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Commit 49bcb932 authored by Henry C Chang's avatar Henry C Chang Committed by Sage Weil
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ceph: add request to the tail of unsafe write list 



In sync_write_wait(), we assume that the newest request is at the
tail of unsafe write list. We should maintain the semantics here.

Signed-off-by: default avatarHenry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent 78a25565

fs/ceph/file.c

+2 −1
Original line number Diff line number Diff line
@@ -564,7 +564,8 @@ static ssize_t ceph_sync_write(struct file *file, const char __user *data, 
			 * start_request so that a tid has been assigned.

			 */

			spin_lock(&ci->i_unsafe_lock);

			list_add(&req->r_unsafe_item, &ci->i_unsafe_writes);

			list_add_tail(&req->r_unsafe_item,

				      &ci->i_unsafe_writes);

			spin_unlock(&ci->i_unsafe_lock);

			ceph_get_cap_refs(ci, CEPH_CAP_FILE_WR);

		}