[PATCH v3 07/13] vfs_btrfs: add [GET/SET]_COMPRESSION handlers

Tue Nov 5 05:40:16 MST 2013

On Tue, Nov 05, 2013 at 12:57:57PM +0100, David Disseldorp wrote:
> Translate such requests into FS_IOC_GETFLAGS and FS_IOC_SETFLAGS ioctls
> respectively. The module makes no distinction between compression types,
> only whether or not compression is enabled.

...

> +	ret = ioctl(fd, FS_IOC_SETFLAGS, &flags);

Is this call sync, i.e. does it block until that 1TB archive
is compressed?

Best regards,

Volker

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