LU-15081 vfs: set_nlink() is not race-safe

[fs/lustre-release.git] / lustre / llite / file.c

diff --git a/lustre/llite/file.c b/lustre/llite/file.c
index 474c2e5..fa45c70 100644 (file)
--- a/lustre/llite/file.c
+++ b/lustre/llite/file.c
@@ -5150,7 +5150,10 @@ static int ll_merge_md_attr(struct inode *inode)
        if (rc != 0)
                RETURN(rc);
 
+       spin_lock(&inode->i_lock);
        set_nlink(inode, attr.cat_nlink);
+       spin_unlock(&inode->i_lock);
+
        inode->i_blocks = attr.cat_blocks;
        i_size_write(inode, attr.cat_size);