summaryrefslogtreecommitdiff
path: root/fs/ext4/file.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2017-08-26 09:19:13 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-26 09:19:13 +0200
commit413d63d71b222108d19703f3fd5cf9108652a730 (patch)
tree4680de6aebb6430dc5f3d9327f86d65149e6b5ae /fs/ext4/file.c
parentd6c8103b0265d8db30e20e948a4f06382bbdaea7 (diff)
parent90a6cd503982bfd33ce8c70eb49bd2dd33bc6325 (diff)
Merge branch 'linus' into x86/mm to pick up fixes and to fix conflicts
Conflicts: arch/x86/kernel/head64.c arch/x86/mm/mmap.c Signed-off-by: Ingo Molnar <mingo@kernel.org>
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);