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Add support for read only mmap(). Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
Add support for writable MAP_SHARED mmap()ings. Avoid issues with late writepage()s building transactions by doing the block_write_begin() work in scoutfs_data_page_mkwrite(). Ensure the page is marked dirty and prepared for write, then let the VM complete the write when the page is flushed or invalidated. Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
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Please review this patch set which adds support for both read and writable mmap support for scouts.