From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
If the filesystem is case insensitive, then readdirplus can't help with
cache misses, since it won't return case folded variants of the filename.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/dir.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index c4d962bca9ef..b1e6c56d7e1a 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -667,6 +667,8 @@ void nfs_readdir_record_entry_cache_miss(struct inode *dir)
static void nfs_lookup_advise_force_readdirplus(struct inode *dir)
{
+ if (nfs_server_capable(dir, NFS_CAP_CASE_INSENSITIVE))
+ return;
nfs_readdir_record_entry_cache_miss(dir);
}
--
2.35.1
