aboutsummaryrefslogtreecommitdiff
path: root/mm/filemap.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2016-11-15 10:54:36 -0500
committerDavid S. Miller <davem@davemloft.net>2016-11-15 10:54:36 -0500
commitbb598c1b8c9bf56981927dcb8c0dc34b8ff95342 (patch)
tree69fe6d3bcdbf0acb76e42b144d8af5a0234ccdcb /mm/filemap.c
parenteb2ca35f1814dad3ca547261eedfbbd0d65a0efc (diff)
parente76d21c40bd6c67fd4e2c1540d77e113df962b4d (diff)
downloadlinux-bb598c1b8c9bf56981927dcb8c0dc34b8ff95342.tar.gz
linux-bb598c1b8c9bf56981927dcb8c0dc34b8ff95342.tar.bz2
linux-bb598c1b8c9bf56981927dcb8c0dc34b8ff95342.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several cases of bug fixes in 'net' overlapping other changes in 'net-next-. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'mm/filemap.c')
-rw-r--r--mm/filemap.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index c7fe2f16503f..50b52fe51937 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1732,6 +1732,9 @@ find_page:
if (inode->i_blkbits == PAGE_SHIFT ||
!mapping->a_ops->is_partially_uptodate)
goto page_not_up_to_date;
+ /* pipes can't handle partially uptodate pages */
+ if (unlikely(iter->type & ITER_PIPE))
+ goto page_not_up_to_date;
if (!trylock_page(page))
goto page_not_up_to_date;
/* Did it get truncated before we got the lock? */