisted the new role

Browse Source 
This probably does not have any real life impact,
but we should first persist any potentially new UUID
and other meta data flags, as well as our new role,
before we allow/disallow write access.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Lars Ellenberg 2014-02-05 06:28:08 +01:00 committed by Philipp Reisner
parent 123ff122ad
commit 720979fb90
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/block/drbd/drbd_nl.c
View File

@ -655,7 +655,6 @@ drbd_set_role(struct drbd_device *const device, enum drbd_role new_role, int for
/* FIXME also wait for all pending P_BARRIER_ACK? */
if (new_role == R_SECONDARY) {
set_disk_ro(device->vdisk, true);
if (get_ldev(device)) {
device->ldev->md.uuid[UI_CURRENT] &= ~(u64)1;
put_ldev(device);
@ -667,7 +666,6 @@ drbd_set_role(struct drbd_device *const device, enum drbd_role new_role, int for
nc->discard_my_data = 0; /* without copy; single bit op is atomic */
mutex_unlock(&device->resource->conf_update);
set_disk_ro(device->vdisk, false);
if (get_ldev(device)) {
if (((device->state.conn < C_CONNECTED ||
device->state.pdsk <= D_FAILED)
@ -690,7 +688,7 @@ drbd_set_role(struct drbd_device *const device, enum drbd_role new_role, int for
}
drbd_md_sync(device);
set_disk_ro(device->vdisk, new_role == R_SECONDARY);
kobject_uevent(&disk_to_dev(device->vdisk)->kobj, KOBJ_CHANGE);
out:
mutex_unlock(device->state_mutex);