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DEVEL15-windows-update-volume-status-20071223

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LICENSE MIT

Refactor cm_UpdateVolumeStatus.  Revise behavior to treat volid 0 as
update the volume status for all volumes in the volume group.


(cherry picked from commit 815cd6f19ec37330e7829506c1208c9426b3a41f)
This commit is contained in:
Jeffrey Altman 2007-12-24 05:19:09 +00:00
parent f3d00f8f23
commit a4dc1317ca
1 changed files with 31 additions and 13 deletions
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44
src/WINNT/afsd/cm_volume.c
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@ -1119,24 +1119,16 @@ void cm_CheckOfflineVolumes(void)
lock_ReleaseWrite(&cm_volumeLock);
}
void
cm_UpdateVolumeStatus(cm_volume_t *volp, afs_uint32 volID)
static void
cm_UpdateVolumeStatusInt(cm_volume_t *volp, struct cm_vol_state *statep)
{
struct cm_vol_state * statep = NULL;
enum volstatus newStatus;
cm_serverRef_t *tsrp;
cm_server_t *tsp;
int someBusy = 0, someOffline = 0, allOffline = 1, allBusy = 1, allDown = 1;
if (volp->rw.ID == volID) {
statep = &volp->rw;
} else if (volp->ro.ID == volID) {
statep = &volp->ro;
} else if (volp->bk.ID == volID) {
statep = &volp->bk;
}
if (!statep) {
if (!volp || !statep) {
#ifdef DEBUG
DebugBreak();
#endif
@ -1173,13 +1165,39 @@ cm_UpdateVolumeStatus(cm_volume_t *volp, afs_uint32 volID)
else
newStatus = vl_online;
if (statep->ID && statep->state != newStatus)
cm_VolumeStatusNotification(volp, statep->ID, statep->state, newStatus);
statep->state = newStatus;
}
void
cm_UpdateVolumeStatus(cm_volume_t *volp, afs_uint32 volID)
{
if (volp->rw.ID == volID) {
cm_UpdateVolumeStatusInt(volp, &volp->rw);
} else if (volp->ro.ID == volID) {
cm_UpdateVolumeStatusInt(volp, &volp->ro);
} else if (volp->bk.ID == volID) {
cm_UpdateVolumeStatusInt(volp, &volp->bk);
} else {
/*
* If we are called with volID == 0 then something has gone wrong.
* Most likely a race occurred in the server volume list maintenance.
* Since we don't know which volume's status should be updated,
* just update all of them that are known to exist. Better to be
* correct than fast.
*/
if (volp->rw.ID != 0)
cm_UpdateVolumeStatusInt(volp, &volp->rw);
if (volp->ro.ID != 0)
cm_UpdateVolumeStatusInt(volp, &volp->ro);
if (volp->bk.ID != 0)
cm_UpdateVolumeStatusInt(volp, &volp->bk);
}
}
/*
** Finds all volumes that reside on this server and reorders their
** RO list according to the changed rank of server.