fs: Give dentry to inode_change_ok() instead of inode

[ Upstream commit 31051c85b5e2aaaf6315f74c72a732673632a905 ]

inode_change_ok() will be resposible for clearing capabilities and IMA
extended attributes and as such will need dentry. Give it as an argument
to inode_change_ok() instead of an inode. Also rename inode_change_ok()
to setattr_prepare() to better relect that it does also some
modifications in addition to checks.

References: CVE-2015-1350
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Philipp Hahn <hahn@univention.de>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>

47 files changed, 61 insertions, 60 deletions

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 53f1e8a21707..99c3c4ffe1d9 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1094,7 +1094,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
 	struct p9_wstat wstat;
 
 	p9_debug(P9_DEBUG_VFS, "\n");
-	retval = inode_change_ok(d_inode(dentry), iattr);
+	retval = setattr_prepare(dentry, iattr);
 	if (retval)
 		return retval;
 
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 4d3ecfb55fcf..ce7ab92f7e84 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -560,7 +560,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr)
 
 	p9_debug(P9_DEBUG_VFS, "\n");
 
-	retval = inode_change_ok(inode, iattr);
+	retval = setattr_prepare(dentry, iattr);
 	if (retval)
 		return retval;
 
diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c
index 335055d828e4..f57baaa511aa 100644
--- a/fs/adfs/inode.c
+++ b/fs/adfs/inode.c
@@ -303,7 +303,7 @@ adfs_notify_change(struct dentry *dentry, struct iattr *attr)
 	unsigned int ia_valid = attr->ia_valid;
 	int error;
 	
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 
 	/*
 	 * we can't change the UID or GID of any file -
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index a022f4accd76..87953b94a5ae 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -218,7 +218,7 @@ affs_notify_change(struct dentry *dentry, struct iattr *attr)
 
 	pr_debug("notify_change(%lu,0x%x)\n", inode->i_ino, attr->ia_valid);
 
-	error = inode_change_ok(inode,attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		goto out;
 
diff --git a/fs/attr.c b/fs/attr.c
index 6530ced19697..85cae17db784 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -17,19 +17,22 @@
 #include <linux/ima.h>
 
 /**
- * inode_change_ok - check if attribute changes to an inode are allowed
- * @inode:	inode to check
+ * setattr_prepare - check if attribute changes to a dentry are allowed
+ * @dentry:	dentry to check
  * @attr:	attributes to change
  *
  * Check if we are allowed to change the attributes contained in @attr
- * in the given inode.  This includes the normal unix access permission
- * checks, as well as checks for rlimits and others.
+ * in the given dentry.  This includes the normal unix access permission
+ * checks, as well as checks for rlimits and others. The function also clears
+ * SGID bit from mode if user is not allowed to set it. Also file capabilities
+ * and IMA extended attributes are cleared if ATTR_KILL_PRIV is set.
  *
  * Should be called as the first thing in ->setattr implementations,
  * possibly after taking additional locks.
  */
-int inode_change_ok(const struct inode *inode, struct iattr *attr)
+int setattr_prepare(struct dentry *dentry, struct iattr *attr)
 {
+	struct inode *inode = d_inode(dentry);
 	unsigned int ia_valid = attr->ia_valid;
 
 	/*
@@ -79,7 +82,7 @@ int inode_change_ok(const struct inode *inode, struct iattr *attr)
 
 	return 0;
 }
-EXPORT_SYMBOL(inode_change_ok);
+EXPORT_SYMBOL(setattr_prepare);
 
 /**
  * inode_newsize_ok - may this inode be truncated to a given size
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index c4771af7fd6f..757a34bdd2b9 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4975,7 +4975,7 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr)
 	if (btrfs_root_readonly(root))
 		return -EROFS;
 
-	err = inode_change_ok(inode, attr);
+	err = setattr_prepare(dentry, attr);
 	if (err)
 		return err;
 
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index e876e1944519..4484aaf5c478 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1728,7 +1728,7 @@ int ceph_setattr(struct dentry *dentry, struct iattr *attr)
 	if (ceph_snap(inode) != CEPH_NOSNAP)
 		return -EROFS;
 
-	err = inode_change_ok(inode, attr);
+	err = setattr_prepare(dentry, attr);
 	if (err != 0)
 		return err;
 
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 9fb3bc26a2ab..f82dfe7ae3e8 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2134,7 +2134,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM)
 		attrs->ia_valid |= ATTR_FORCE;
 
-	rc = inode_change_ok(inode, attrs);
+	rc = setattr_prepare(direntry, attrs);
 	if (rc < 0)
 		goto out;
 
@@ -2274,7 +2274,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs)
 	if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM)
 		attrs->ia_valid |= ATTR_FORCE;
 
-	rc = inode_change_ok(inode, attrs);
+	rc = setattr_prepare(direntry, attrs);
 	if (rc < 0) {
 		free_xid(xid);
 		return rc;
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index fc850b55db67..661dd53f0040 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -942,7 +942,7 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia)
 	}
 	mutex_unlock(&crypt_stat->cs_mutex);
 
-	rc = inode_change_ok(inode, ia);
+	rc = setattr_prepare(dentry, ia);
 	if (rc)
 		goto out;
 	if (ia->ia_valid & ATTR_SIZE) {
diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index 786e4cc8c889..159c30c18395 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -1038,7 +1038,7 @@ int exofs_setattr(struct dentry *dentry, struct iattr *iattr)
 	if (unlikely(error))
 		return error;
 
-	error = inode_change_ok(inode, iattr);
+	error = setattr_prepare(dentry, iattr);
 	if (unlikely(error))
 		return error;
 
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index f460ae36d5b7..f08604366cb5 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1547,7 +1547,7 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
 	struct inode *inode = d_inode(dentry);
 	int error;
 
-	error = inode_change_ok(inode, iattr);
+	error = setattr_prepare(dentry, iattr);
 	if (error)
 		return error;
 
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 2ee2dc4351d1..3613e87c688f 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -3244,7 +3244,7 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
 	int error, rc = 0;
 	const unsigned int ia_valid = attr->ia_valid;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 9b55c6f71bf2..5beca5c5413e 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4751,7 +4751,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 	int orphan = 0;
 	const unsigned int ia_valid = attr->ia_valid;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 2b52e48d7482..85e40c0fdcc4 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -617,7 +617,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr)
 	struct f2fs_inode_info *fi = F2FS_I(inode);
 	int err;
 
-	err = inode_change_ok(inode, attr);
+	err = setattr_prepare(dentry, attr);
 	if (err)
 		return err;
 
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 442d50a0e33e..5d37650483c6 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -388,7 +388,7 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr)
 			attr->ia_valid &= ~TIMES_SET_FLAGS;
 	}
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	attr->ia_valid = ia_valid;
 	if (error) {
 		if (sbi->options.quiet)
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index e9c31bcf44a7..88b09a33d117 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1620,7 +1620,7 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr,
 	if (!(fc->flags & FUSE_DEFAULT_PERMISSIONS))
 		attr->ia_valid |= ATTR_FORCE;
 
-	err = inode_change_ok(inode, attr);
+	err = setattr_prepare(dentry, attr);
 	if (err)
 		return err;
 
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 1b3ca7a2e3fc..6f7f848a3c4e 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1759,7 +1759,7 @@ static int gfs2_setattr(struct dentry *dentry, struct iattr *attr)
 	if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
 		goto out;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		goto out;
 
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index b99ebddb10cb..6409b8b4afd4 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -604,7 +604,7 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr)
 	struct hfs_sb_info *hsb = HFS_SB(inode->i_sb);
 	int error;
 
-	error = inode_change_ok(inode, attr); /* basic permission checks */
+	error = setattr_prepare(dentry, attr); /* basic permission checks */
 	if (error)
 		return error;
 
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 6dd107d7421e..d87c8a27e063 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -246,7 +246,7 @@ static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
 	struct inode *inode = d_inode(dentry);
 	int error;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index f895a85d9304..81ce4e4ad0f9 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -812,7 +812,7 @@ static int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
 
 	int fd = HOSTFS_I(inode)->fd;
 
-	err = inode_change_ok(inode, attr);
+	err = setattr_prepare(dentry, attr);
 	if (err)
 		return err;
 
diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index 933c73780813..efbed9520fdc 100644
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -272,7 +272,7 @@ int hpfs_setattr(struct dentry *dentry, struct iattr *attr)
 	if ((attr->ia_valid & ATTR_SIZE) && attr->ia_size > inode->i_size)
 		goto out_unlock;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		goto out_unlock;
 
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 87724c1d7be6..a533d8c66489 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -400,7 +400,7 @@ static int hugetlbfs_setattr(struct dentry *dentry, struct iattr *attr)
 
 	BUG_ON(!inode);
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index fe5ea080b4ec..6273abad377f 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -193,7 +193,7 @@ int jffs2_setattr(struct dentry *dentry, struct iattr *iattr)
 	struct inode *inode = d_inode(dentry);
 	int rc;
 
-	rc = inode_change_ok(inode, iattr);
+	rc = setattr_prepare(dentry, iattr);
 	if (rc)
 		return rc;
 
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index e98d39d75cf4..66d6362a9007 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -103,7 +103,7 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
 	struct inode *inode = d_inode(dentry);
 	int rc;
 
-	rc = inode_change_ok(inode, iattr);
+	rc = setattr_prepare(dentry, iattr);
 	if (rc)
 		return rc;
 
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c
index 756dd56aaf60..a17c850a4958 100644
--- a/fs/kernfs/inode.c
+++ b/fs/kernfs/inode.c
@@ -119,7 +119,7 @@ int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr)
 		return -EINVAL;
 
 	mutex_lock(&kernfs_mutex);
-	error = inode_change_ok(inode, iattr);
+	error = setattr_prepare(dentry, iattr);
 	if (error)
 		goto out;
 
diff --git a/fs/libfs.c b/fs/libfs.c
index f4641fd27bda..50edbdc23cef 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -371,7 +371,7 @@ int simple_setattr(struct dentry *dentry, struct iattr *iattr)
 	struct inode *inode = d_inode(dentry);
 	int error;
 
-	error = inode_change_ok(inode, iattr);
+	error = setattr_prepare(dentry, iattr);
 	if (error)
 		return error;
 
diff --git a/fs/logfs/file.c b/fs/logfs/file.c
index 1a6f0167b16a..3abe1414c3f4 100644
--- a/fs/logfs/file.c
+++ b/fs/logfs/file.c
@@ -244,7 +244,7 @@ static int logfs_setattr(struct dentry *dentry, struct iattr *attr)
 	struct inode *inode = d_inode(dentry);
 	int err = 0;
 
-	err = inode_change_ok(inode, attr);
+	err = setattr_prepare(dentry, attr);
 	if (err)
 		return err;
 
diff --git a/fs/minix/file.c b/fs/minix/file.c
index 94f0eb9a6e2c..a6a4797aa0d4 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -26,7 +26,7 @@ static int minix_setattr(struct dentry *dentry, struct iattr *attr)
 	struct inode *inode = d_inode(dentry);
 	int error;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
index 9605a2f63549..7b1261bc2dee 100644
--- a/fs/ncpfs/inode.c
+++ b/fs/ncpfs/inode.c
@@ -884,7 +884,7 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr)
 	/* ageing the dentry to force validation */
 	ncp_age_dentry(server, dentry);
 
-	result = inode_change_ok(inode, attr);
+	result = setattr_prepare(dentry, attr);
 	if (result < 0)
 		goto out;
 
diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c
index 4cd78ef4c95c..44f6f4f5eee0 100644
--- a/fs/nfsd/nfsproc.c
+++ b/fs/nfsd/nfsproc.c
@@ -74,10 +74,10 @@ nfsd_proc_setattr(struct svc_rqst *rqstp, struct nfsd_sattrargs *argp,
 	 * which only requires access, and "set-[ac]time-to-X" which
 	 * requires ownership.
 	 * So if it looks like it might be "set both to the same time which
-	 * is close to now", and if inode_change_ok fails, then we
+	 * is close to now", and if setattr_prepare fails, then we
 	 * convert to "set to now" instead of "set to explicit time"
 	 *
-	 * We only call inode_change_ok as the last test as technically
+	 * We only call setattr_prepare as the last test as technically
 	 * it is not an interface that we should be using.
 	 */
 #define BOTH_TIME_SET (ATTR_ATIME_SET | ATTR_MTIME_SET)
@@ -92,17 +92,15 @@ nfsd_proc_setattr(struct svc_rqst *rqstp, struct nfsd_sattrargs *argp,
 		 * request is.  We require it be within 30 minutes of now.
 		 */
 		time_t delta = iap->ia_atime.tv_sec - get_seconds();
-		struct inode *inode;
 
 		nfserr = fh_verify(rqstp, fhp, 0, NFSD_MAY_NOP);
 		if (nfserr)
 			goto done;
-		inode = d_inode(fhp->fh_dentry);
 
 		if (delta < 0)
 			delta = -delta;
 		if (delta < MAX_TOUCH_TIME_ERROR &&
-		    inode_change_ok(inode, iap) != 0) {
+		    setattr_prepare(fhp->fh_dentry, iap) != 0) {
 			/*
 			 * Turn off ATTR_[AM]TIME_SET but leave ATTR_[AM]TIME.
 			 * This will cause notify_change to set these times
diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c
index 258d9fe2521a..b40df2bb5ee4 100644
--- a/fs/nilfs2/inode.c
+++ b/fs/nilfs2/inode.c
@@ -839,7 +839,7 @@ int nilfs_setattr(struct dentry *dentry, struct iattr *iattr)
 	struct super_block *sb = inode->i_sb;
 	int err;
 
-	err = inode_change_ok(inode, iattr);
+	err = setattr_prepare(dentry, iattr);
 	if (err)
 		return err;
 
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index d284f07eda77..c178763893f3 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -2893,7 +2893,7 @@ int ntfs_setattr(struct dentry *dentry, struct iattr *attr)
 	int err;
 	unsigned int ia_valid = attr->ia_valid;
 
-	err = inode_change_ok(vi, attr);
+	err = setattr_prepare(dentry, attr);
 	if (err)
 		goto out;
 	/* We do not support NTFS ACLs yet. */
diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index b5cf27dcb18a..43ac2289c613 100644
--- a/fs/ocfs2/dlmfs/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -211,7 +211,7 @@ static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr)
 	struct inode *inode = d_inode(dentry);
 
 	attr->ia_valid &= ~ATTR_SIZE;
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index e00be7f509db..bc06b982e9ea 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1150,7 +1150,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 	if (!(attr->ia_valid & OCFS2_VALID_ATTRS))
 		return 0;
 
-	status = inode_change_ok(inode, attr);
+	status = setattr_prepare(dentry, attr);
 	if (status)
 		return status;
 
diff --git a/fs/omfs/file.c b/fs/omfs/file.c
index d9e26cfbb793..bf83e6644333 100644
--- a/fs/omfs/file.c
+++ b/fs/omfs/file.c
@@ -349,7 +349,7 @@ static int omfs_setattr(struct dentry *dentry, struct iattr *attr)
 	struct inode *inode = d_inode(dentry);
 	int error;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 0bb8347c0d8b..d293034ae2cb 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -54,7 +54,7 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr)
 	 * inode_newsize_ok() will always check against MAX_LFS_FILESIZE and not
 	 * check for a swapfile (which this won't be anyway).
 	 */
-	err = inode_change_ok(dentry->d_inode, attr);
+	err = setattr_prepare(dentry, attr);
 	if (err)
 		return err;
 
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 239dca3fb676..fab32ad5d96d 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -517,7 +517,7 @@ int proc_setattr(struct dentry *dentry, struct iattr *attr)
 	if (attr->ia_valid & ATTR_MODE)
 		return -EPERM;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index e5dee5c3188e..d99099fe62d4 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -105,7 +105,7 @@ static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)
 	struct proc_dir_entry *de = PDE(inode);
 	int error;
 
-	error = inode_change_ok(inode, iattr);
+	error = setattr_prepare(dentry, iattr);
 	if (error)
 		return error;
 
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index fdda62e6115e..0dea606074c7 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -753,7 +753,7 @@ static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr)
 	if (attr->ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID))
 		return -EPERM;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index ba1323a94924..aab2593f3179 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -168,7 +168,7 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia)
 	int ret = 0;
 
 	/* POSIX UID/GID verification for setting inode attributes */
-	ret = inode_change_ok(inode, ia);
+	ret = setattr_prepare(dentry, ia);
 	if (ret)
 		return ret;
 
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index f6f2fbad9777..7da1232a78e3 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -3312,7 +3312,7 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
 	unsigned int ia_valid;
 	int error;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 82ddc09061e2..7ba997e31aeb 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -33,7 +33,7 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
 	struct inode *inode = d_inode(dentry);
 	int error;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 75e9b2db14ab..2dc8ce485c51 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1263,7 +1263,7 @@ int ubifs_setattr(struct dentry *dentry, struct iattr *attr)
 
 	dbg_gen("ino %lu, mode %#x, ia_valid %#x",
 		inode->i_ino, inode->i_mode, attr->ia_valid);
-	err = inode_change_ok(inode, attr);
+	err = setattr_prepare(dentry, attr);
 	if (err)
 		return err;
 
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 7a95b8fed302..889f1e5da507 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -252,7 +252,7 @@ static int udf_setattr(struct dentry *dentry, struct iattr *attr)
 	struct inode *inode = d_inode(dentry);
 	int error;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index 21154704c168..a958b36f40bb 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -496,7 +496,7 @@ int ufs_setattr(struct dentry *dentry, struct iattr *attr)
 	unsigned int ia_valid = attr->ia_valid;
 	int error;
 
-	error = inode_change_ok(inode, attr);
+	error = setattr_prepare(dentry, attr);
 	if (error)
 		return error;
 
diff --git a/fs/utimes.c b/fs/utimes.c
index aa138d64560a..61abc3051377 100644
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -81,7 +81,7 @@ static int utimes_common(struct path *path, struct timespec *times)
 			newattrs.ia_valid |= ATTR_MTIME_SET;
 		}
 		/*
-		 * Tell inode_change_ok(), that this is an explicit time
+		 * Tell setattr_prepare(), that this is an explicit time
 		 * update, even if neither ATTR_ATIME_SET nor ATTR_MTIME_SET
 		 * were used.
 		 */
@@ -90,7 +90,7 @@ static int utimes_common(struct path *path, struct timespec *times)
 		/*
 		 * If times is NULL (or both times are UTIME_NOW),
 		 * then we need to check permissions, because
-		 * inode_change_ok() won't do it.
+		 * setattr_prepare() won't do it.
 		 */
 		error = -EACCES;
                 if (IS_IMMUTABLE(inode))
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 274b8b99edfa..4e4d6511185b 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -552,14 +552,14 @@ xfs_vn_change_ok(
 	if (XFS_FORCED_SHUTDOWN(mp))
 		return -EIO;
 
-	return inode_change_ok(inode, iattr);
+	return setattr_prepare(dentry, iattr);
 }
 
 /*
  * Set non-size attributes of an inode.
  *
  * Caution: The caller of this function is responsible for calling
- * inode_change_ok() or otherwise verifying the change is fine.
+ * setattr_prepare() or otherwise verifying the change is fine.
  */
 int
 xfs_setattr_nonsize(
@@ -770,7 +770,7 @@ xfs_vn_setattr_nonsize(
  * Truncate file.  Must have write permission and not be a directory.
  *
  * Caution: The caller of this function is responsible for calling
- * inode_change_ok() or otherwise verifying the change is fine.
+ * setattr_prepare() or otherwise verifying the change is fine.
  */
 int
 xfs_setattr_size(