diff options
| author |   Eric Sandeen <sandeen@sandeen.net> | 2018-12-04 00:46:39 -0500 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2018-12-04 00:46:39 -0500 |
| commit | 361d24d40657d27bf9ba99a961e04171181b9719 (patch) | |
| tree | db5eeb11c8f607b17a21798750414b76ebd3db5f /fs/ext4/super.c | |
| parent | jbd2: update locking documentation for transaction_t (diff) | |
| download | linux-dev-361d24d40657d27bf9ba99a961e04171181b9719.tar.xz linux-dev-361d24d40657d27bf9ba99a961e04171181b9719.zip | |
ext4: hard fail dax mount on unsupported devices
As dax inches closer to production use, an administrator should not
be surprised by silently disabling the feature they asked for.
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to '')
| -rw-r--r-- | fs/ext4/super.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index a39726cc78bc..e862b82066ab 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3864,12 +3864,12 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent) if (ext4_has_feature_inline_data(sb)) { ext4_msg(sb, KERN_ERR, "Cannot use DAX on a filesystem" " that may contain inline data"); - sbi->s_mount_opt &= ~EXT4_MOUNT_DAX; + goto failed_mount; } if (!bdev_dax_supported(sb->s_bdev, blocksize)) { ext4_msg(sb, KERN_ERR, - "DAX unsupported by block device. Turning off DAX."); - sbi->s_mount_opt &= ~EXT4_MOUNT_DAX; + "DAX unsupported by block device."); + goto failed_mount; } } |