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Commit 94fe8420 authored by Alex Elder's avatar Alex Elder Committed by Sage Weil
Browse files

ceph: define ceph_writepages_osd_request() 



Mostly for readability, define ceph_writepages_osd_request() and
use it to allocate the osd request for ceph_writepages_start().

Signed-off-by: default avatarAlex Elder <elder@inktank.com>
Reviewed-by: default avatarJosh Durgin <josh.durgin@inktank.com>
parent acead002

fs/ceph/addr.c

+24 −10
Original line number Diff line number Diff line
@@ -654,6 +654,26 @@ static void alloc_page_vec(struct ceph_fs_client *fsc, 
	}

}



static struct ceph_osd_request *

ceph_writepages_osd_request(struct inode *inode, u64 offset, u64 *len,

				struct ceph_snap_context *snapc,

				int num_ops, struct ceph_osd_req_op *ops)

{

	struct ceph_fs_client *fsc;

	struct ceph_inode_info *ci;

	struct ceph_vino vino;



	fsc = ceph_inode_to_client(inode);

	ci = ceph_inode(inode);

	vino = ceph_vino(inode);

	/* BUG_ON(vino.snap != CEPH_NOSNAP); */



	return ceph_osdc_new_request(&fsc->client->osdc, &ci->i_layout,

			vino, offset, len, num_ops, ops, CEPH_OSD_OP_WRITE,

			CEPH_OSD_FLAG_WRITE|CEPH_OSD_FLAG_ONDISK,

			snapc, ci->i_truncate_seq, ci->i_truncate_size, true);

}



/*

 * initiate async writeback

 */
@@ -835,16 +855,9 @@ static int ceph_writepages_start(struct address_space *mapping, 
				/* prepare async write request */

				offset = (u64) page_offset(page);

				len = wsize;

				vino = ceph_vino(inode);

				/* BUG_ON(vino.snap != CEPH_NOSNAP); */

				req = ceph_osdc_new_request(&fsc->client->osdc,

					    &ci->i_layout, vino, offset, &len,

					    num_ops, ops,

					    CEPH_OSD_OP_WRITE,

					    CEPH_OSD_FLAG_WRITE |

						    CEPH_OSD_FLAG_ONDISK,

					    snapc, ci->i_truncate_seq,

					    ci->i_truncate_size, true);

				req = ceph_writepages_osd_request(inode,

							offset, &len, snapc,

							num_ops, ops);



				if (IS_ERR(req)) {

					rc = PTR_ERR(req);
@@ -852,6 +865,7 @@ static int ceph_writepages_start(struct address_space *mapping, 
					break;

				}



				vino = ceph_vino(inode);

				ceph_osdc_build_request(req, offset,

					num_ops, ops, snapc, vino.snap,

					&inode->i_mtime);