diff options
Diffstat (limited to 'fs/ext4/extents.c')
| -rw-r--r-- | fs/ext4/extents.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 1c8123866d81..a07a98a4b97a 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4482,7 +4482,7 @@ static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset, int depth = 0; struct ext4_map_blocks map; unsigned int credits; - loff_t epos; + loff_t epos, old_size = i_size_read(inode); BUG_ON(!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)); map.m_lblk = offset; @@ -4541,6 +4541,11 @@ retry: if (ext4_update_inode_size(inode, epos) & 0x1) inode_set_mtime_to_ts(inode, inode_get_ctime(inode)); + if (epos > old_size) { + pagecache_isize_extended(inode, old_size, epos); + ext4_zero_partial_blocks(handle, inode, + old_size, epos - old_size); + } } ret2 = ext4_mark_inode_dirty(handle, inode); ext4_update_inode_fsync_trans(handle, inode, 1); |