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d9566085c6
When in tdb_store we re-use a dead record reactivated from the target hash chain itself, we currently leave it in its place in the chain. When we re-use a dead record from a different chain or from the freelist instead, we insert it at the beginning of the target chain. This patch changes the behaviour to always newly store a record at the beginning of the hash chain. This removes a special case and hence simplifies the allocation code. On the other hand side, it introduces two additioal tdb_ofs_write calls for the in-chain-case. Note the subtelty of the patch that by moving the case of the candidate record's chain as new case "i=0" into the for loop, we also reverse the order of the two steps in the for-loop body (non blocking freelist alloc and searching for dead record in a chain) in order to keep the overall order of execution identical. Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Autobuild-User(master): Michael Adam <obnox@samba.org> Autobuild-Date(master): Wed Apr 9 10:37:08 CEST 2014 on sn-devel-104 |
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