[PATCH 5.10 091/121] NFS: Dont set NFS_INO_INVALID_XATTR if there is no xattr cache

Greg Kroah-Hartman
2022-02-21T09:20:13Z

From: Trond Myklebust <trond.myklebust@hammerspace.com>

[ Upstream commit 848fdd62399c638e65a1512616acaa5de7d5c5e8 ]

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/nfs/inode.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)

diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 21addb78523d2..6e7fd73a264af 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -195,6 +195,18 @@ bool nfs_check_cache_invalid(struct inode *inode, unsigned long flags)
}
EXPORT_SYMBOL_GPL(nfs_check_cache_invalid);

+#ifdef CONFIG_NFS_V4_2
+static bool nfs_has_xattr_cache(const struct nfs_inode *nfsi)
+{
+ return nfsi->xattr_cache != NULL;
+}
+#else
+static bool nfs_has_xattr_cache(const struct nfs_inode *nfsi)
+{
+ return false;
+}
+#endif
+
static void nfs_set_cache_invalid(struct inode *inode, unsigned long flags)
{
struct nfs_inode *nfsi = NFS_I(inode);
@@ -210,6 +222,8 @@ static void nfs_set_cache_invalid(struct inode *inode, unsigned long flags)
} else if (flags & NFS_INO_REVAL_PAGECACHE)
flags |= NFS_INO_INVALID_CHANGE | NFS_INO_INVALID_SIZE;

+ if (!nfs_has_xattr_cache(nfsi))
+ flags &= ~NFS_INO_INVALID_XATTR;
if (inode->i_mapping->nrpages == 0)
flags &= ~(NFS_INO_INVALID_DATA|NFS_INO_DATA_INVAL_DEFER);
nfsi->cache_validity |= flags;
--
2.34.1