summaryrefslogtreecommitdiff
path: root/fs/iomap/ioend.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/iomap/ioend.c')
-rw-r--r--fs/iomap/ioend.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/iomap/ioend.c b/fs/iomap/ioend.c
index f7c3e0c70fd7..0565328764c1 100644
--- a/fs/iomap/ioend.c
+++ b/fs/iomap/ioend.c
@@ -298,8 +298,12 @@ new_ioend:
* appending writes.
*/
ioend->io_size += map_len;
- if (ioend->io_offset + ioend->io_size > end_pos)
- ioend->io_size = end_pos - ioend->io_offset;
+ if (ioend->io_offset + ioend->io_size > end_pos) {
+ if (ioend->io_offset >= end_pos)
+ ioend->io_size = 0;
+ else
+ ioend->io_size = end_pos - ioend->io_offset;
+ }
wbc_account_cgroup_owner(wpc->wbc, folio, map_len);
return map_len;