Fix embedded bp accounting in count_block() #8766
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Currently, count_block() does not correctly account for the possibility that the bp that is passed to it could be embedded. These blocks shouldn't be counted since the work of scanning these blocks in already handled when the containing block is scanned. This patch simply resolves this issue by returning early in this case. Authored-by: Bill Sommerfeld <[email protected]> Signed-off-by: Tom Caputi <[email protected]>
Codecov Report
@@ Coverage Diff @@
## master #8766 +/- ##
==========================================
+ Coverage 78.63% 78.64% +<.01%
==========================================
Files 381 381
Lines 117798 117799 +1
==========================================
+ Hits 92636 92646 +10
+ Misses 25162 25153 -9
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behlendorf
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May 24, 2019
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Status: Accepted
allanjude
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May 25, 2019
behlendorf
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Jun 7, 2019
Currently, count_block() does not correctly account for the possibility that the bp that is passed to it could be embedded. These blocks shouldn't be counted since the work of scanning these blocks in already handled when the containing block is scanned. This patch simply resolves this issue by returning early in this case. Reviewed by: Allan Jude <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Authored-by: Bill Sommerfeld <[email protected]> Signed-off-by: Tom Caputi <[email protected]> Closes #8800 Closes #8766
allanjude
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Jun 7, 2019
Currently, count_block() does not correctly account for the possibility that the bp that is passed to it could be embedded. These blocks shouldn't be counted since the work of scanning these blocks in already handled when the containing block is scanned. This patch simply resolves this issue by returning early in this case. Reviewed by: Allan Jude <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Authored-by: Bill Sommerfeld <[email protected]> Signed-off-by: Tom Caputi <[email protected]> Closes openzfs#8800 Closes openzfs#8766
This was referenced Jun 12, 2019
allanjude
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Jun 15, 2019
Currently, count_block() does not correctly account for the possibility that the bp that is passed to it could be embedded. These blocks shouldn't be counted since the work of scanning these blocks in already handled when the containing block is scanned. This patch simply resolves this issue by returning early in this case. Reviewed by: Allan Jude <[email protected]> Reviewed-by: Brian Behlendorf <[email protected]> Authored-by: Bill Sommerfeld <[email protected]> Signed-off-by: Tom Caputi <[email protected]> Closes openzfs#8800 Closes openzfs#8766
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Currently, count_block() does not correctly account for the
possibility that the bp that is passed to it could be embedded.
These blocks shouldn't be counted since the work of scanning
these blocks in already handled when the containing block is
scanned. This patch simply resolves this issue by returning
early in this case.
Authored-by: Bill Sommerfeld [email protected]
Signed-off-by: Tom Caputi [email protected]
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Checklist:
Signed-off-by.