Signed-off-by: "Yan, Zheng" <zyan@xxxxxxxxxx>
---
fs/ceph/addr.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 78a1208b878e..b4336b42ce3b 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -578,7 +578,6 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
struct ceph_fs_client *fsc;
struct ceph_snap_context *snapc, *oldest;
loff_t page_off = page_offset(page);
- long writeback_stat;
int err, len = PAGE_SIZE;
struct ceph_writeback_ctl ceph_wbc;
@@ -619,8 +618,7 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
dout("writepage %p page %p index %lu on %llu~%u snapc %p seq %lld\n",
inode, page, page->index, page_off, len, snapc, snapc->seq);
- writeback_stat = atomic_long_inc_return(&fsc->writeback_count);
- if (writeback_stat >
+ if (atomic_long_inc_return(&fsc->writeback_count) >
CONGESTION_ON_THRESH(fsc->mount_options->congestion_kb))
set_bdi_congested(inode_to_bdi(inode), BLK_RW_ASYNC);
@@ -655,6 +653,11 @@ 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 */
+
+ if (atomic_long_dec_return(&fsc->writeback_count) <
+ CONGESTION_OFF_THRESH(fsc->mount_options->congestion_kb))
+ clear_bdi_congested(inode_to_bdi(inode), BLK_RW_ASYNC);
+
return err;
}
--
2.13.6
--
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