linux-kernel - [PATCH 1/2] codafs: Fix build using bare-metal toolchain

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Date:   Tue, 28 Aug 2018 17:24:20 +0300
From:   Sam Protsenko <semen.protsenko@...aro.org>
To:     linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        codalist@...a.cs.cmu.edu, coda@...cmu.edu
Cc:     Jan Harkes <jaharkes@...cmu.edu>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Praneeth Bajjuri <praneeth@...com>,
        Paul Sokolovsky <paul.sokolovsky@...aro.org>,
        Miklos Szeredi <mszeredi@...e.cz>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        Ruslan Bilovol <ruslan.bilovol@...il.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: [PATCH 1/2] codafs: Fix build using bare-metal toolchain

The kernel is self-contained project and can be built with bare-metal
toolchain. But bare-metal toolchain doesn't define u_quad_t type.
Because of this codafs build fails when building with bare-metal
toolchain. This patch fixes it by defining u_quad_t type in case when
non-Linux toolchain is used.

Signed-off-by: Sam Protsenko <semen.protsenko@...aro.org>
---
 include/uapi/linux/coda.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/uapi/linux/coda.h b/include/uapi/linux/coda.h
index 695fade33c64..098a6c318b0a 100644
--- a/include/uapi/linux/coda.h
+++ b/include/uapi/linux/coda.h
@@ -96,6 +96,11 @@ typedef unsigned long long u_quad_t;
 #endif /* !KERNEL */
 #endif /* !DJGPP */
 
+/* Handle bare-metal toolchain case */
+#if defined(__KERNEL__) && !defined(__linux__) && !defined(_UQUAD_T_) && \
+!defined(__UQUAD_TYPE)
+typedef unsigned long long u_quad_t;
+#endif
 
 #if defined(__linux__)
 #include <linux/time.h>
-- 
2.18.0