- 09 Mar, 2019 2 commits
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J. R. Okajima authored
Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>
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J. R. Okajima authored
For a directory which has millions of files, aufs VDIR consumes much memory. In this case, RDU (readdir(3) in user-space) is definitely better. If you enable CONFIG_AUFS_RDU at compiling aufs, install libau.so from aufs-util.git, and set some environment variables, then you can use this feature. When readdir(3) in libau.so receives an aufs dir, it issues ioctl(2) instead of regular readdir(3). All merging and whiteout handling are done in userspace. Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>
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