Commit3adc8f2

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Move pin/unpin buffer to atomic operations.

1 parentb40d5d7 commit3adc8f2Copy full SHA for 3adc8f2

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+349

-209

lines changed

+349

-209

lines changed

Lines changed: 2 additions & 5 deletions

Original file line number	Diff line number	Diff line change
`@@ -95,12 +95,9 @@ InitBufferPool(void)`
`95`	`95`	`BufferDesc*buf=GetBufferDescriptor(i);`
`96`	`96`
`97`	`97`	`CLEAR_BUFFERTAG(buf->tag);`
`98`		`-buf->flags=0;`
`99`		`-buf->usage_count=0;`
`100`		`-buf->refcount=0;`
`101`		`-buf->wait_backend_pid=0;`
`102`	`98`
`103`		`-SpinLockInit(&buf->buf_hdr_lock);`
	`99`	`+pg_atomic_init_u32(&buf->state,0);`
	`100`	`+buf->wait_backend_pid=0;`
`104`	`101`
`105`	`102`	`buf->buf_id=i;`
`106`	`103`

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