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Moves the atomically accessed member to the top of the struct (#7365)
* Moves the 64bit atomically accessed field to the top of the struct. Signed-off-by: Bryan Varner <1652015+bvarner@users.noreply.github.com> * Moves the 64bit atomically accessed field to the top of the struct. Signed-off-by: Bryan Varner <1652015+bvarner@users.noreply.github.com> * Fixing up go fmt formatting issues. Signed-off-by: Bryan Varner <1652015+bvarner@users.noreply.github.com> Co-authored-by: Bryan Varner <1652015+bvarner@users.noreply.github.com>
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@ -78,13 +78,16 @@ func (e *CorruptionErr) Error() string {
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// ChunkDiskMapper is for writing the Head block chunks to the disk
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// and access chunks via mmapped file.
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type ChunkDiskMapper struct {
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// Keep all 64bit atomically accessed variables at the top of this struct.
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// See https://golang.org/pkg/sync/atomic/#pkg-note-BUG for more info.
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curFileNumBytes int64 // Bytes written in current open file.
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/// Writer.
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dir *os.File
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curFile *os.File // File being written to.
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curFileSequence int // Index of current open file being appended to.
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curFileMaxt int64 // Used for the size retention.
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curFileNumBytes int64 // Bytes written in current open file.
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byteBuf [MaxHeadChunkMetaSize]byte // Buffer used to write the header of the chunk.
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chkWriter *bufio.Writer // Writer for the current open file.
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