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-rw-r--r--fs/nfs/direct.c9
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c6
2 files changed, 12 insertions, 3 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index aa12c3063bae..33824a0a57bf 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -98,8 +98,11 @@ struct nfs_direct_req {
struct pnfs_ds_commit_info ds_cinfo; /* Storage for cinfo */
struct work_struct work;
int flags;
+ /* for write */
#define NFS_ODIRECT_DO_COMMIT (1) /* an unstable reply was received */
#define NFS_ODIRECT_RESCHED_WRITES (2) /* write verification failed */
+ /* for read */
+#define NFS_ODIRECT_SHOULD_DIRTY (3) /* dirty user-space page after read */
struct nfs_writeverf verf; /* unstable write verifier */
};
@@ -412,7 +415,8 @@ static void nfs_direct_read_completion(struct nfs_pgio_header *hdr)
struct nfs_page *req = nfs_list_entry(hdr->pages.next);
struct page *page = req->wb_page;
- if (!PageCompound(page) && bytes < hdr->good_bytes)
+ if (!PageCompound(page) && bytes < hdr->good_bytes &&
+ (dreq->flags == NFS_ODIRECT_SHOULD_DIRTY))
set_page_dirty(page);
bytes += req->wb_bytes;
nfs_list_remove_request(req);
@@ -587,6 +591,9 @@ ssize_t nfs_file_direct_read(struct kiocb *iocb, struct iov_iter *iter)
if (!is_sync_kiocb(iocb))
dreq->iocb = iocb;
+ if (iter_is_iovec(iter))
+ dreq->flags = NFS_ODIRECT_SHOULD_DIRTY;
+
nfs_start_io_direct(inode);
NFS_I(inode)->read_io += count;
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 74b36ed883ca..310d7500f665 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1733,7 +1733,8 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr)
if (fh)
hdr->args.fh = fh;
- if (!nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
+ if (vers == 4 &&
+ !nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
goto out_failed;
/*
@@ -1798,7 +1799,8 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
if (fh)
hdr->args.fh = fh;
- if (!nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
+ if (vers == 4 &&
+ !nfs4_ff_layout_select_ds_stateid(lseg, idx, &hdr->args.stateid))
goto out_failed;
/*