Commit 902a34ad authored Mar 30, 2016 by Li Dongyang Committed by Greg Kroah-Hartman Mar 30, 2016

staging/lustre/llite: make sure we do cl_page_clip on the last page



When we are doing a partial IO on both first and last page,
the logic currently only call cl_page_clip on the first page, which
will end up with a incorrect i_size.

Signed-off-by: Li Dongyang <dongyang.li@anu.edu.au>
Reviewed-on: http://review.whamcloud.com/11630
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5552


Reviewed-by: Ian Costello <costello.ian@gmail.com>
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Li Xi <pkuelelixi@gmail.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent d37dd10b

drivers/staging/lustre/lustre/llite/vvp_io.c

+7 −5

Original line number	Diff line number	Diff line
		@@ -599,13 +599,15 @@ static int vvp_io_commit_sync(const struct lu_env env, struct cl_io io,
		page = cl_page_list_first(plist);
		if (plist->pl_nr == 1) {
		cl_page_clip(env, page, from, to);
		} else if (from > 0) {
		cl_page_clip(env, page, from, PAGE_SIZE);
		} else {
		if (from > 0)
		cl_page_clip(env, page, from, PAGE_SIZE);
		if (to != PAGE_SIZE) {
		page = cl_page_list_last(plist);
		cl_page_clip(env, page, 0, to);
		}
		}
		}

		cl_2queue_init(queue);
		cl_page_list_splice(plist, &queue->c2_qin);