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| author |   Alex Elder <elder@inktank.com> | 2013-03-06 23:39:39 -0600 |
|---|---|---|
| committer |   Sage Weil <sage@inktank.com> | 2013-05-01 21:16:59 -0700 |
| commit | 6aaa4511deb4b0fd776d1153dc63a89cdc024fb8 (patch) | |
| tree | 455fb4334de3518e411daaa7e3ff1d9aef187cd8 /include/linux/ceph/messenger.h | |
| parent | libceph: use data cursor for message pagelist (diff) | |
| download | linux-dev-6aaa4511deb4b0fd776d1153dc63a89cdc024fb8.tar.xz linux-dev-6aaa4511deb4b0fd776d1153dc63a89cdc024fb8.zip | |
libceph: implement bio message data item cursor
Implement and use cursor routines for bio message data items for
outbound message data.
(See the previous commit for reasoning in support of the changes
in out_msg_pos_next().)
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'include/linux/ceph/messenger.h')
| -rw-r--r-- | include/linux/ceph/messenger.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index 716c3fdeb257..76b4645e2dff 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -98,6 +98,13 @@ static __inline__ bool ceph_msg_data_type_valid(enum ceph_msg_data_type type) struct ceph_msg_data_cursor { bool last_piece; /* now at last piece of data item */ union { +#ifdef CONFIG_BLOCK + struct { /* bio */ + struct bio *bio; /* bio from list */ + unsigned int vector_index; /* vector from bio */ + unsigned int vector_offset; /* bytes from vector */ + }; +#endif /* CONFIG_BLOCK */ struct { /* pagelist */ struct page *page; /* page from list */ size_t offset; /* bytes from list */ |