diff options
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index d5efe076d3d3..01299b55a567 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4523,7 +4523,8 @@ static long ext4_zero_range(struct file *file, loff_t offset, * Round up offset. This is not fallocate, we need to zero out * blocks, so convert interior block aligned part of the range to * unwritten and possibly manually zero out unaligned parts of the - * range. + * range. Here, start and partial_begin are inclusive, end and + * partial_end are exclusive. */ start = round_up(offset, 1 << blkbits); end = round_down((offset + len), 1 << blkbits); @@ -4609,7 +4610,8 @@ static long ext4_zero_range(struct file *file, loff_t offset, * disk in case of crash before zeroing trans is committed. */ if (ext4_should_journal_data(inode)) { - ret = filemap_write_and_wait_range(mapping, start, end); + ret = filemap_write_and_wait_range(mapping, start, + end - 1); if (ret) { filemap_invalidate_unlock(mapping); goto out_mutex; |