Re: [PATCH 3/3] btrfs: set FS_SUPPORTS_SEEK_HOLE flag.

From: Chris Mason
Date: Mon Apr 20 2015 - 15:49:41 EST


On 04/20/2015 01:27 AM, NeilBrown wrote:
> This allows fscache to cachefiles in a btrfs filesystem.

Thanks for working on this Neil.

Signed-off-by: Chris Mason <clm@xxxxxx>

-chris

>
> Signed-off-by: NeilBrown <neilb@xxxxxxx>
> ---
> fs/btrfs/super.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
> index 05fef198ff94..d3c5d2b40f8e 100644
> --- a/fs/btrfs/super.c
> +++ b/fs/btrfs/super.c
> @@ -1904,7 +1904,8 @@ static struct file_system_type btrfs_fs_type = {
> .name = "btrfs",
> .mount = btrfs_mount,
> .kill_sb = btrfs_kill_super,
> - .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA,
> + .fs_flags = FS_REQUIRES_DEV | FS_BINARY_MOUNTDATA |
> + FS_SUPPORTS_SEEK_HOLE,
> };
> MODULE_ALIAS_FS("btrfs");
>
>
>

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