linux-kernel - [PATCH 6.1.y 2/5] erofs: sunset erofs

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Message-ID: <20250722100029.3052177-3-hsiangkao@linux.alibaba.com>
Date: Tue, 22 Jul 2025 18:00:26 +0800
From: Gao Xiang <hsiangkao@...ux.alibaba.com>
To: stable@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jan Kiszka <jan.kiszka@...mens.com>,
	Stefan Kerkmann <s.kerkmann@...gutronix.de>
Cc: linux-erofs@...ts.ozlabs.org,
	LKML <linux-kernel@...r.kernel.org>,
	Gao Xiang <hsiangkao@...ux.alibaba.com>,
	Chao Yu <chao@...nel.org>
Subject: [PATCH 6.1.y 2/5] erofs: sunset erofs_dbg()

commit 10656f9ca60ed85f4cfc06bcbe1f240ee310fa8c upstream.

Such debug messages are rarely used now.  Let's get rid of these,
and revert locally if they are needed for debugging.

Signed-off-by: Gao Xiang <hsiangkao@...ux.alibaba.com>
Reviewed-by: Chao Yu <chao@...nel.org>
Link: https://lore.kernel.org/r/20230414083027.12307-1-hsiangkao@linux.alibaba.com
---
 fs/erofs/inode.c    | 3 ---
 fs/erofs/internal.h | 2 --
 fs/erofs/namei.c    | 9 +++------
 fs/erofs/zdata.c    | 5 -----
 fs/erofs/zmap.c     | 3 ---
 5 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c
index 7dcf350b9fef..3cbef6318b7b 100644
--- a/fs/erofs/inode.c
+++ b/fs/erofs/inode.c
@@ -26,9 +26,6 @@ static void *erofs_read_inode(struct erofs_buf *buf,
 	blkaddr = erofs_blknr(sb, inode_loc);
 	*ofs = erofs_blkoff(sb, inode_loc);
 
-	erofs_dbg("%s, reading inode nid %llu at %u of blkaddr %u",
-		  __func__, vi->nid, *ofs, blkaddr);
-
 	kaddr = erofs_read_metabuf(buf, sb, blkaddr, EROFS_KMAP);
 	if (IS_ERR(kaddr)) {
 		erofs_err(sb, "failed to get inode (nid: %llu) page, err %ld",
diff --git a/fs/erofs/internal.h b/fs/erofs/internal.h
index d7cd1e619d46..126970932805 100644
--- a/fs/erofs/internal.h
+++ b/fs/erofs/internal.h
@@ -32,10 +32,8 @@ __printf(3, 4) void _erofs_info(struct super_block *sb,
 #define erofs_info(sb, fmt, ...) \
 	_erofs_info(sb, __func__, fmt "\n", ##__VA_ARGS__)
 #ifdef CONFIG_EROFS_FS_DEBUG
-#define erofs_dbg(x, ...)       pr_debug(x "\n", ##__VA_ARGS__)
 #define DBG_BUGON               BUG_ON
 #else
-#define erofs_dbg(x, ...)       ((void)0)
 #define DBG_BUGON(x)            ((void)(x))
 #endif	/* !CONFIG_EROFS_FS_DEBUG */
 
diff --git a/fs/erofs/namei.c b/fs/erofs/namei.c
index 8332428b780c..c0d5ffb62420 100644
--- a/fs/erofs/namei.c
+++ b/fs/erofs/namei.c
@@ -203,16 +203,13 @@ static struct dentry *erofs_lookup(struct inode *dir, struct dentry *dentry,
 
 	err = erofs_namei(dir, &dentry->d_name, &nid, &d_type);
 
-	if (err == -ENOENT) {
+	if (err == -ENOENT)
 		/* negative dentry */
 		inode = NULL;
-	} else if (err) {
+	else if (err)
 		inode = ERR_PTR(err);
-	} else {
-		erofs_dbg("%s, %pd (nid %llu) found, d_type %u", __func__,
-			  dentry, nid, d_type);
+	else
 		inode = erofs_iget(dir->i_sb, nid);
-	}
 	return d_splice_alias(inode, dentry);
 }
 
diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c
index 32ca6d3e373a..5c0f855ab18d 100644
--- a/fs/erofs/zdata.c
+++ b/fs/erofs/zdata.c
@@ -818,8 +818,6 @@ static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
 
 	if (offset + cur < map->m_la ||
 	    offset + cur >= map->m_la + map->m_llen) {
-		erofs_dbg("out-of-range map @ pos %llu", offset + cur);
-
 		if (z_erofs_collector_end(fe))
 			fe->backmost = false;
 		map->m_la = offset + cur;
@@ -935,9 +933,6 @@ static int z_erofs_do_read_page(struct z_erofs_decompress_frontend *fe,
 	if (err)
 		z_erofs_page_mark_eio(page);
 	z_erofs_onlinepage_endio(page);
-
-	erofs_dbg("%s, finish page: %pK spiltted: %u map->m_llen %llu",
-		  __func__, page, spiltted, map->m_llen);
 	return err;
 }
 
diff --git a/fs/erofs/zmap.c b/fs/erofs/zmap.c
index 2cd70cf4c8b2..d2d7fe826091 100644
--- a/fs/erofs/zmap.c
+++ b/fs/erofs/zmap.c
@@ -603,9 +603,6 @@ static int z_erofs_do_map_blocks(struct inode *inode,
 
 unmap_out:
 	erofs_unmap_metabuf(&m.map->buf);
-	erofs_dbg("%s, m_la %llu m_pa %llu m_llen %llu m_plen %llu m_flags 0%o",
-		  __func__, map->m_la, map->m_pa,
-		  map->m_llen, map->m_plen, map->m_flags);
 	return err;
 }
 
-- 
2.43.5