Re: [PATCH v4 02/18] ext4: auto disable dax instead of failing mount

2018-01-03 Thread Jan Kara
On Sat 23-12-17 16:56:11, Dan Williams wrote: > Bring the ext4 filesystem in line with xfs that only warns and continues > when the "-o dax" option is specified to mount and the backing device > does not support dax. This is in preparation for removing dax support > from devices that do not enable

[PATCH v4 02/18] ext4: auto disable dax instead of failing mount

2017-12-23 Thread Dan Williams
Bring the ext4 filesystem in line with xfs that only warns and continues when the "-o dax" option is specified to mount and the backing device does not support dax. This is in preparation for removing dax support from devices that do not enable get_user_pages() operations on dax mappings. In other