linux-kernel - [PATCH 5/7] dm-verity: make verity_fec_is

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Message-ID: <20251216230614.51779-6-ebiggers@kernel.org>
Date: Tue, 16 Dec 2025 15:06:12 -0800
From: Eric Biggers <ebiggers@...nel.org>
To: dm-devel@...ts.linux.dev,
	Alasdair Kergon <agk@...hat.com>,
	Mike Snitzer <snitzer@...nel.org>,
	Mikulas Patocka <mpatocka@...hat.com>,
	Benjamin Marzinski <bmarzins@...hat.com>
Cc: Sami Tolvanen <samitolvanen@...gle.com>,
	Eran Messeri <eranm@...gle.com>,
	linux-kernel@...r.kernel.org,
	Eric Biggers <ebiggers@...nel.org>
Subject: [PATCH 5/7] dm-verity: make verity_fec_is_enabled() an inline function

verity_fec_is_enabled() is very short and is called in quite a few
places, so make it an inline function.

Signed-off-by: Eric Biggers <ebiggers@...nel.org>
---
 drivers/md/dm-verity-fec.c | 8 --------
 drivers/md/dm-verity-fec.h | 6 +++++-
 2 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c
index 7574e65c32ae..9bf93280cf33 100644
--- a/drivers/md/dm-verity-fec.c
+++ b/drivers/md/dm-verity-fec.c
@@ -20,18 +20,10 @@
 static inline unsigned int fec_max_nbufs(struct dm_verity *v)
 {
 	return 1 << (v->data_dev_block_bits - DM_VERITY_FEC_BUF_RS_BITS);
 }
 
-/*
- * If error correction has been configured, returns true.
- */
-bool verity_fec_is_enabled(struct dm_verity *v)
-{
-	return v->fec && v->fec->dev;
-}
-
 /*
  * Return an interleaved offset for a byte in RS block.
  */
 static inline u64 fec_interleave(struct dm_verity *v, u64 offset)
 {
diff --git a/drivers/md/dm-verity-fec.h b/drivers/md/dm-verity-fec.h
index 84f8299673ff..a002cb5c96c5 100644
--- a/drivers/md/dm-verity-fec.h
+++ b/drivers/md/dm-verity-fec.h
@@ -65,11 +65,15 @@ struct dm_verity_fec_io {
 #ifdef CONFIG_DM_VERITY_FEC
 
 /* each feature parameter requires a value */
 #define DM_VERITY_OPTS_FEC	8
 
-extern bool verity_fec_is_enabled(struct dm_verity *v);
+/* Returns true if forward error correction is enabled. */
+static inline bool verity_fec_is_enabled(struct dm_verity *v)
+{
+	return v->fec && v->fec->dev;
+}
 
 extern int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io,
 			     enum verity_block_type type, const u8 *want_digest,
 			     sector_t block, u8 *dest);
 
-- 
2.52.0