[PATCH v4 2/8] nfsd: ignore ATTR_DELEG when checking ia_valid before notify_change()

From: Jeff Layton
Date: Wed Jul 30 2025 - 09:25:49 EST


If the only flag left is ATTR_DELEG, then there are no changes to be
made.

Fixes: 7e13f4f8d27d ("nfsd: handle delegated timestamps in SETATTR")
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
---
fs/nfsd/vfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index eaf04751d07fe9be4d1dd08477bc5a38ac99be3a..68d42fc5504d8750174b9a2aef10886ed92f528b 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -467,7 +467,7 @@ static int __nfsd_setattr(struct dentry *dentry, struct iattr *iap)
return 0;
}

- if (!iap->ia_valid)
+ if ((iap->ia_valid & ~ATTR_DELEG) == 0)
return 0;

/*

--
2.50.1