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| author | Alex Elder <elder@inktank.com> | 2013-04-03 01:28:57 -0500 |
|---|---|---|
| committer | Sage Weil <sage@inktank.com> | 2013-05-01 21:18:08 -0700 |
| commit | c54d47bfadce7059af0774d80b2b3faaea4afd28 (patch) | |
| tree | 3f71a5c736f9b5021ccfc07849dcd95597e83b07 /net/ceph | |
| parent | 43bfe5de9fa78e07248b70992ce50321efec622c (diff) | |
| download | linux-stable-c54d47bfadce7059af0774d80b2b3faaea4afd28.tar.gz linux-stable-c54d47bfadce7059af0774d80b2b3faaea4afd28.tar.bz2 linux-stable-c54d47bfadce7059af0774d80b2b3faaea4afd28.zip | |
libceph: define a few more helpers
Define ceph_osd_data_init() and ceph_osd_data_release() to clean up
a little code.
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/osd_client.c | 44 |
1 files changed, 26 insertions, 18 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index f8f8561b602e..b399e8a18f2b 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -79,6 +79,12 @@ static int calc_layout(struct ceph_file_layout *layout, u64 off, u64 *plen, return 0; } +static void ceph_osd_data_init(struct ceph_osd_data *osd_data) +{ + memset(osd_data, 0, sizeof (*osd_data)); + osd_data->type = CEPH_OSD_DATA_TYPE_NONE; +} + 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) @@ -111,16 +117,28 @@ void ceph_osd_data_bio_init(struct ceph_osd_data *osd_data, EXPORT_SYMBOL(ceph_osd_data_bio_init); #endif /* CONFIG_BLOCK */ +static void ceph_osd_data_release(struct ceph_osd_data *osd_data) +{ + if (osd_data->type != CEPH_OSD_DATA_TYPE_PAGES) + return; + + if (osd_data->own_pages) { + int num_pages; + + num_pages = calc_pages_for((u64)osd_data->alignment, + (u64)osd_data->length); + ceph_release_page_vector(osd_data->pages, num_pages); + } +} + /* * requests */ void ceph_osdc_release_request(struct kref *kref) { - int num_pages; - struct ceph_osd_request *req = container_of(kref, - struct ceph_osd_request, - r_kref); + struct ceph_osd_request *req; + req = container_of(kref, struct ceph_osd_request, r_kref); if (req->r_request) ceph_msg_put(req->r_request); if (req->r_reply) { @@ -128,18 +146,8 @@ void ceph_osdc_release_request(struct kref *kref) ceph_msg_put(req->r_reply); } - if (req->r_data_in.type == CEPH_OSD_DATA_TYPE_PAGES && - req->r_data_in.own_pages) { - num_pages = calc_pages_for((u64)req->r_data_in.alignment, - (u64)req->r_data_in.length); - ceph_release_page_vector(req->r_data_in.pages, num_pages); - } - if (req->r_data_out.type == CEPH_OSD_DATA_TYPE_PAGES && - req->r_data_out.own_pages) { - num_pages = calc_pages_for((u64)req->r_data_out.alignment, - (u64)req->r_data_out.length); - ceph_release_page_vector(req->r_data_out.pages, num_pages); - } + ceph_osd_data_release(&req->r_data_in); + ceph_osd_data_release(&req->r_data_out); ceph_put_snap_context(req->r_snapc); if (req->r_mempool) @@ -203,8 +211,8 @@ struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, } req->r_reply = msg; - req->r_data_in.type = CEPH_OSD_DATA_TYPE_NONE; - req->r_data_out.type = CEPH_OSD_DATA_TYPE_NONE; + ceph_osd_data_init(&req->r_data_in); + ceph_osd_data_init(&req->r_data_out); /* create request message; allow space for oid */ if (use_mempool) |