From 040cb3786d9b25293b8b0b05b90da0f871e1eb9b Mon Sep 17 00:00:00 2001
From: Li Xi <pkuelelixi@gmail.com>
Date: Fri, 8 Jan 2016 16:01:21 -0500
Subject: ext4: adds project ID support

Signed-off-by: Li Xi <lixi@ddn.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
Reviewed-by: Jan Kara <jack@suse.cz>
---
 fs/ext4/ialloc.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'fs/ext4/ialloc.c')

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index 1b8024d26f65..3fcfd50a2e8a 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -799,6 +799,13 @@ struct inode *__ext4_new_inode(handle_t *handle, struct inode *dir,
 		inode->i_gid = dir->i_gid;
 	} else
 		inode_init_owner(inode, dir, mode);
+
+	if (EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_PROJECT) &&
+	    ext4_test_inode_flag(dir, EXT4_INODE_PROJINHERIT))
+		ei->i_projid = EXT4_I(dir)->i_projid;
+	else
+		ei->i_projid = make_kprojid(&init_user_ns, EXT4_DEF_PROJID);
+
 	err = dquot_initialize(inode);
 	if (err)
 		goto out;
-- 
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