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authorShaohua Li <shli@fb.com>2017-07-12 11:49:51 -0700
committerJens Axboe <axboe@kernel.dk>2017-07-29 09:00:03 -0600
commitaa8188253474b4053bc2900d9fcb545ce68bdf5c (patch)
tree7d7afd563e9f2cd46cf8c0a0299aab42fcf764e9 /block/ioctl.c
parentc53cd490b1a491ebf1d8e30da97e7231459a4208 (diff)
downloadlinux-aa8188253474b4053bc2900d9fcb545ce68bdf5c.tar.bz2
kernfs: add exportfs operations
Now we have the facilities to implement exportfs operations. The idea is cgroup can export the fhandle info to userspace, then userspace uses fhandle to find the cgroup name. Another example is userspace can get fhandle for a cgroup and BPF uses the fhandle to filter info for the cgroup. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Shaohua Li <shli@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/ioctl.c')
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