From 345ebd08761927a95cd3f70a47d9b0561c71cad1 Mon Sep 17 00:00:00 2001
From: Auke Kok <auke.kok@versity.com>
Date: Mon, 16 Oct 2023 16:36:22 -0700
Subject: [PATCH] fiemap_prep replaces fiemap_check_flags.

v5.7-rc4-53-gcddf8a2c4a82

The prep helper replaces the sanity checks.

Signed-off-by: Auke Kok <auke.kok@versity.com>
---
 kmod/src/Makefile.kernelcompat | 8 ++++++++
 kmod/src/data.c                | 2 +-
 kmod/src/kernelcompat.h        | 4 ++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/kmod/src/Makefile.kernelcompat b/kmod/src/Makefile.kernelcompat
index 1a9c0da1..5c8d519b 100644
--- a/kmod/src/Makefile.kernelcompat
+++ b/kmod/src/Makefile.kernelcompat
@@ -314,3 +314,11 @@ endif
 ifneq (,$(shell grep 'struct bio .bio_alloc.struct block_device .bdev' include/linux/bio.h))
 ccflags-y += -DKC_BIO_ALLOC_DEV_OPF_ARGS
 endif
+
+#
+# v5.7-rc4-53-gcddf8a2c4a82
+#
+# fiemap_prep() replaces fiemap_check_flags()
+ifneq (,$(shell grep -s 'int fiemap_prep.struct inode' include/linux/fiemap.h))
+ccflags-y += -DKC_FIEMAP_PREP
+endif
diff --git a/kmod/src/data.c b/kmod/src/data.c
index 49ab801d..8a1c65e0 100644
--- a/kmod/src/data.c
+++ b/kmod/src/data.c
@@ -1544,7 +1544,7 @@ int scoutfs_data_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		goto out;
 	}
 
-	ret = fiemap_check_flags(fieinfo, FIEMAP_FLAG_SYNC);
+	ret = fiemap_prep(inode, fieinfo, start, &len, FIEMAP_FLAG_SYNC);
 	if (ret)
 		goto out;
 
diff --git a/kmod/src/kernelcompat.h b/kmod/src/kernelcompat.h
index 247aa4e1..665d28fa 100644
--- a/kmod/src/kernelcompat.h
+++ b/kmod/src/kernelcompat.h
@@ -316,4 +316,8 @@ static inline struct bio *kc_bio_alloc(struct block_device *bdev, unsigned short
 }
 #endif
 
+#ifndef KC_FIEMAP_PREP
+#define fiemap_prep(inode, fieinfo, start, len, flags) fiemap_check_flags(fieinfo, flags)
+#endif
+
 #endif