ntfs3: convert to ctime accessor functions

In later patches, we're going to change how the inode's ctime field is
used. Switch to using accessor functions instead of raw accesses of
inode->i_ctime.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Message-Id: <20230705190309.579783-59-jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

fs/ntfs3/file.c

@@ -342,7 +342,7 @@ static int ntfs_extend(struct inode *inode, loff_t pos, size_t count,
 		err = 0;
 	}
 
-	inode->i_ctime = inode->i_mtime = current_time(inode);
+	inode->i_mtime = inode_set_ctime_current(inode);
 	mark_inode_dirty(inode);
 
 	if (IS_SYNC(inode)) {
@@ -400,7 +400,7 @@ static int ntfs_truncate(struct inode *inode, loff_t new_size)
 	ni_unlock(ni);
 
 	ni->std_fa |= FILE_ATTRIBUTE_ARCHIVE;
-	inode->i_ctime = inode->i_mtime = current_time(inode);
+	inode->i_mtime = inode_set_ctime_current(inode);
 	if (!IS_DIRSYNC(inode)) {
 		dirty = 1;
 	} else {
@@ -642,7 +642,7 @@ static long ntfs_fallocate(struct file *file, int mode, loff_t vbo, loff_t len)
 		filemap_invalidate_unlock(mapping);
 
 	if (!err) {
-		inode->i_ctime = inode->i_mtime = current_time(inode);
+		inode->i_mtime = inode_set_ctime_current(inode);
 		mark_inode_dirty(inode);
 	}
 

fs/ntfs3/frecord.c

@@ -3265,6 +3265,7 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint)
 	if (is_rec_inuse(ni->mi.mrec) &&
 	    !(sbi->flags & NTFS_FLAGS_LOG_REPLAYING) && inode->i_nlink) {
 		bool modified = false;
+		struct timespec64 ctime = inode_get_ctime(inode);
 
 		/* Update times in standard attribute. */
 		std = ni_std(ni);
@@ -3280,7 +3281,7 @@ int ni_write_inode(struct inode *inode, int sync, const char *hint)
 			modified = true;
 		}
 
-		dup.c_time = kernel2nt(&inode->i_ctime);
+		dup.c_time = kernel2nt(&ctime);
 		if (std->c_time != dup.c_time) {
 			std->c_time = dup.c_time;
 			modified = true;

fs/ntfs3/inode.c

@@ -44,6 +44,7 @@ static struct inode *ntfs_read_mft(struct inode *inode,
 	u64 t64;
 	struct MFT_REC *rec;
 	struct runs_tree *run;
+	struct timespec64 ctime;
 
 	inode->i_op = NULL;
 	/* Setup 'uid' and 'gid' */
@@ -169,7 +170,8 @@ static struct inode *ntfs_read_mft(struct inode *inode,
 		nt2kernel(std5->cr_time, &ni->i_crtime);
 #endif
 		nt2kernel(std5->a_time, &inode->i_atime);
-		nt2kernel(std5->c_time, &inode->i_ctime);
+		ctime = inode_get_ctime(inode);
+		nt2kernel(std5->c_time, &ctime);
 		nt2kernel(std5->m_time, &inode->i_mtime);
 
 		ni->std_fa = std5->fa;
@@ -958,7 +960,7 @@ int ntfs_write_end(struct file *file, struct address_space *mapping, loff_t pos,
 
 	if (err >= 0) {
 		if (!(ni->std_fa & FILE_ATTRIBUTE_ARCHIVE)) {
-			inode->i_ctime = inode->i_mtime = current_time(inode);
+			inode->i_mtime = inode_set_ctime_current(inode);
 			ni->std_fa |= FILE_ATTRIBUTE_ARCHIVE;
 			dirty = true;
 		}
@@ -1658,8 +1660,8 @@ struct inode *ntfs_create_inode(struct mnt_idmap *idmap, struct inode *dir,
 	d_instantiate(dentry, inode);
 
 	/* Set original time. inode times (i_ctime) may be changed in ntfs_init_acl. */
-	inode->i_atime = inode->i_mtime = inode->i_ctime = dir->i_mtime =
-		dir->i_ctime = ni->i_crtime;
+	inode->i_atime = inode->i_mtime = inode_set_ctime_to_ts(inode, ni->i_crtime);
+	dir->i_mtime = inode_set_ctime_to_ts(dir, ni->i_crtime);
 
 	mark_inode_dirty(dir);
 	mark_inode_dirty(inode);
@@ -1765,9 +1767,9 @@ int ntfs_unlink_inode(struct inode *dir, const struct dentry *dentry)
 
 	if (!err) {
 		drop_nlink(inode);
-		dir->i_mtime = dir->i_ctime = current_time(dir);
+		dir->i_mtime = inode_set_ctime_current(dir);
 		mark_inode_dirty(dir);
-		inode->i_ctime = dir->i_ctime;
+		inode_set_ctime_to_ts(inode, inode_get_ctime(dir));
 		if (inode->i_nlink)
 			mark_inode_dirty(inode);
 	} else if (!ni_remove_name_undo(dir_ni, ni, de, de2, undo_remove)) {

fs/ntfs3/namei.c

@@ -156,8 +156,8 @@ static int ntfs_link(struct dentry *ode, struct inode *dir, struct dentry *de)
 	err = ntfs_link_inode(inode, de);
 
 	if (!err) {
-		dir->i_ctime = dir->i_mtime = inode->i_ctime =
-			current_time(dir);
+		dir->i_mtime = inode_set_ctime_to_ts(inode,
+						     inode_set_ctime_current(dir));
 		mark_inode_dirty(inode);
 		mark_inode_dirty(dir);
 		d_instantiate(de, inode);

fs/ntfs3/xattr.c

@@ -637,7 +637,7 @@ static noinline int ntfs_set_acl_ex(struct mnt_idmap *idmap,
 	if (!err) {
 		set_cached_acl(inode, type, acl);
 		inode->i_mode = mode;
-		inode->i_ctime = current_time(inode);
+		inode_set_ctime_current(inode);
 		mark_inode_dirty(inode);
 	}
 
@@ -924,7 +924,7 @@ static noinline int ntfs_setxattr(const struct xattr_handler *handler,
 			  NULL);
 
 out:
-	inode->i_ctime = current_time(inode);
+	inode_set_ctime_current(inode);
 	mark_inode_dirty(inode);
 
 	return err;