ocfs2: should not use le32_add_cpu to set ocfs2_dinode i_flags

If we use le32_add_cpu to set ocfs2_dinode i_flags, it may lead to the
corresponding flag corrupted.  So we should change it to bitwise and/or
operation.

Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: shencanquan <shencanquan@huawei.com>
Reviewed-by: Jie Liu <jeff.liu@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index b4a5cdf..75964ad 100644 (file)
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -522,7 +522,7 @@ static int __ocfs2_mknod_locked(struct inode *dir,
 
        fe->i_last_eb_blk = 0;
        strcpy(fe->i_signature, OCFS2_INODE_SIGNATURE);
-       le32_add_cpu(&fe->i_flags, OCFS2_VALID_FL);
+       fe->i_flags |= cpu_to_le32(OCFS2_VALID_FL);
        fe->i_atime = fe->i_ctime = fe->i_mtime =
                cpu_to_le64(CURRENT_TIME.tv_sec);
        fe->i_mtime_nsec = fe->i_ctime_nsec = fe->i_atime_nsec =
@@ -2044,7 +2044,7 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
                goto leave;
        }
 
-       le32_add_cpu(&fe->i_flags, OCFS2_ORPHANED_FL);
+       fe->i_flags |= cpu_to_le32(OCFS2_ORPHANED_FL);
        OCFS2_I(inode)->ip_flags &= ~OCFS2_INODE_SKIP_ORPHAN_DIR;
 
        /* Record which orphan dir our inode now resides
@@ -2434,7 +2434,7 @@ int ocfs2_mv_orphaned_inode_to_new(struct inode *dir,
        }
 
        di = (struct ocfs2_dinode *)di_bh->b_data;
-       le32_add_cpu(&di->i_flags, -OCFS2_ORPHANED_FL);
+       di->i_flags &= ~cpu_to_le32(OCFS2_ORPHANED_FL);
        di->i_orphaned_slot = 0;
        set_nlink(inode, 1);
        ocfs2_set_links_count(di, inode->i_nlink);