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authorYan, Zheng <zyan@redhat.com>2017-05-23 17:48:28 +0800
committerIlya Dryomov <idryomov@gmail.com>2017-07-07 17:25:13 +0200
commit439868812aac01ec5d1b133a51e768280f3fc8d5 (patch)
treefb6403c5cfb8d3106ccd9b632372f6c0c3d6f778 /fs/ceph/addr.c
parentfa71fefb308532eb5b2e4b38d914d19fc836f73e (diff)
ceph: cleanup writepage_nounlock()
Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'fs/ceph/addr.c')
-rw-r--r--fs/ceph/addr.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 8fde3b59e3a5..50836280a6f8 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -530,7 +530,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
long writeback_stat;
u64 truncate_size;
u32 truncate_seq;
- int err = 0, len = PAGE_SIZE;
+ int err, len = PAGE_SIZE;
dout("writepage %p idx %lu\n", page, page->index);
@@ -543,7 +543,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
snapc = page_snap_context(page);
if (snapc == NULL) {
dout("writepage %p page %p not dirty?\n", inode, page);
- goto out;
+ return 0;
}
oldest = get_oldest_context(inode, &snap_size,
&truncate_size, &truncate_seq);
@@ -554,7 +554,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
WARN_ON(!(current->flags & PF_MEMALLOC));
ceph_put_snap_context(oldest);
redirty_page_for_writepage(wbc, page);
- goto out;
+ return 0;
}
ceph_put_snap_context(oldest);
@@ -564,8 +564,9 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
/* is this a partial page at end of file? */
if (page_off >= snap_size) {
dout("%p page eof %llu\n", page, snap_size);
- goto out;
+ return 0;
}
+
if (snap_size < page_off + len)
len = snap_size - page_off;
@@ -592,7 +593,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
dout("writepage interrupted page %p\n", page);
redirty_page_for_writepage(wbc, page);
end_page_writeback(page);
- goto out;
+ return err;
}
dout("writepage setting page/mapping error %d %p\n",
err, page);
@@ -608,7 +609,6 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
end_page_writeback(page);
ceph_put_wrbuffer_cap_refs(ci, 1, snapc);
ceph_put_snap_context(snapc); /* page's reference */
-out:
return err;
}