libxfs: move header files

Move all the header files that are shared with userspace into
libxfs. This is done as one big chunk simpy to get it done quickly.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

1 files changed, 0 insertions, 63 deletions

diff --git a/fs/xfs/xfs_cksum.h b/fs/xfs/xfs_cksum.h
deleted file mode 100644
index fad1676ad8cd..000000000000
--- a/fs/xfs/xfs_cksum.h
+++ /dev/null
@@ -1,63 +0,0 @@
-#ifndef _XFS_CKSUM_H
-#define _XFS_CKSUM_H 1
-
-#define XFS_CRC_SEED	(~(__uint32_t)0)
-
-/*
- * Calculate the intermediate checksum for a buffer that has the CRC field
- * inside it.  The offset of the 32bit crc fields is passed as the
- * cksum_offset parameter.
- */
-static inline __uint32_t
-xfs_start_cksum(char *buffer, size_t length, unsigned long cksum_offset)
-{
-	__uint32_t zero = 0;
-	__uint32_t crc;
-
-	/* Calculate CRC up to the checksum. */
-	crc = crc32c(XFS_CRC_SEED, buffer, cksum_offset);
-
-	/* Skip checksum field */
-	crc = crc32c(crc, &zero, sizeof(__u32));
-
-	/* Calculate the rest of the CRC. */
-	return crc32c(crc, &buffer[cksum_offset + sizeof(__be32)],
-		      length - (cksum_offset + sizeof(__be32)));
-}
-
-/*
- * Convert the intermediate checksum to the final ondisk format.
- *
- * The CRC32c calculation uses LE format even on BE machines, but returns the
- * result in host endian format. Hence we need to byte swap it back to LE format
- * so that it is consistent on disk.
- */
-static inline __le32
-xfs_end_cksum(__uint32_t crc)
-{
-	return ~cpu_to_le32(crc);
-}
-
-/*
- * Helper to generate the checksum for a buffer.
- */
-static inline void
-xfs_update_cksum(char *buffer, size_t length, unsigned long cksum_offset)
-{
-	__uint32_t crc = xfs_start_cksum(buffer, length, cksum_offset);
-
-	*(__le32 *)(buffer + cksum_offset) = xfs_end_cksum(crc);
-}
-
-/*
- * Helper to verify the checksum for a buffer.
- */
-static inline int
-xfs_verify_cksum(char *buffer, size_t length, unsigned long cksum_offset)
-{
-	__uint32_t crc = xfs_start_cksum(buffer, length, cksum_offset);
-
-	return *(__le32 *)(buffer + cksum_offset) == xfs_end_cksum(crc);
-}
-
-#endif /* _XFS_CKSUM_H */