Daniel Borkmann bb35a6ef7d bpf, inode: allow for rename and link ops ... Add support for renaming and hard links to the fs. Most of this can be implemented by using simple library operations under the same constraints that we don't use a reserved name like elsewhere. Linking can be useful to share/manage things like maps across subsystem users. It works within the file system boundary, but is not allowed for directories. Symbolic links are explicitly not implemented here, as it can be better done already by doing bind mounts inside bpf fs to set up shared directories f.e. useful when using volumes in docker containers that map a private working directory into /sys/fs/bpf/ which contains itself a bind mounted path from the host's /sys/fs/bpf/ mount that is shared among multiple containers. For single maps instead of whole directory, hard links can be easily used to do the same. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>		2015-12-12 18:44:23 -05:00
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arraymap.c	bpf: fix allocation warnings in bpf maps and integer overflow	2015-12-02 23:36:00 -05:00
core.c	bpf: consolidate bpf_prog_put{, _rcu} dismantle paths	2015-11-02 22:48:39 -05:00
hashtab.c	bpf: fix allocation warnings in bpf maps and integer overflow	2015-12-02 23:36:00 -05:00
helpers.c	bpf: split state from prandom_u32() and consolidate {c, e}BPF prngs	2015-10-08 05:26:39 -07:00
inode.c	bpf, inode: allow for rename and link ops	2015-12-12 18:44:23 -05:00
Makefile	bpf: add support for persistent maps/progs	2015-11-02 22:48:39 -05:00
syscall.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2015-12-03 21:09:12 -05:00
verifier.c	bpf: fix clearing on persistent program array maps	2015-11-25 12:14:09 -05:00