NFS: Adjust delegated timestamps for O_DIRECT reads and writes

JIRA: https://issues.redhat.com/browse/RHEL-108616

commit 88025c6
Author: Trond Myklebust <[email protected]>
Date:   Sat Feb 1 14:59:03 2025 -0500

    NFS: Adjust delegated timestamps for O_DIRECT reads and writes

    Adjust the timestamps if O_DIRECT is being combined with attribute
    delegations.

    Fixes: e12912d ("NFSv4: Add support for delegated atime and mtime attributes")
    Signed-off-by: Trond Myklebust <[email protected]>
    Signed-off-by: Anna Schumaker <[email protected]>

Signed-off-by: Benjamin Coddington <[email protected]>

Author: bcodding-rh

fs/nfs/direct.c

@@ -56,6 +56,7 @@
 #include <linux/uaccess.h>
 #include <linux/atomic.h>
 
+#include "delegation.h"
 #include "internal.h"
 #include "iostat.h"
 #include "pnfs.h"
@@ -286,6 +287,8 @@ static void nfs_direct_read_completion(struct nfs_pgio_header *hdr)
 	nfs_direct_count_bytes(dreq, hdr);
 	spin_unlock(&dreq->lock);
 
+	nfs_update_delegated_atime(dreq->inode);
+
 	while (!list_empty(&hdr->pages)) {
 		struct nfs_page *req = nfs_list_entry(hdr->pages.next);
 		struct page *page = req->wb_page;
@@ -770,6 +773,7 @@ static void nfs_direct_write_completion(struct nfs_pgio_header *hdr)
 
 	spin_lock(&inode->i_lock);
 	nfs_direct_file_adjust_size_locked(inode, dreq->io_start, dreq->count);
+	nfs_update_delegated_mtime_locked(dreq->inode);
 	spin_unlock(&inode->i_lock);
 
 	while (!list_empty(&hdr->pages)) {