thodg/libgit2/tests/pack

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  • Hash : b3b66c57
    Author : Carlos Martín Nieto
    Date : 2014-06-18T17:13:12 

    Share packs across repository instances

Opening the same repository multiple times will currently open the same
file multiple times, as well as map the same region of the file multiple
times. This is not necessary, as the packfile data is immutable.

Instead of opening and closing packfiles directly, introduce an
indirection and allocate packfiles globally. This does mean locking on
each packfile open, but we already use this lock for the global mwindow
list so it doesn't introduce a new contention point.

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