Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/roste...

[~andy/linux] / fs / inode.c

diff --git a/fs/inode.c b/fs/inode.c
index 83ab215baab11bdacbc71d4a2b008d49da9fc003..deb72f6c2b4fa0608b2fd5fc573108b7a250b3fc 100644 (file)
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -2,29 +2,19 @@
  * (C) 1997 Linus Torvalds
  * (C) 1999 Andrea Arcangeli <andrea@suse.de> (dynamic inode allocation)
  */
+#include <linux/export.h>
 #include <linux/fs.h>
 #include <linux/mm.h>
-#include <linux/dcache.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/writeback.h>
-#include <linux/module.h>
 #include <linux/backing-dev.h>
-#include <linux/wait.h>
-#include <linux/rwsem.h>
 #include <linux/hash.h>
 #include <linux/swap.h>
 #include <linux/security.h>
-#include <linux/pagemap.h>
 #include <linux/cdev.h>
 #include <linux/bootmem.h>
 #include <linux/fsnotify.h>
 #include <linux/mount.h>
-#include <linux/async.h>
 #include <linux/posix_acl.h>
 #include <linux/prefetch.h>
-#include <linux/ima.h>
-#include <linux/cred.h>
 #include <linux/buffer_head.h> /* for inode_has_buffers */
 #include <linux/ratelimit.h>
 #include "internal.h"
@@ -145,8 +135,8 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
        inode->i_fop = &empty_fops;
        inode->__i_nlink = 1;
        inode->i_opflags = 0;
-       inode->i_uid = 0;
-       inode->i_gid = 0;
+       i_uid_write(inode, 0);
+       i_gid_write(inode, 0);
        atomic_set(&inode->i_writecount, 0);
        inode->i_size = 0;
        inode->i_blocks = 0;
@@ -1368,17 +1358,6 @@ int generic_delete_inode(struct inode *inode)
 }
 EXPORT_SYMBOL(generic_delete_inode);
 
-/*
- * Normal UNIX filesystem behaviour: delete the
- * inode when the usage count drops to zero, and
- * i_nlink is zero.
- */
-int generic_drop_inode(struct inode *inode)
-{
-       return !inode->i_nlink || inode_unhashed(inode);
-}
-EXPORT_SYMBOL_GPL(generic_drop_inode);
-
 /*
  * Called when we're dropping the last reference
  * to an inode.
@@ -1510,9 +1489,10 @@ static int relatime_need_update(struct vfsmount *mnt, struct inode *inode,
  *     This function automatically handles read only file systems and media,
  *     as well as the "noatime" flag and inode specific "noatime" markers.
  */
-void touch_atime(struct vfsmount *mnt, struct dentry *dentry)
+void touch_atime(struct path *path)
 {
-       struct inode *inode = dentry->d_inode;
+       struct vfsmount *mnt = path->mnt;
+       struct inode *inode = path->dentry->d_inode;
        struct timespec now;
 
        if (inode->i_flags & S_NOATIME)
@@ -1752,11 +1732,9 @@ EXPORT_SYMBOL(inode_init_owner);
  */
 bool inode_owner_or_capable(const struct inode *inode)
 {
-       struct user_namespace *ns = inode_userns(inode);
-
-       if (current_user_ns() == ns && current_fsuid() == inode->i_uid)
+       if (uid_eq(current_fsuid(), inode->i_uid))
                return true;
-       if (ns_capable(ns, CAP_FOWNER))
+       if (inode_capable(inode, CAP_FOWNER))
                return true;
        return false;
 }