diff options
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index c660527af838..c5998477fe60 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1727,6 +1727,7 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, struct btrfs_root *root = BTRFS_I(inode)->root; loff_t *ppos = &iocb->ki_pos; u64 start_pos; + u64 end_pos; ssize_t num_written = 0; ssize_t err = 0; size_t count, ocount; @@ -1781,7 +1782,9 @@ static ssize_t btrfs_file_aio_write(struct kiocb *iocb, start_pos = round_down(pos, root->sectorsize); if (start_pos > i_size_read(inode)) { - err = btrfs_cont_expand(inode, i_size_read(inode), start_pos); + /* Expand hole size to cover write data, preventing empty gap */ + end_pos = round_up(pos + iov->iov_len, root->sectorsize); + err = btrfs_cont_expand(inode, i_size_read(inode), end_pos); if (err) { mutex_unlock(&inode->i_mutex); goto out; |