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nfs: NFS_SWAP should depend on SWAP

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commit 474c4f306eefbb21b67ebd1de802d005c7d7ecdc upstream.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geert Uytterhoeven 2019-12-30 16:32:38 +01:00 committed by Greg Kroah-Hartman
parent 2edc1dc900
commit 15466c4d29
1 changed files with 1 additions and 1 deletions
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fs/nfs/Kconfig
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@ -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.