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Fix typos in comments
The changes done in this commit impact comments with no direct user-visible changes, with fixes for incorrect function, variable or structure names. Author: Alexander Lakhin Discussion: https://postgr.es/m/e8c38840-596a-83d6-bd8d-cebc51111572@gmail.com
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@@ -809,7 +809,7 @@ SlruPhysicalWritePage(SlruCtl ctl, int pageno, int slotno, SlruWriteAll fdata)
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}
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/*
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* During a WriteAll, we may already have the desired file open.
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* During a SimpleLruWriteAll, we may already have the desired file open.
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*/
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if (fdata)
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{
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@@ -864,7 +864,7 @@ SlruPhysicalWritePage(SlruCtl ctl, int pageno, int slotno, SlruWriteAll fdata)
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else
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{
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/*
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* In the unlikely event that we exceed MAX_FLUSH_BUFFERS,
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* In the unlikely event that we exceed MAX_WRITEALL_BUFFERS,
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* fall back to treating it as a standalone write.
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*/
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fdata = NULL;
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@@ -1478,7 +1478,7 @@ SlruPagePrecedesTestOffset(SlruCtl ctl, int per_page, uint32 offset)
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*
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* This assumes every uint32 >= FirstNormalTransactionId is a valid key. It
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* assumes each value occupies a contiguous, fixed-size region of SLRU bytes.
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* (MultiXactMemberCtl separates flags from XIDs. AsyncCtl has
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* (MultiXactMemberCtl separates flags from XIDs. NotifyCtl has
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* variable-length entries, no keys, and no random access. These unit tests
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* do not apply to them.)
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*/
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@@ -1476,7 +1476,7 @@ err:
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}
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/*
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* Helper function to ease writing of XLogRoutine->page_read callbacks.
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* Helper function to ease writing of XLogReaderRoutine->page_read callbacks.
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* If this function is used, caller must supply a segment_open callback in
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* 'state', as that is used here.
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*
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@@ -1513,7 +1513,7 @@ WALRead(XLogReaderState *state,
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/*
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* If the data we want is not in a segment we have open, close what we
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* have (if anything) and open the next one, using the caller's
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* provided openSegment callback.
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* provided segment_open callback.
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*/
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if (state->seg.ws_file < 0 ||
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!XLByteInSeg(recptr, state->seg.ws_segno, state->segcxt.ws_segsize) ||
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