couchbase / moss / 258

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travis-ci

<a href="https://github.com/couchbase/moss/commit/<a class=hub.com/couchbase/moss/commit/9fdd76410d2ca8d75ca00387f3c83a3c3a1eb621">9fdd76410<a href="https://github.com/couchbase/moss/commit/9fdd76410d2ca8d75ca00387f3c83a3c3a1eb621">&quot;&gt;MB-24990: Prevent lock inversion during stats &amp;amp; file removal

Deadlock caused when:
Stats go routine:
================
moss.(*FileRef).FetchRefCount+0x38 file.go:134
moss.(*Store).allFiles+0x88e store.go:343
 (Has the store lock tries to grab FileRef lock)

File Removal go routine
================:
 moss.(*Store).removeFileOnClose.func1+0x68 store.go:315
 moss.(*FileRef).DecRef+0x12b file.go:109
 moss.(*mmapRef).DecRef+0xee mmap.go:55
 moss.SegmentLocs.DecRef+0xc9 store_api.go:188
 moss.(*Footer).DecRef+0x79 store_footer.go:368
 moss.(*Footer).Close+0x2a store_footer.go:352
 (Has the FileRef lock and tries to grab store lock)

Change-Id: I</a><a class="double-link" href="https://github.com/couchbase/moss/commit/<a class="double-link" href="https://github.com/couchbase/moss/commit/772dd292bac4e3b7f821e08aceea5a9e6a494697">772dd292b</a>">772dd292b</a><a href="https://github.com/couchbase/moss/commit/9fdd76410d2ca8d75ca00387f3c83a3c3a1eb621">
Reviewed-on: http://review.couchbase.org/79909
Well-Formed: Build Bot &lt;build@couchbase.com&gt;
Reviewed-by: Steve Yen &lt;steve.yen@gmail.com&gt;
Reviewed-by: abhinav dangeti &lt;abhinav@couchbase.com>
Tested-by: abhinav dangeti <abhinav@couchbase.com>

3 of 3 new or added lines in 1 file covered. (100.0%)

3027 of 3679 relevant lines covered (82.28%)

100583.3 hits per line