4af6ccb469
Pull simple offset series from Chuck Lever In an effort to address slab fragmentation issues reported a few months ago, I've replaced the use of xarrays for the directory offset map in "simple" file systems (including tmpfs). Thanks to Liam Howlett for helping me get this working with Maple Trees. * series 'Use Maple Trees for simple_offset utilities' of https://lore.kernel.org/r/170820083431.6328.16233178852085891453.stgit@91.116.238.104.host.secureserver.net: (6 commits) libfs: Convert simple directory offsets to use a Maple Tree test_maple_tree: testing the cyclic allocation maple_tree: Add mtree_alloc_cyclic() libfs: Add simple_offset_empty() libfs: Define a minimum directory offset libfs: Re-arrange locking in offset_iterate_dir() Signed-off-by: Christian Brauner <brauner@kernel.org> |
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