lockd needs to be able to hash filehandles for tracepoints. Move
nfs_fhandle_hash to a common nfs include file.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/nfs/internal.h | 15 ---------------
include/linux/nfs.h | 20 ++++++++++++++++++++
2 files changed, 20 insertions(+), 15 deletions(-)
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 2a65fe2a63ab..10fb5e7573eb 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -846,27 +846,12 @@ u64 nfs_timespec_to_change_attr(const struct timespec64 *ts)
}
#ifdef CONFIG_CRC32
-/**
- * nfs_fhandle_hash - calculate the crc32 hash for the filehandle
- * @fh - pointer to filehandle
- *
- * returns a crc32 hash for the filehandle that is compatible with
- * the one displayed by "wireshark".
- */
-static inline u32 nfs_fhandle_hash(const struct nfs_fh *fh)
-{
- return ~crc32_le(0xFFFFFFFF, &fh->data[0], fh->size);
-}
static inline u32 nfs_stateid_hash(const nfs4_stateid *stateid)
{
return ~crc32_le(0xFFFFFFFF, &stateid->other[0],
NFS4_STATEID_OTHER_SIZE);
}
#else
-static inline u32 nfs_fhandle_hash(const struct nfs_fh *fh)
-{
- return 0;
-}
static inline u32 nfs_stateid_hash(nfs4_stateid *stateid)
{
return 0;
diff --git a/include/linux/nfs.h b/include/linux/nfs.h
index b06375e88e58..ceb70a926b95 100644
--- a/include/linux/nfs.h
+++ b/include/linux/nfs.h
@@ -10,6 +10,7 @@
#include <linux/sunrpc/msg_prot.h>
#include <linux/string.h>
+#include <linux/crc32.h>
#include <uapi/linux/nfs.h>
/*
@@ -44,4 +45,23 @@ enum nfs3_stable_how {
/* used by direct.c to mark verf as invalid */
NFS_INVALID_STABLE_HOW = -1
};
+
+#ifdef CONFIG_CRC32
+/**
+ * nfs_fhandle_hash - calculate the crc32 hash for the filehandle
+ * @fh - pointer to filehandle
+ *
+ * returns a crc32 hash for the filehandle that is compatible with
+ * the one displayed by "wireshark".
+ */
+static inline u32 nfs_fhandle_hash(const struct nfs_fh *fh)
+{
+ return ~crc32_le(0xFFFFFFFF, &fh->data[0], fh->size);
+}
+#else /* CONFIG_CRC32 */
+static inline u32 nfs_fhandle_hash(const struct nfs_fh *fh)
+{
+ return 0;
+}
+#endif /* CONFIG_CRC32 */
#endif /* _LINUX_NFS_H */
--
2.39.2
