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| author | Ilya Dryomov <idryomov@gmail.com> | 2020-05-22 15:24:53 +0200 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-06-01 13:22:53 +0200 |
| commit | 45e6aa9f5592cd127367074f4822039cd8a825c3 (patch) | |
| tree | c76d86a35c3aa9b67112060635093369d20b577c /include/linux/ceph/libceph.h | |
| parent | 86403a92c3c5c6c395983fdbfc5e2f29dc39279b (diff) | |
| download | linux-stable-45e6aa9f5592cd127367074f4822039cd8a825c3.tar.gz linux-stable-45e6aa9f5592cd127367074f4822039cd8a825c3.tar.bz2 linux-stable-45e6aa9f5592cd127367074f4822039cd8a825c3.zip | |
libceph: crush_location infrastructure
Allow expressing client's location in terms of CRUSH hierarchy as
a set of (bucket type name, bucket name) pairs. The userspace syntax
"crush_location = key1=value1 key2=value2" is incompatible with mount
options and needed adaptation. Key-value pairs are separated by '|'
and we use ':' instead of '=' to separate keys from values. So for:
crush_location = host=foo rack=bar
one would write:
crush_location=host:foo|rack:bar
As in userspace, "multipath" locations are supported, so indicating
locality for parallel hierarchies is possible:
crush_location=rack:foo1|rack:foo2|datacenter:bar
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Diffstat (limited to 'include/linux/ceph/libceph.h')
| -rw-r--r-- | include/linux/ceph/libceph.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h index 4b5a47bcaba4..4733959f1ec7 100644 --- a/include/linux/ceph/libceph.h +++ b/include/linux/ceph/libceph.h @@ -64,6 +64,7 @@ struct ceph_options { int num_mon; char *name; struct ceph_crypto_key *key; + struct rb_root crush_locs; }; /* |