diff options
| author | Yehuda Sadeh <yehuda@hq.newdream.net> | 2010-05-19 01:38:08 +0200 |
|---|---|---|
| committer | Sage Weil <sage@newdream.net> | 2010-10-21 00:37:25 +0200 |
| commit | ae1533b62b3369e6ae32338f4a77d64d0e88f676 (patch) | |
| tree | 9a54b1c1c8a52a4ae46bc0c5421d04e93ac6495f | |
| parent | ceph: messenger and osdc changes for rbd (diff) | |
| download | linux-ae1533b62b3369e6ae32338f4a77d64d0e88f676.tar.xz linux-ae1533b62b3369e6ae32338f4a77d64d0e88f676.zip | |
ceph-rbd: osdc support for osd call and rollback operations
This will be used for rbd snapshots administration.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
| -rw-r--r-- | fs/ceph/decode.h | 5 | ||||
| -rw-r--r-- | fs/ceph/osd_client.c | 18 | ||||
| -rw-r--r-- | fs/ceph/osd_client.h | 6 |
3 files changed, 29 insertions, 0 deletions
diff --git a/fs/ceph/decode.h b/fs/ceph/decode.h index 3d25415afe63..c5b6939fb32a 100644 --- a/fs/ceph/decode.h +++ b/fs/ceph/decode.h @@ -191,6 +191,11 @@ static inline void ceph_encode_string(void **p, void *end, ceph_encode_need(p, end, n, bad); \ ceph_encode_copy(p, pv, n); \ } while (0) +#define ceph_encode_string_safe(p, end, s, n, bad) \ + do { \ + ceph_encode_need(p, end, n, bad); \ + ceph_encode_string(p, end, s, n); \ + } while (0) #endif diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c index c5d818e73add..0edb43f1ef26 100644 --- a/fs/ceph/osd_client.c +++ b/fs/ceph/osd_client.c @@ -161,6 +161,7 @@ static int op_needs_trail(int op) case CEPH_OSD_OP_GETXATTR: case CEPH_OSD_OP_SETXATTR: case CEPH_OSD_OP_CMPXATTR: + case CEPH_OSD_OP_CALL: return 1; default: return 0; @@ -301,6 +302,23 @@ static void osd_req_encode_op(struct ceph_osd_request *req, ceph_pagelist_append(req->r_trail, src->xattr.val, src->xattr.value_len); break; + case CEPH_OSD_OP_CALL: + BUG_ON(!req->r_trail); + + dst->cls.class_len = src->cls.class_len; + dst->cls.method_len = src->cls.method_len; + dst->cls.indata_len = cpu_to_le32(src->cls.indata_len); + + ceph_pagelist_append(req->r_trail, src->cls.class_name, + src->cls.class_len); + ceph_pagelist_append(req->r_trail, src->cls.method_name, + src->cls.method_len); + ceph_pagelist_append(req->r_trail, src->cls.indata, + src->cls.indata_len); + break; + case CEPH_OSD_OP_ROLLBACK: + dst->snap.snapid = cpu_to_le64(src->snap.snapid); + break; case CEPH_OSD_OP_STARTSYNC: break; default: diff --git a/fs/ceph/osd_client.h b/fs/ceph/osd_client.h index d583d1bf6cd9..65c9c560f1ac 100644 --- a/fs/ceph/osd_client.h +++ b/fs/ceph/osd_client.h @@ -134,14 +134,20 @@ struct ceph_osd_req_op { __u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */ } xattr; struct { + const char *class_name; __u8 class_len; + const char *method_name; __u8 method_len; __u8 argc; + const char *indata; u32 indata_len; } cls; struct { u64 cookie, count; } pgls; + struct { + u64 snapid; + } snap; }; u32 payload_len; }; |