| From a990dead298b7aebcf47069a8a44342b5ae57555 Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Mon, 12 Jul 2021 17:04:47 +0100 |
| Subject: afs: Fix setting of writeback_index |
| |
| From: David Howells <dhowells@redhat.com> |
| |
| [ Upstream commit 5a972474cf685bf99ca430979657095bda3a15c8 ] |
| |
| Fix afs_writepages() to always set mapping->writeback_index to a page index |
| and not a byte position[1]. |
| |
| Fixes: 31143d5d515e ("AFS: implement basic file write support") |
| Reported-by: Marc Dionne <marc.dionne@auristor.com> |
| Signed-off-by: David Howells <dhowells@redhat.com> |
| Reviewed-by: Marc Dionne <marc.dionne@auristor.com> |
| cc: linux-afs@lists.infradead.org |
| Link: https://lore.kernel.org/r/CAB9dFdvHsLsw7CMnB+4cgciWDSqVjuij4mH3TaXnHQB8sz5rHw@mail.gmail.com/ [1] |
| Link: https://lore.kernel.org/r/162610728339.3408253.4604750166391496546.stgit@warthog.procyon.org.uk/ # v2 (no v1) |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| fs/afs/write.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/fs/afs/write.c b/fs/afs/write.c |
| index 1ed62e0ccfe5..c0534697268e 100644 |
| --- a/fs/afs/write.c |
| +++ b/fs/afs/write.c |
| @@ -784,7 +784,7 @@ int afs_writepages(struct address_space *mapping, |
| } else if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) { |
| ret = afs_writepages_region(mapping, wbc, 0, LLONG_MAX, &next); |
| if (wbc->nr_to_write > 0 && ret == 0) |
| - mapping->writeback_index = next; |
| + mapping->writeback_index = next / PAGE_SIZE; |
| } else { |
| ret = afs_writepages_region(mapping, wbc, |
| wbc->range_start, wbc->range_end, &next); |
| -- |
| 2.30.2 |
| |
