From 51e9a86a4f75c6dc8531407b2ab2ccc4ad137e5a Mon Sep 17 00:00:00 2001 From: David Howells Date: Tue, 9 Jul 2024 09:45:46 +0100 Subject: netfs: Reserve netfs_sreq_source 0 as unset/unknown Reserve the 0-valued netfs_sreq_source to mean unset or unknown so that it can be seen in the trace as such rather than appearing as download-from-server when it's going to get switched to something else. Signed-off-by: David Howells cc: Jeff Layton cc: netfs@lists.linux.dev cc: linux-fsdevel@vger.kernel.org Link: https://lore.kernel.org/r/20240814203850.2240469-9-dhowells@redhat.com/ # v2 Signed-off-by: Christian Brauner --- include/linux/netfs.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/netfs.h') diff --git a/include/linux/netfs.h b/include/linux/netfs.h index eea5ea2842f6..37f8ce9c0284 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -43,6 +43,7 @@ static inline void folio_start_private_2(struct folio *folio) #define NETFS_BUF_PAGECACHE_MARK XA_MARK_1 /* - Page needs wb/dirty flag wrangling */ enum netfs_io_source { + NETFS_SOURCE_UNKNOWN, NETFS_FILL_WITH_ZEROES, NETFS_DOWNLOAD_FROM_SERVER, NETFS_READ_FROM_CACHE, -- cgit v1.2.3-73-gaa49b