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vol-fssync-ack-before-breaking-callbacks-20020612

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given that we don't bother to do anything to return value, we can ack
the fssync op earlier and not tie up the volserver unnecessarily

found due to comments from brent.johnson@jpl.nasa.gov
This commit is contained in:
Derrick Brashear 2002-06-12 23:07:08 +00:00
parent 6260cbecd0
commit d7e3e249cb
1 changed files with 17 additions and 3 deletions
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20
src/vol/fssync.c
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@ -321,7 +321,7 @@ static void FSYNC_com(fd)
int fd;
{
byte rc = FSYNC_OK;
int n, i;
int n, i, ack = 1;
Error error;
struct command command;
int leaveonline;
@ -507,6 +507,12 @@ defect #2080 for details.
vp->specialStatus = VMOVED;
VPutVolume_r(vp);
}
#ifdef AFS_NT40_ENV
send(fd, &rc, 1, 0);
#else
write(fd, &rc, 1);
#endif
ack = 0;
if (V_BreakVolumeCallbacks) {
Log("fssync: volume %u moved to %x; breaking all call backs\n",
command.volume, command.reason);
@ -519,6 +525,12 @@ defect #2080 for details.
break;
case FSYNC_RESTOREVOLUME:
/* if the volume is being restored, break all callbacks on it*/
#ifdef AFS_NT40_ENV
send(fd, &rc, 1, 0);
#else
write(fd, &rc, 1);
#endif
ack = 0;
if (V_BreakVolumeCallbacks) {
VOL_UNLOCK
VATTACH_UNLOCK
@ -533,11 +545,13 @@ defect #2080 for details.
}
VOL_UNLOCK
VATTACH_UNLOCK
if (ack) {
#ifdef AFS_NT40_ENV
send(fd, &rc, 1, 0);
send(fd, &rc, 1, 0);
#else
write(fd, &rc, 1);
write(fd, &rc, 1);
#endif
}
}
static void FSYNC_Drop(fd)