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

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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>
This commit is contained in:
Li Dongyang 2016-03-30 19:48:44 -04:00 committed by Greg Kroah-Hartman
parent d37dd10b71
commit 902a34ad72
1 changed files with 7 additions and 5 deletions
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6
drivers/staging/lustre/lustre/llite/vvp_io.c
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@ -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);