linux-kernel - [RFC PATCH 3/3] 9p: Always update remote_i

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Message-ID: <20240129115512.1281624-4-dhowells@redhat.com>
Date: Mon, 29 Jan 2024 11:54:37 +0000
From: David Howells <dhowells@...hat.com>
To: Eric Van Hensbergen <ericvh@...nel.org>,
	Dominique Martinet <asmadeus@...ewreck.org>,
	Latchesar Ionkov <lucho@...kov.net>
Cc: David Howells <dhowells@...hat.com>,
	Christian Schoenebeck <linux_oss@...debyte.com>,
	Matthew Wilcox <willy@...radead.org>,
	Jeff Layton <jlayton@...nel.org>,
	Christian Brauner <christian@...uner.io>,
	netfs@...ts.linux.dev,
	v9fs@...ts.linux.dev,
	linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-cachefs@...hat.com
Subject: [RFC PATCH 3/3] 9p: Always update remote_i_size in stat2inode

Always update remote_i_size in v9fs_stat2inode*() if the size is available,
even if we are asked not to update i_isize

Suggested-by: Dominique Martinet <asmadeus@...ewreck.org>
Link: https://lore.kernel.org/r/ZZVctju5TEjS218p@codewreck.org/
Signed-off-by: David Howells <dhowells@...hat.com>
cc: Eric Van Hensbergen <ericvh@...nel.org>
cc: Latchesar Ionkov <lucho@...kov.net>
cc: Christian Schoenebeck <linux_oss@...debyte.com>
cc: v9fs@...ts.linux.dev
cc: linux-cachefs@...hat.com
cc: linux-fsdevel@...r.kernel.org
---
 fs/9p/vfs_inode_dotl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 3505227e1704..aa3a77bb5e86 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -684,10 +684,10 @@ v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode,
 			mode |= inode->i_mode & ~S_IALLUGO;
 			inode->i_mode = mode;
 		}
-		if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE) &&
-		    stat->st_result_mask & P9_STATS_SIZE) {
+		if (stat->st_result_mask & P9_STATS_SIZE) {
 			v9inode->netfs.remote_i_size = stat->st_size;
-			v9fs_i_size_write(inode, stat->st_size);
+			if (!(flags & V9FS_STAT2INODE_KEEP_ISIZE))
+				v9fs_i_size_write(inode, stat->st_size);
 		}
 		if (stat->st_result_mask & P9_STATS_BLOCKS)
 			inode->i_blocks = stat->st_blocks;