A network filesystem needs to implement a netfslib hook to invalidate
fscache if it's to be able to use the cache.
Fix cifs to implement the cache invalidation hook.
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Steve French <sfrench@xxxxxxxxx>
cc: Paulo Alcantara <pc@xxxxxxxxxxxxx>
cc: Jeff Layton <jlayton@xxxxxxxxxx>
cc: linux-cifs@xxxxxxxxxxxxxxx
cc: netfs@xxxxxxxxxxxxxxx
cc: linux-fsdevel@xxxxxxxxxxxxxxx
Fixes: 3ee1a1fc3981 ("cifs: Cut over to using netfslib")
---
fs/smb/client/file.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c
index f8d6ad88335e..b2405dd4d4d4 100644
--- a/fs/smb/client/file.c
+++ b/fs/smb/client/file.c
@@ -133,6 +133,11 @@ static void cifs_issue_write(struct netfs_io_subrequest *subreq)
goto out;
}
+static void cifs_netfs_invalidate_cache(struct netfs_io_request *wreq)
+{
+ cifs_invalidate_cache(wreq->inode, 0);
+}
+
/*
* Split the read up according to how many credits we can get for each piece.
* It's okay to sleep here if we need to wait for more credit to become
@@ -337,6 +342,7 @@ const struct netfs_request_ops cifs_req_ops = {
.begin_writeback = cifs_begin_writeback,
.prepare_write = cifs_prepare_write,
.issue_write = cifs_issue_write,
+ .invalidate_cache = cifs_netfs_invalidate_cache,
};
/*
