diff options
| -rw-r--r-- | fs/btrfs/ioctl.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index df40b7c5f06..efc4e4a85a6 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1062,7 +1062,9 @@ int btrfs_defrag_file(struct inode *inode, struct file *file, if (i < inode->i_mapping->writeback_index) inode->i_mapping->writeback_index = i; - while (i <= last_index && defrag_count < max_to_defrag) { + while (i <= last_index && defrag_count < max_to_defrag && + (i < (i_size_read(inode) + PAGE_CACHE_SIZE - 1) >> + PAGE_CACHE_SHIFT)) { /* * make sure we stop running if someone unmounts * the FS |