new helper: inode_fake_hash()

open-coded in a quite a few places...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

5 files changed, 15 insertions, 10 deletions

diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 2a16111d312f..a2dfa1b2a89c 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -541,7 +541,7 @@ static struct dentry *hfs_file_lookup(struct inode *dir, struct dentry *dentry,
         HFS_I(inode)->rsrc_inode = dir;
         HFS_I(dir)->rsrc_inode = inode;
         igrab(dir);
-        hlist_add_fake(&inode->i_hash);
+        inode_fake_hash(inode);
         mark_inode_dirty(inode);
         dont_mount(dentry);
 out:
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c
index f36ef68905a7..93e8c590ff5c 100644
--- a/fs/jfs/jfs_imap.c
+++ b/fs/jfs/jfs_imap.c
@@ -491,13 +491,7 @@ struct inode *diReadSpecial(struct super_block *sb, ino_t inum, int secondary)
         /* release the page */
         release_metapage(mp);
 
-        /*
-         * __mark_inode_dirty expects inodes to be hashed.  Since we don't
-         * want special inodes in the fileset inode space, we make them
-         * appear hashed, but do not put on any lists.  hlist_del()
-         * will work fine and require no locking.
-         */
-        hlist_add_fake(&ip->i_hash);
+        inode_fake_hash(ip);
 
         return (ip);
 }
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index 1b9264fd54b6..5403ece57dba 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -581,7 +581,7 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
         inode->i_ino = 0;
         inode->i_size = i_size_read(sb->s_bdev->bd_inode);
         inode->i_mapping->a_ops = &jfs_metapage_aops;
-        hlist_add_fake(&inode->i_hash);
+        inode_fake_hash(inode);
         mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS);
 
         sbi->direct_inode = inode;
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 0fa29f39d658..3a75de777843 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -1253,7 +1253,7 @@ xfs_setup_inode(
 
         inode_sb_list_add(inode);
         /* make the inode look hashed for the writeback code */
-        hlist_add_fake(&inode->i_hash);
+        inode_fake_hash(inode);
 
         inode->i_uid    = xfs_uid_to_kuid(ip->i_d.di_uid);
         inode->i_gid    = xfs_gid_to_kgid(ip->i_d.di_gid);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index a42600565925..43941e230e2b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -685,6 +685,17 @@ static inline int inode_unhashed(struct inode *inode)
 }
 
 /*
+ * __mark_inode_dirty expects inodes to be hashed.  Since we don't
+ * want special inodes in the fileset inode space, we make them
+ * appear hashed, but do not put on any lists.  hlist_del()
+ * will work fine and require no locking.
+ */
+static inline void inode_fake_hash(struct inode *inode)
+{
+        hlist_add_fake(&inode->i_hash);
+}
+
+/*
  * inode->i_mutex nesting subclasses for the lock validator:
  *
  * 0: the object of the current VFS operation