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    Subject[PATCH AUTOSEL 4.9 021/141] nfs: NFS_SWAP should depend on SWAP
    Date
    From: Geert Uytterhoeven <geert+renesas@glider.be>

    [ Upstream commit 474c4f306eefbb21b67ebd1de802d005c7d7ecdc ]

    If CONFIG_SWAP=n, it does not make much sense to offer the user the
    option to enable support for swapping over NFS, as that will still fail
    at run time:

    # swapon /swap
    swapon: /swap: swapon failed: Function not implemented

    Fix this by adding a dependency on CONFIG_SWAP.

    Fixes: a564b8f0398636ba ("nfs: enable swap on NFS")
    Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
    Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    fs/nfs/Kconfig | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
    index b1daeafbea920..c3428767332c2 100644
    --- a/fs/nfs/Kconfig
    +++ b/fs/nfs/Kconfig
    @@ -89,7 +89,7 @@ config NFS_V4
    config NFS_SWAP
    bool "Provide swap over NFS support"
    default n
    - depends on NFS_FS
    + depends on NFS_FS && SWAP
    select SUNRPC_SWAP
    help
    This option enables swapon to work on files located on NFS mounts.
    --
    2.20.1
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