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SubjectRe: [PATCH] ovl: fix link error without POSIX ACL
On Thu, Jul 14, 2016 at 11:54 AM, Arnd Bergmann <arnd@arndb.de> wrote:
> The latest fix for ACL on overlayfs introduced a link error:
>
> fs/built-in.o: In function `ovl_posix_acl_xattr_set':
> file.c:(.text+0x6b320): undefined reference to `posix_acl_from_xattr'
>
> posix_acl_from_xattr doesn't have a 'static inline' implementation when
> CONFIG_FS_POSIX_ACL is disabled, and I could not come up with an obvious
> way to do it.
>
> This instead avoids the link error by defining two sets of ACL operations
> and letting the compiler drop one of the two at compile time depending
> on CONFIG_FS_POSIX_ACL. This avoids all references to the ACL code,
> also leading to smaller code.

Thanks, pushed.

Miklos

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