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-rw-r--r--fs/jfs/namei.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 14528c0ff..c2c439acb 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -811,6 +811,11 @@ static int jfs_link(struct dentry *old_dentry,
if (rc)
goto out;
+ if (isReadOnly(ip)) {
+ jfs_error(ip->i_sb, "read-only filesystem\n");
+ return -EROFS;
+ }
+
tid = txBegin(ip->i_sb, 0);
mutex_lock_nested(&JFS_IP(dir)->commit_mutex, COMMIT_MUTEX_PARENT);