smb3 client: fix return code mapping of remap_file_range

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commit 0e08fa789d upstream.

We were returning -EOPNOTSUPP for various remap_file_range cases
but for some of these the copy_file_range_syscall() requires -EINVAL
to be returned (e.g. where source and target file ranges overlap when
source and target are the same file). This fixes xfstest generic/157
which was expecting EINVAL for that (and also e.g. for when the src
offset is beyond end of file).

Cc: stable@vger.kernel.org
Acked-by: Paulo Alcantara (Red Hat) <pc@manguebit.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Steve French 2025-08-23 21:15:59 -05:00 • committed by Greg Kroah-Hartman

parent 4a65998543

commit b0165b6ead

1 changed files with 14 additions and 0 deletions

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fs/smb/client/cifsfs.c

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