1 ext4: enforce we are operating on a regular file in ext4_zero_range()
3 From: jon ernst <jonernst07@gmail.com>
5 Signed-off-by: Jon Ernst <jonernst07@gmail.com>
6 Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
8 fs/ext4/extents.c | 3 +++
9 1 file changed, 3 insertions(+)
11 diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
12 index d0860f2..2f49b12a 100644
13 --- a/fs/ext4/extents.c
14 +++ b/fs/ext4/extents.c
15 @@ -4741,6 +4741,9 @@ static long ext4_zero_range(struct file *file, loff_t offset,
17 trace_ext4_zero_range(inode, offset, len, mode);
19 + if (!S_ISREG(inode->i_mode))
23 * Write out all dirty pages to avoid race conditions