From bc02e8693d875c2a9b0037cfd37fe0b726d26403 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Fri, 16 Nov 2012 09:20:37 +1100 Subject: xfs: add CRC infrastructure - add a mount feature bit for CRC enabled filesystems - add some helpers for generating and verifying the CRCs - add a copy_uuid helper The checksumming helpers are loosely based on similar ones in sctp, all other bits come from Dave Chinner. Signed-off-by: Christoph Hellwig Signed-off-by: Dave Chinner Reviewed-by: Mark Tinguely Signed-off-by: Ben Myers --- fs/xfs/uuid.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'fs/xfs/uuid.h') diff --git a/fs/xfs/uuid.h b/fs/xfs/uuid.h index 4732d71262cc..104db0f3bed6 100644 --- a/fs/xfs/uuid.h +++ b/fs/xfs/uuid.h @@ -26,4 +26,10 @@ extern int uuid_is_nil(uuid_t *uuid); extern int uuid_equal(uuid_t *uuid1, uuid_t *uuid2); extern void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]); +static inline void +uuid_copy(uuid_t *dst, uuid_t *src) +{ + memcpy(dst, src, sizeof(uuid_t)); +} + #endif /* __XFS_SUPPORT_UUID_H__ */ -- cgit v1.2.3