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| author | Alex Elder <elder@inktank.com> | 2013-02-14 22:16:43 +0400 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2013-05-02 08:16:25 +0400 |
| commit | 2ac2b7a6d4976bd6b5dc0751aa77d12d48d3ac4c (patch) | |
| tree | af95ff579ab1719871e8678ef530db46514c0eb7 /include/linux/ceph/osd_client.h | |
| parent | 2794a82a11cfeae0890741b18b0049ddb55ce646 (diff) | |
| download | linux-2ac2b7a6d4976bd6b5dc0751aa77d12d48d3ac4c.tar.xz | |
libceph: distinguish page and bio requests
An osd request uses either pages or a bio list for its data. Use a
union to record information about the two, and add a data type
tag to select between them.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'include/linux/ceph/osd_client.h')
| -rw-r--r-- | include/linux/ceph/osd_client.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 600b8278d11e..56604b33dc3c 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -50,8 +50,17 @@ struct ceph_osd { #define CEPH_OSD_MAX_OP 10 +enum ceph_osd_data_type { + CEPH_OSD_DATA_TYPE_NONE, + CEPH_OSD_DATA_TYPE_PAGES, +#ifdef CONFIG_BLOCK + CEPH_OSD_DATA_TYPE_BIO, +#endif /* CONFIG_BLOCK */ +}; + struct ceph_osd_data { - struct { + enum ceph_osd_data_type type; + union { struct { struct page **pages; u32 num_pages; |