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libceph: assume argonaut on the server side

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No one is running pre-argonaut.  In addition one of the argonaut
features (NOSRCADDR) has been required since day one (and a half,
2.6.34 vs 2.6.35) of the kernel client.

Allow for the possibility of reusing these feature bits later.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Ilya Dryomov 2018-11-08 14:55:21 +01:00
parent 71f2cc64d0
commit 23c625ce30
2 changed files with 4 additions and 16 deletions
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8
fs/ceph/mds_client.c
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@ -80,12 +80,8 @@ static int parse_reply_info_in(void **p, void *end,
info->symlink = *p;
*p += info->symlink_len;
if (features & CEPH_FEATURE_DIRLAYOUTHASH)
ceph_decode_copy_safe(p, end, &info->dir_layout,
sizeof(info->dir_layout), bad);
else
memset(&info->dir_layout, 0, sizeof(info->dir_layout));
ceph_decode_32_safe(p, end, info->xattr_len, bad);
ceph_decode_need(p, end, info->xattr_len, bad);
info->xattr_data = *p;
@ -3182,10 +3178,8 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc,
recon_state.pagelist = pagelist;
if (session->s_con.peer_features & CEPH_FEATURE_MDSENC)
recon_state.msg_version = 3;
else if (session->s_con.peer_features & CEPH_FEATURE_FLOCK)
recon_state.msg_version = 2;
else
recon_state.msg_version = 1;
recon_state.msg_version = 2;
err = iterate_session_caps(session, encode_caps_cb, &recon_state);
if (err < 0)
goto fail;

8
include/linux/ceph/ceph_features.h
View File

@ -213,12 +213,6 @@ DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facin
CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING | \
CEPH_FEATURE_CEPHX_V2)
#define CEPH_FEATURES_REQUIRED_DEFAULT \
(CEPH_FEATURE_NOSRCADDR | \
CEPH_FEATURE_SUBSCRIBE2 | \
CEPH_FEATURE_RECONNECT_SEQ | \
CEPH_FEATURE_PGID64 | \
CEPH_FEATURE_PGPOOL3 | \
CEPH_FEATURE_OSDENC)
#define CEPH_FEATURES_REQUIRED_DEFAULT 0
#endif