Re: [PATCH 01/18] btrfs: create a mount option for dax

2019-05-21 Thread Darrick J. Wong
[add Ted to the thread] On Mon, Apr 29, 2019 at 12:26:32PM -0500, Goldwyn Rodrigues wrote: > From: Goldwyn Rodrigues > > This sets S_DAX in inode->i_flags, which can be used with > IS_DAX(). > > The dax option is restricted to non multi-device mounts. > dax interacts with the device directly

[PATCH 01/18] btrfs: create a mount option for dax

2019-04-29 Thread Goldwyn Rodrigues
From: Goldwyn Rodrigues This sets S_DAX in inode->i_flags, which can be used with IS_DAX(). The dax option is restricted to non multi-device mounts. dax interacts with the device directly instead of using bio, so all bio-hooks which we use for multi-device cannot be performed here. While

Re: [PATCH 01/18] btrfs: create a mount option for dax

2019-04-16 Thread Dan Williams
On Tue, Apr 16, 2019 at 9:42 AM Goldwyn Rodrigues wrote: > > From: Goldwyn Rodrigues > > This sets S_DAX in inode->i_flags, which can be used with > IS_DAX(). > > The dax option is restricted to non multi-device mounts. > dax interacts with the device directly instead of using bio, so > all

[PATCH 01/18] btrfs: create a mount option for dax

2019-04-16 Thread Goldwyn Rodrigues
From: Goldwyn Rodrigues This sets S_DAX in inode->i_flags, which can be used with IS_DAX(). The dax option is restricted to non multi-device mounts. dax interacts with the device directly instead of using bio, so all bio-hooks which we use for multi-device cannot be performed here. While