client: fix readdir vs fragmentation race #11147
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following sequence of events tigger the race client readdir frag 0* -> got item 'A' MDS merges frag 0* and frag 1* client send readdir request (frag 1*, offset 2, readdir_start 'A') MDS reply items (that are after item 'A') in frag * Fixes: http://tracker.ceph.com/issues/17286 Signed-off-by: Yan, Zheng <zyan@redhat.com>
gregsfortytwo
approved these changes
Sep 20, 2016
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following sequence of events tigger the race
client readdir frag 0* -> got item 'A'
MDS merges frag 0* and frag 1*
client send readdir request (frag 1*, offset 2, readdir_start 'A')
MDS reply items (that are after item 'A') in frag *
Fixes: http://tracker.ceph.com/issues/17286
Signed-off-by: Yan, Zheng zyan@redhat.com