Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-25 21:51:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

ext4: hard fail dax mount on unsupported devices

Browse Source 
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>
This commit is contained in:
Eric Sandeen 2018-12-04 00:46:39 -05:00 committed by Theodore Ts'o
parent 32ea275008
commit 361d24d406
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
fs/ext4/super.c
View File

@ -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;
}
}