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blkio bandwidth: don't clean up all of entries in blockio_device_bandwidths list

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if we get BlockIOReadBandwidth="", we should only remove the
read-bandwidth-entries in blockio_device_bandwidths list.
This commit is contained in:
Gao feng
2013-09-10 17:12:13 +02:00
committed by Lennart Poettering
parent 27722f9643
commit 47c0980d37
1 changed files with 9 additions and 3 deletions
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src/core/load-fragment.c
+9 -3
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@@ -2205,6 +2205,7 @@ int config_parse_blockio_bandwidth(
CGroupContext *c = data;
const char *bandwidth;
off_t bytes;
bool read;
size_t n;
int r;
@@ -2212,9 +2213,14 @@ int config_parse_blockio_bandwidth(
assert(lvalue);
assert(rvalue);
read = streq("BlockIOReadBandwidth", lvalue);
if (isempty(rvalue)) {
while (c->blockio_device_bandwidths)
cgroup_context_free_blockio_device_bandwidth(c, c->blockio_device_bandwidths);
CGroupBlockIODeviceBandwidth *next;
LIST_FOREACH_SAFE (device_bandwidths, b, next, c->blockio_device_bandwidths)
if (b->read == read)
cgroup_context_free_blockio_device_bandwidth(c, b);
return 0;
}
@@ -2253,7 +2259,7 @@ int config_parse_blockio_bandwidth(
b->path = path;
path = NULL;
b->bandwidth = (uint64_t) bytes;
b->read = streq("BlockIOReadBandwidth", lvalue);
b->read = read;
LIST_PREPEND(CGroupBlockIODeviceBandwidth, device_bandwidths, c->blockio_device_bandwidths, b);