summaryrefslogtreecommitdiff
path: root/fs/ext4/file.c
diff options
context:
space:
mode:
authorBoris Brezillon <boris.brezillon@free-electrons.com>2017-08-28 18:04:15 +0200
committerBoris Brezillon <boris.brezillon@free-electrons.com>2017-08-28 18:04:15 +0200
commit5ffa70b2a38befadb920b85fe87f5da2b4cff623 (patch)
tree411b1d357731db5e2611f0ca67082a8c909b7d9d /fs/ext4/file.c
parent75864b301c91bf41ec2fb49ce4efb62fcb48b954 (diff)
parentcc4a41fe5541a73019a864883297bd5043aa6d98 (diff)
Merge tag 'v4.13-rc7' into mtd/next
Merge v4.13-rc7 back to resolve merge conflicts in drivers/mtd/nand/nandsim.c and include/asm-generic/vmlinux.lds.h.
Diffstat (limited to 'fs/ext4/file.c')
-rw-r--r--fs/ext4/file.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 58294c9a7e1d..0d7cf0cc9b87 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -537,6 +537,8 @@ static int ext4_find_unwritten_pgoff(struct inode *inode,
lastoff = page_offset(page);
bh = head = page_buffers(page);
do {
+ if (lastoff + bh->b_size <= startoff)
+ goto next;
if (buffer_uptodate(bh) ||
buffer_unwritten(bh)) {
if (whence == SEEK_DATA)
@@ -551,6 +553,7 @@ static int ext4_find_unwritten_pgoff(struct inode *inode,
unlock_page(page);
goto out;
}
+next:
lastoff += bh->b_size;
bh = bh->b_this_page;
} while (bh != head);