diff options
Diffstat (limited to 'fs/ext4/ioctl.c')
| -rw-r--r-- | fs/ext4/ioctl.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index b63d193126d..2220feb2dcc 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -92,6 +92,15 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) flags &= ~EXT4_EXTENTS_FL; } + if (flags & EXT4_EOFBLOCKS_FL) { + /* we don't support adding EOFBLOCKS flag */ + if (!(oldflags & EXT4_EOFBLOCKS_FL)) { + err = -EOPNOTSUPP; + goto flags_out; + } + } else if (oldflags & EXT4_EOFBLOCKS_FL) + ext4_truncate(inode); + handle = ext4_journal_start(inode, 1); if (IS_ERR(handle)) { err = PTR_ERR(handle); |