[PATCH v2 1/2] nfs: fix unused variable warnings
From: Sean Chang <hidden>
Date: 2026-02-16 17:50:23
Also in:
linux-nfs, lkml
Subsystem:
filesystems (vfs and infrastructure), nfs, sunrpc, and lockd clients, the rest · Maintainers:
Alexander Viro, Christian Brauner, Trond Myklebust, Anna Schumaker, Linus Torvalds
Add __maybe_unused to variables only used in specific configurations to silence compiler warnings found during RISC-V builds. Signed-off-by: Sean Chang <redacted> --- v2: - Split the original treewide patch into subsystem-specific commits. - Added more detailed commit descriptions to satisfy checkpatch. fs/nfs/flexfilelayout/flexfilelayout.c | 2 +- fs/nfs/flexfilelayout/flexfilelayoutdev.c | 3 ++- fs/nfs/nfs4proc.c | 2 +- 3 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 9056f05a67dc..de9e8bad6af2 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c@@ -1502,7 +1502,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg, { struct nfs4_ff_layout_mirror *mirror; u32 status = *op_status; - int err; + int err __maybe_unused; if (status == 0) { switch (error) {
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index c2d8a13a9dbd..3fb8dba0abf5 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c@@ -53,7 +53,8 @@ nfs4_ff_alloc_deviceid_node(struct nfs_server *server, struct pnfs_device *pdev, u32 mp_count; u32 version_count; __be32 *p; - int i, ret = -ENOMEM; + int i; + int ret __maybe_unused = -ENOMEM; /* set up xdr stream */ scratch = folio_alloc(gfp_flags, 0);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 180229320731..f76c23cdc888 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c@@ -9241,7 +9241,7 @@ static int _nfs4_proc_create_session(struct nfs_client *clp, int nfs4_proc_create_session(struct nfs_client *clp, const struct cred *cred) { int status; - unsigned *ptr; + unsigned *ptr __maybe_unused; struct nfs4_session *session = clp->cl_session; struct nfs4_add_xprt_data xprtdata = { .clp = clp,
--
2.34.1