[PATCH 04/11] fs/netfs: remove unused flag NETFS_ICTX_WRITETHROUGH

From: David Howells
Date: Mon May 19 2025 - 09:51:34 EST


From: Max Kellermann <max.kellermann@xxxxxxxxx>

This flag was added by commit 41d8e7673a77 ("netfs: Implement a
write-through caching option") but it was never used.

Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Paulo Alcantara <pc@xxxxxxxxxxxxx>
cc: netfs@xxxxxxxxxxxxxxx
cc: linux-fsdevel@xxxxxxxxxxxxxxx
---
fs/netfs/buffered_write.c | 3 +--
include/linux/netfs.h | 1 -
2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c
index b4826360a411..26a789c8ce18 100644
--- a/fs/netfs/buffered_write.c
+++ b/fs/netfs/buffered_write.c
@@ -115,8 +115,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
size_t max_chunk = mapping_max_folio_size(mapping);
bool maybe_trouble = false;

- if (unlikely(test_bit(NETFS_ICTX_WRITETHROUGH, &ctx->flags) ||
- iocb->ki_flags & (IOCB_DSYNC | IOCB_SYNC))
+ if (unlikely(iocb->ki_flags & (IOCB_DSYNC | IOCB_SYNC))
) {
wbc_attach_fdatawrite_inode(&wbc, mapping->host);

diff --git a/include/linux/netfs.h b/include/linux/netfs.h
index 5a76bea51d24..242daec8c837 100644
--- a/include/linux/netfs.h
+++ b/include/linux/netfs.h
@@ -70,7 +70,6 @@ struct netfs_inode {
unsigned long flags;
#define NETFS_ICTX_ODIRECT 0 /* The file has DIO in progress */
#define NETFS_ICTX_UNBUFFERED 1 /* I/O should not use the pagecache */
-#define NETFS_ICTX_WRITETHROUGH 2 /* Write-through caching */
#define NETFS_ICTX_MODIFIED_ATTR 3 /* Indicate change in mtime/ctime */
#define NETFS_ICTX_SINGLE_NO_UPLOAD 4 /* Monolithic payload, cache but no upload */
};