diff options
author | Alex Elder <elder@inktank.com> | 2013-04-03 06:28:57 (GMT) |
---|---|---|
committer | Sage Weil <sage@inktank.com> | 2013-05-02 04:18:06 (GMT) |
commit | 43bfe5de9fa78e07248b70992ce50321efec622c (patch) | |
tree | 8aa7ce9ad14551bdfcb1bf166a90b65a3dab7c02 /net/ceph/osd_client.c | |
parent | 9fc6e0647180f72392f03a29863b6602e22aa024 (diff) | |
download | linux-fsl-qoriq-43bfe5de9fa78e07248b70992ce50321efec622c.tar.xz |
libceph: define osd data initialization helpers
Define and use functions that encapsulate the initializion of a
ceph_osd_data structure.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'net/ceph/osd_client.c')
-rw-r--r-- | net/ceph/osd_client.c | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 1379b33..f8f8561 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -79,6 +79,38 @@ static int calc_layout(struct ceph_file_layout *layout, u64 off, u64 *plen, return 0; } +void ceph_osd_data_pages_init(struct ceph_osd_data *osd_data, + struct page **pages, u64 length, u32 alignment, + bool pages_from_pool, bool own_pages) +{ + osd_data->type = CEPH_OSD_DATA_TYPE_PAGES; + osd_data->pages = pages; + osd_data->length = length; + osd_data->alignment = alignment; + osd_data->pages_from_pool = pages_from_pool; + osd_data->own_pages = own_pages; +} +EXPORT_SYMBOL(ceph_osd_data_pages_init); + +void ceph_osd_data_pagelist_init(struct ceph_osd_data *osd_data, + struct ceph_pagelist *pagelist) +{ + osd_data->type = CEPH_OSD_DATA_TYPE_PAGELIST; + osd_data->pagelist = pagelist; +} +EXPORT_SYMBOL(ceph_osd_data_pagelist_init); + +#ifdef CONFIG_BLOCK +void ceph_osd_data_bio_init(struct ceph_osd_data *osd_data, + struct bio *bio, size_t bio_length) +{ + osd_data->type = CEPH_OSD_DATA_TYPE_BIO; + osd_data->bio = bio; + osd_data->bio_length = bio_length; +} +EXPORT_SYMBOL(ceph_osd_data_bio_init); +#endif /* CONFIG_BLOCK */ + /* * requests */ @@ -400,8 +432,7 @@ static u64 osd_req_encode_op(struct ceph_osd_request *req, ceph_pagelist_append(pagelist, src->cls.indata, src->cls.indata_len); - req->r_data_out.type = CEPH_OSD_DATA_TYPE_PAGELIST; - req->r_data_out.pagelist = pagelist; + ceph_osd_data_pagelist_init(&req->r_data_out, pagelist); out_data_len = pagelist->length; break; case CEPH_OSD_OP_STARTSYNC: @@ -2056,7 +2087,6 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc, struct page **pages, int num_pages, int page_align) { struct ceph_osd_request *req; - struct ceph_osd_data *osd_data; struct ceph_osd_req_op op; int rc = 0; @@ -2071,14 +2101,11 @@ int ceph_osdc_readpages(struct ceph_osd_client *osdc, /* it may be a short read due to an object boundary */ - osd_data = &req->r_data_in; - osd_data->type = CEPH_OSD_DATA_TYPE_PAGES; - osd_data->pages = pages; - osd_data->length = *plen; - osd_data->alignment = page_align; + ceph_osd_data_pages_init(&req->r_data_in, pages, *plen, page_align, + false, false); dout("readpages final extent is %llu~%llu (%llu bytes align %d)\n", - off, *plen, osd_data->length, page_align); + off, *plen, *plen, page_align); ceph_osdc_build_request(req, off, 1, &op, NULL, vino.snap, NULL); @@ -2104,7 +2131,6 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, struct page **pages, int num_pages) { struct ceph_osd_request *req; - struct ceph_osd_data *osd_data; struct ceph_osd_req_op op; int rc = 0; int page_align = off & ~PAGE_MASK; @@ -2119,12 +2145,9 @@ int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino, return PTR_ERR(req); /* it may be a short write due to an object boundary */ - osd_data = &req->r_data_out; - osd_data->type = CEPH_OSD_DATA_TYPE_PAGES; - osd_data->pages = pages; - osd_data->length = len; - osd_data->alignment = page_align; - dout("writepages %llu~%llu (%llu bytes)\n", off, len, osd_data->length); + ceph_osd_data_pages_init(&req->r_data_out, pages, len, page_align, + false, false); + dout("writepages %llu~%llu (%llu bytes)\n", off, len, len); ceph_osdc_build_request(req, off, 1, &op, snapc, CEPH_NOSNAP, mtime); |