[PATCH 09/61] nfs: remove nfs_fattr_to_ino_t() and nfs_fileid_to_ino_t()

Now that i_ino is u64, these helpers are trivial identity functions that
just return the fileid unchanged. Remove them and use fattr->fileid
directly at the two call sites.

nfs_fileid_to_ino_t() had no callers at all.

Signed-off-by: Jeff Layton <[email protected]>
---
 fs/nfs/inode.c         | 17 +++--------------
 include/linux/nfs_fs.h |  6 ------
 2 files changed, 3 insertions(+), 20 deletions(-)

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 38c7b79e76b3f9eb21d325b98708fe67d159076f..d88f5689548bcb4e27d6087a49b525762fbaa9e2 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -66,12 +66,6 @@ static int nfs_update_inode(struct inode *, struct nfs_fattr *);
 
 static struct kmem_cache * nfs_inode_cachep;
 
-static inline u64
-nfs_fattr_to_ino_t(struct nfs_fattr *fattr)
-{
-	return fattr->fileid;
-}
-
 int nfs_wait_bit_killable(struct wait_bit_key *key, int mode)
 {
 	if (unlikely(nfs_current_task_exiting()))
@@ -413,14 +407,12 @@ nfs_ilookup(struct super_block *sb, struct nfs_fattr *fattr, struct nfs_fh *fh)
 		.fattr	= fattr,
 	};
 	struct inode *inode;
-	unsigned long hash;
 
 	if (!(fattr->valid & NFS_ATTR_FATTR_FILEID) ||
 	    !(fattr->valid & NFS_ATTR_FATTR_TYPE))
 		return NULL;
 
-	hash = nfs_fattr_to_ino_t(fattr);
-	inode = ilookup5(sb, hash, nfs_find_actor, &desc);
+	inode = ilookup5(sb, fattr->fileid, nfs_find_actor, &desc);
 
 	dprintk("%s: returning %p\n", __func__, inode);
 	return inode;
@@ -456,7 +448,6 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
 	};
 	struct inode *inode = ERR_PTR(-ENOENT);
 	u64 fattr_supported = NFS_SB(sb)->fattr_valid;
-	unsigned long hash;
 
 	nfs_attr_check_mountpoint(sb, fattr);
 
@@ -467,9 +458,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
 	if ((fattr->valid & NFS_ATTR_FATTR_TYPE) == 0)
 		goto out_no_inode;
 
-	hash = nfs_fattr_to_ino_t(fattr);
-
-	inode = iget5_locked(sb, hash, nfs_find_actor, nfs_init_locked, &desc);
+	inode = iget5_locked(sb, fattr->fileid, nfs_find_actor, nfs_init_locked, &desc);
 	if (inode == NULL) {
 		inode = ERR_PTR(-ENOMEM);
 		goto out_no_inode;
@@ -481,7 +470,7 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
 
 		/* We set i_ino for the few things that still rely on it,
 		 * such as stat(2) */
-		inode->i_ino = hash;
+		inode->i_ino = fattr->fileid;
 
 		/* We can't support update_atime(), since the server will reset it */
 		inode->i_flags |= S_NOATIME|S_NOCMTIME;
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 0e6d03c10c3de91cac4cd4d08c961e171cbf9a41..816670562d17b3f46ec2d22d4f9412e42f7e1a3b 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -667,12 +667,6 @@ static inline loff_t nfs_size_to_loff_t(__u64 size)
 	return min_t(u64, size, OFFSET_MAX);
 }
 
-static inline u64
-nfs_fileid_to_ino_t(u64 fileid)
-{
-	return fileid;
-}
-
 static inline void nfs_ooo_clear(struct nfs_inode *nfsi)
 {
 	nfsi->cache_validity &= ~NFS_INO_DATA_INVAL_DEFER;

-- 
2.53.0