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ruanhaishen
redis
Commits
15651066
Commit
15651066
authored
May 08, 2018
by
赵磊
Committed by
antirez
Jun 08, 2018
Browse files
Fix dictScan(): It can't scan all buckets when dict is shrinking.
parent
2717be63
Changes
1
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Inline
Side-by-side
src/dict.c
View file @
15651066
...
...
@@ -871,6 +871,15 @@ unsigned long dictScan(dict *d,
de
=
de
->
next
;
}
/* Set unmasked bits so incrementing the reversed cursor
* operates on the masked bits */
v
|=
~
m0
;
/* Increment the reverse cursor */
v
=
rev
(
v
);
v
++
;
v
=
rev
(
v
);
}
else
{
t0
=
&
d
->
ht
[
0
];
t1
=
&
d
->
ht
[
1
];
...
...
@@ -901,22 +910,16 @@ unsigned long dictScan(dict *d,
de
=
de
->
next
;
}
/* Increment bits not covered by the smaller mask */
v
=
(((
v
|
m0
)
+
1
)
&
~
m0
)
|
(
v
&
m0
);
/* Increment the reverse cursor not covered by the smaller mask.*/
v
|=
~
m1
;
v
=
rev
(
v
);
v
++
;
v
=
rev
(
v
);
/* Continue while bits covered by mask difference is non-zero */
}
while
(
v
&
(
m0
^
m1
));
}
/* Set unmasked bits so incrementing the reversed cursor
* operates on the masked bits of the smaller table */
v
|=
~
m0
;
/* Increment the reverse cursor */
v
=
rev
(
v
);
v
++
;
v
=
rev
(
v
);
return
v
;
}
...
...
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