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libceph: define osd data initialization helpers

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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>
This commit is contained in:
Alex Elder
2013-04-03 01:28:57 -05:00
committed by Sage Weil
parent 9fc6e06471
commit 43bfe5de9f
5 changed files with 63 additions and 40 deletions
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13
fs/ceph/addr.c
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@@ -342,10 +342,8 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max)
}
pages[i] = page;
}
req->r_data_in.type = CEPH_OSD_DATA_TYPE_PAGES;
req->r_data_in.pages = pages;
req->r_data_in.length = len;
req->r_data_in.alignment = 0;
ceph_osd_data_pages_init(&req->r_data_in, pages, len, 0,
false, false);
req->r_callback = finish_read;
req->r_inode = inode;
@@ -917,11 +915,8 @@ get_more_pages:
dout("writepages got %d pages at %llu~%llu\n",
locked_pages, offset, len);
req->r_data_out.type = CEPH_OSD_DATA_TYPE_PAGES;
req->r_data_out.pages = pages;
req->r_data_out.length = len;
req->r_data_out.alignment = 0;
req->r_data_out.pages_from_pool = !!pool;
ceph_osd_data_pages_init(&req->r_data_out, pages, len, 0,
!!pool, false);
pages = NULL; /* request message now owns the pages array */
pool = NULL;