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pgindent run for 9.4
This includes removing tabs after periods in C comments, which was applied to back branches, so this change should not effect backpatching.
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@@ -114,9 +114,9 @@ typedef struct buftag
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*
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* Note: buf_hdr_lock must be held to examine or change the tag, flags,
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* usage_count, refcount, or wait_backend_pid fields. buf_id field never
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* changes after initialization, so does not need locking. freeNext is
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* changes after initialization, so does not need locking. freeNext is
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* protected by the BufFreelistLock not buf_hdr_lock. The LWLocks can take
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* care of themselves. The buf_hdr_lock is *not* used to control access to
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* care of themselves. The buf_hdr_lock is *not* used to control access to
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* the data in the buffer!
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*
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* An exception is that if we have the buffer pinned, its tag can't change
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@@ -127,7 +127,7 @@ typedef struct buftag
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*
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* We can't physically remove items from a disk page if another backend has
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* the buffer pinned. Hence, a backend may need to wait for all other pins
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* to go away. This is signaled by storing its own PID into
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* to go away. This is signaled by storing its own PID into
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* wait_backend_pid and setting flag bit BM_PIN_COUNT_WAITER. At present,
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* there can be only one such waiter per buffer.
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*
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@@ -147,7 +147,7 @@ typedef struct sbufdesc
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int buf_id; /* buffer's index number (from 0) */
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int freeNext; /* link in freelist chain */
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LWLock *io_in_progress_lock; /* to wait for I/O to complete */
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LWLock *io_in_progress_lock; /* to wait for I/O to complete */
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LWLock *content_lock; /* to lock access to buffer contents */
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} BufferDesc;
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