[PATCH 12/26] afs: Use alternative invalidation to using launder_folio

David Howells
2024-03-28T16:37:10Z

Use writepages-based flushing invalidation instead of
invalidate_inode_pages2() and ->launder_folio(). This will allow
->launder_folio() to be removed eventually.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: Jeff Layton <jlayton@kernel.org>
cc: linux-afs@lists.infradead.org
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
---
fs/afs/file.c | 1 -
fs/afs/internal.h | 1 -
fs/afs/validation.c | 4 ++--
fs/afs/write.c | 10 +++-------
4 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/fs/afs/file.c b/fs/afs/file.c
index ef2cc8f565d2..dfd8f60f5e1f 100644
--- a/fs/afs/file.c
+++ b/fs/afs/file.c
@@ -54,7 +54,6 @@ const struct address_space_operations afs_file_aops = {
.read_folio = netfs_read_folio,
.readahead = netfs_readahead,
.dirty_folio = netfs_dirty_folio,
- .launder_folio = netfs_launder_folio,
.release_folio = netfs_release_folio,
.invalidate_folio = netfs_invalidate_folio,
.migrate_folio = filemap_migrate_folio,
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 6ce5a612937c..b93aa026daa4 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -916,7 +916,6 @@ struct afs_operation {
loff_t pos;
loff_t size;
loff_t i_size;
- bool laundering; /* Laundering page, PG_writeback not set */
} store;
struct {
struct iattr *attr;
diff --git a/fs/afs/validation.c b/fs/afs/validation.c
index 32a53fc8dfb2..1d8bbc46f734 100644
--- a/fs/afs/validation.c
+++ b/fs/afs/validation.c
@@ -365,9 +365,9 @@ static void afs_zap_data(struct afs_vnode *vnode)
* written back in a regular file and completely discard the pages in a
* directory or symlink */
if (S_ISREG(vnode->netfs.inode.i_mode))
- invalidate_remote_inode(&vnode->netfs.inode);
+ filemap_invalidate_inode(&vnode->netfs.inode, true);
else
- invalidate_inode_pages2(vnode->netfs.inode.i_mapping);
+ filemap_invalidate_inode(&vnode->netfs.inode, false);
}

/*
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 74402d95a884..1bc26466eb72 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -75,8 +75,7 @@ static void afs_store_data_success(struct afs_operation *op)
op->ctime = op->file[0].scb.status.mtime_client;
afs_vnode_commit_status(op, &op->file[0]);
if (!afs_op_error(op)) {
- if (!op->store.laundering)
- afs_pages_written_back(vnode, op->store.pos, op->store.size);
+ afs_pages_written_back(vnode, op->store.pos, op->store.size);
afs_stat_v(vnode, n_stores);
atomic_long_add(op->store.size, &afs_v2net(vnode)->n_store_bytes);
}
@@ -91,8 +90,7 @@ static const struct afs_operation_ops afs_store_data_operation = {
/*
* write to a file
*/
-static int afs_store_data(struct afs_vnode *vnode, struct iov_iter *iter, loff_t pos,
- bool laundering)
+static int afs_store_data(struct afs_vnode *vnode, struct iov_iter *iter, loff_t pos)
{
struct afs_operation *op;
struct afs_wb_key *wbk = NULL;
@@ -123,7 +121,6 @@ static int afs_store_data(struct afs_vnode *vnode, struct iov_iter *iter, loff_t
op->file[0].modification = true;
op->store.pos = pos;
op->store.size = size;
- op->store.laundering = laundering;
op->flags |= AFS_OPERATION_UNINTR;
op->ops = &afs_store_data_operation;

@@ -168,8 +165,7 @@ static void afs_upload_to_server(struct netfs_io_subrequest *subreq)
subreq->rreq->debug_id, subreq->debug_index, subreq->io_iter.count);

trace_netfs_sreq(subreq, netfs_sreq_trace_submit);
- ret = afs_store_data(vnode, &subreq->io_iter, subreq->start,
- subreq->rreq->origin == NETFS_LAUNDER_WRITE);
+ ret = afs_store_data(vnode, &subreq->io_iter, subreq->start);
netfs_write_subrequest_terminated(subreq, ret < 0 ? ret : subreq->len,
false);
}