From 5e717c6fa41ff9b9b0c1e5959ccf5d8ef42f804b Mon Sep 17 00:00:00 2001
From: Amir Goldstein <amir73il@gmail.com>
Date: Sat, 10 Apr 2021 12:17:50 +0300
Subject: [PATCH] ovl: add debug print to ovl_do_getxattr()
It was the only ovl_do helper missing it.
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
---
fs/overlayfs/overlayfs.h | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index 2322f854533cf..d1e08d8042072 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -186,7 +186,12 @@ static inline ssize_t ovl_do_getxattr(struct ovl_fs *ofs, struct dentry *dentry,
size_t size)
{
const char *name = ovl_xattr(ofs, ox);
- return vfs_getxattr(&init_user_ns, dentry, name, value, size);
+ int err = vfs_getxattr(&init_user_ns, dentry, name, value, size);
+ int len = (value && err > 0) ? err : 0;
+
+ pr_debug("getxattr(%pd2, \"%s\", \"%*pE\", %zu, 0) = %i\n",
+ dentry, name, min(len, 48), value, size, err);
+ return err;
}
static inline int ovl_do_setxattr(struct ovl_fs *ofs, struct dentry *dentry,
--
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