[PATCH v2 3/5] btrfs-progs: kernel based default features for mkfs

Mkfs from latest btrfs-progs will enable latest default features, and if the kernel is down-rev and does not support a latest default feature then mount fails, as expected. This patch disables default features based on the running kernel. Signed-off-by: Anand Jain --- v2:

Re: [PATCH v2 3/5] btrfs-progs: kernel based default features for mkfs

On 2015-11-23 10:57, Christoph Anton Mitterer wrote: Hey. On Mon, 2015-11-23 at 20:56 +0800, Anand Jain wrote: This patch disables default features based on the running kernel. Not sure if that's very realistic in practise (most people will have some distro, whose btrfsprogs version probably

Re: [PATCH v2 3/5] btrfs-progs: kernel based default features for mkfs

On Mon, 2015-11-23 at 11:05 -0500, Austin S Hemmelgarn wrote: > I would find it useful if btrfs gives a warning if it creates a > > filesystem which (because unsupported in the current kernel) lacks > > features which are considered default by then. > It should give a warning if the user requests

Re: [PATCH v2 3/5] btrfs-progs: kernel based default features for mkfs

On 2015-11-23 11:14, Christoph Anton Mitterer wrote: On Mon, 2015-11-23 at 11:05 -0500, Austin S Hemmelgarn wrote: I would find it useful if btrfs gives a warning if it creates a filesystem which (because unsupported in the current kernel) lacks features which are considered default by then.

Re: [PATCH v2 3/5] btrfs-progs: kernel based default features for mkfs

Hey. On Mon, 2015-11-23 at 20:56 +0800, Anand Jain wrote: > This patch disables default features based on the running kernel. Not sure if that's very realistic in practise (most people will have some distro, whose btrfsprogs version probably matches the kernel), but purely from the end-user PoV: