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;
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);
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;
}