Hi Jens,
Today's linux-next merge of the block tree got a conflict in
mm/page-writeback.c between commit
d7831a0bdf06b9f722b947bb0c205ff7d77cebd8 ("mm: prevent balance_dirty_pages
() from doing too much work") from Linus' tree and commit
83f866f06c6d0266330e1631f4644ba6a63e6925 ("writeback: switch to per-bdi
threads for flushing data") from the block tree.
Context changes. I fixed it up (see below) but am not sure if this is
the correct fix.
--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
diff --cc mm/page-writeback.c
index 7687879,7b87d10..0000000
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@@ -541,12 -527,9 +527,12 @@@ static void balance_dirty_pages(struct
* filesystems (i.e. NFS) in which data may have been
* written to the server's write cache, but has not yet
* been flushed to permanent storage.
+ * Only move pages to writeback if this bdi is over its
+ * threshold otherwise wait until the disk writes catch
+ * up.
*/
- if (bdi_nr_reclaimable) {
+ if (bdi_nr_reclaimable > bdi_thresh) {
- writeback_inodes(&wbc);
+ generic_sync_bdi_inodes(NULL, &wbc);
pages_written += write_chunk - wbc.nr_to_write;
get_dirty_limits(&background_thresh, &dirty_thresh,
&bdi_thresh, bdi);
--
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