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LockBuffer should not elog while holding buffer's cntx_lock.

This commit is contained in:
Tom Lane 2001-01-08 18:31:49 +00:00
parent 6adc255f8a
commit e2586c3c62
1 changed files with 11 additions and 4 deletions
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15
src/backend/storage/buffer/bufmgr.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.101 2000/12/29 21:31:21 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.102 2001/01/08 18:31:49 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -1977,7 +1977,10 @@ LockBuffer(Buffer buffer, int mode)
*buflock &= ~BL_W_LOCK;
}
else
{
S_UNLOCK(&(buf->cntx_lock));
elog(ERROR, "UNLockBuffer: buffer %lu is not locked", buffer);
}
}
else if (mode == BUFFER_LOCK_SHARE)
{
@ -2033,7 +2036,10 @@ LockBuffer(Buffer buffer, int mode)
}
}
else
{
S_UNLOCK(&(buf->cntx_lock));
elog(ERROR, "LockBuffer: unknown lock mode %d", mode);
}
S_UNLOCK(&(buf->cntx_lock));
}
@ -2122,11 +2128,11 @@ InitBufferIO(void)
#endif
/*
* Clean up any active buffer I/O after an error.
* This function is called from ProcReleaseSpins().
* BufMgrLock isn't held when this function is called.
* BM_IO_ERROR is always set. If BM_IO_ERROR was already
* set in case of output,this routine would kill all
* backends and reset postmaster.
*
* If I/O was in progress, BM_IO_ERROR is always set.
*/
void
AbortBufferIO(void)
@ -2142,6 +2148,7 @@ AbortBufferIO(void)
else
{
Assert(buf->flags & BM_DIRTY || buf->cntxDirty);
/* Issue notice if this is not the first failure... */
if (buf->flags & BM_IO_ERROR)
{
elog(NOTICE, "write error may be permanent: cannot write block %u for %s/%s",