[PATCH v3 14/15] netfs: Fix folio state after ENOMEM whilst under writeback iteration
David Howells <[email protected]>
| Newsgroups | org.kernel.vger.ceph-devel,dev.linux.lists.netfs,org.kernel.vger.linux-cifs,org.kernel.vger.linux-fsdevel,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Fix the state of the current folio when ENOMEM occurs during writeback
iteration. The folio needs to be redirtied and unlocked before the
terminal writeback_iter() is invoked.
Fixes: 06fa229ceb36 ("netfs: Abstract out a rolling folio buffer implementation")
Link: https://sashiko.dev/#/patchset/20260619140646.2633762-1-dhowells%40redhat.com
Signed-off-by: David Howells <[email protected]>
cc: Paulo Alcantara <[email protected]>
cc: Matthew Wilcox <[email protected]>
cc: [email protected]
cc: [email protected]
---
fs/netfs/write_issue.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/fs/netfs/write_issue.c b/fs/netfs/write_issue.c
index 3682896c3fdf..f2761c99795a 100644
--- a/fs/netfs/write_issue.c
+++ b/fs/netfs/write_issue.c
@@ -582,6 +582,10 @@ int netfs_writepages(struct address_space *mapping,
}
error = netfs_write_folio(wreq, wbc, folio);
+ if (error == -ENOMEM) {
+ folio_redirty_for_writepage(wbc, folio);
+ folio_unlock(folio);
+ }
} while ((folio = writeback_iter(mapping, wbc, folio, &error)));
netfs_end_issue_write(wreq);