linux-kernel - [RFC PATCH 19/19] famfs_fuse: (ignore) debug cruft

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Message-Id: <20250421013346.32530-20-john@groves.net>
Date: Sun, 20 Apr 2025 20:33:46 -0500
From: John Groves <John@...ves.net>
To: John Groves <John@...ves.net>,
	Dan Williams <dan.j.williams@...el.com>,
	Miklos Szeredi <miklos@...redb.hu>,
	Bernd Schubert <bschubert@....com>
Cc: John Groves <jgroves@...ron.com>,
	Jonathan Corbet <corbet@....net>,
	Vishal Verma <vishal.l.verma@...el.com>,
	Dave Jiang <dave.jiang@...el.com>,
	Matthew Wilcox <willy@...radead.org>,
	Jan Kara <jack@...e.cz>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Christian Brauner <brauner@...nel.org>,
	"Darrick J . Wong" <djwong@...nel.org>,
	Luis Henriques <luis@...lia.com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Jeff Layton <jlayton@...nel.org>,
	Kent Overstreet <kent.overstreet@...ux.dev>,
	Petr Vorel <pvorel@...e.cz>,
	Brian Foster <bfoster@...hat.com>,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	nvdimm@...ts.linux.dev,
	linux-cxl@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	Amir Goldstein <amir73il@...il.com>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Stefan Hajnoczi <shajnocz@...hat.com>,
	Joanne Koong <joannelkoong@...il.com>,
	Josef Bacik <josef@...icpanda.com>,
	Aravind Ramesh <arramesh@...ron.com>,
	Ajay Joshi <ajayjoshi@...ron.com>,
	John Groves <john@...ves.net>
Subject: [RFC PATCH 19/19] famfs_fuse: (ignore) debug cruft

This debug cruft will be dropped from the "real" patch set

Signed-off-by: John Groves <john@...ves.net>
---
 fs/fuse/Makefile |  2 +-
 fs/fuse/dev.c    | 61 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/fs/fuse/Makefile b/fs/fuse/Makefile
index 65a12975d734..ad3e06a9a809 100644
--- a/fs/fuse/Makefile
+++ b/fs/fuse/Makefile
@@ -4,7 +4,7 @@
 #
 
 # Needed for trace events
-ccflags-y = -I$(src)
+ccflags-y = -I$(src) -g -DDEBUG -fno-inline -fno-omit-frame-pointer
 
 obj-$(CONFIG_FUSE_FS) += fuse.o
 obj-$(CONFIG_CUSE) += cuse.o
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 51e31df4c546..ba947511a379 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -30,6 +30,60 @@
 MODULE_ALIAS_MISCDEV(FUSE_MINOR);
 MODULE_ALIAS("devname:fuse");
 
+static char *opname[] = {
+	[FUSE_LOOKUP]	   =   "LOOKUP",
+	[FUSE_FORGET]	   =   "FORGET",
+	[FUSE_GETATTR]	   =   "GETATTR",
+	[FUSE_SETATTR]	   =   "SETATTR",
+	[FUSE_READLINK]	   =   "READLINK",
+	[FUSE_SYMLINK]	   =   "SYMLINK",
+	[FUSE_MKNOD]	   =   "MKNOD",
+	[FUSE_MKDIR]	   =   "MKDIR",
+	[FUSE_UNLINK]	   =   "UNLINK",
+	[FUSE_RMDIR]	   =   "RMDIR",
+	[FUSE_RENAME]	   =   "RENAME",
+	[FUSE_LINK]	   =   "LINK",
+	[FUSE_OPEN]	   =   "OPEN",
+	[FUSE_READ]	   =   "READ",
+	[FUSE_WRITE]	   =   "WRITE",
+	[FUSE_STATFS]	   =   "STATFS",
+	[FUSE_STATX]       =   "STATX",
+	[FUSE_RELEASE]	   =   "RELEASE",
+	[FUSE_FSYNC]	   =   "FSYNC",
+	[FUSE_SETXATTR]	   =   "SETXATTR",
+	[FUSE_GETXATTR]	   =   "GETXATTR",
+	[FUSE_LISTXATTR]   =   "LISTXATTR",
+	[FUSE_REMOVEXATTR] =   "REMOVEXATTR",
+	[FUSE_FLUSH]	   =   "FLUSH",
+	[FUSE_INIT]	   =   "INIT",
+	[FUSE_OPENDIR]	   =   "OPENDIR",
+	[FUSE_READDIR]	   =   "READDIR",
+	[FUSE_RELEASEDIR]  =   "RELEASEDIR",
+	[FUSE_FSYNCDIR]	   =   "FSYNCDIR",
+	[FUSE_GETLK]	   =   "GETLK",
+	[FUSE_SETLK]	   =   "SETLK",
+	[FUSE_SETLKW]	   =   "SETLKW",
+	[FUSE_ACCESS]	   =  "ACCESS",
+	[FUSE_CREATE]	   =  "CREATE",
+	[FUSE_INTERRUPT]   =  "INTERRUPT",
+	[FUSE_BMAP]	   =  "BMAP",
+	[FUSE_IOCTL]	   =  "IOCTL",
+	[FUSE_POLL]	   =  "POLL",
+	[FUSE_FALLOCATE]   =  "FALLOCATE",
+	[FUSE_DESTROY]	   =  "DESTROY",
+	[FUSE_NOTIFY_REPLY] = "NOTIFY_REPLY",
+	[FUSE_BATCH_FORGET] = "BATCH_FORGET",
+	[FUSE_READDIRPLUS] = "READDIRPLUS",
+	[FUSE_RENAME2]     =  "RENAME2",
+	[FUSE_COPY_FILE_RANGE] = "COPY_FILE_RANGE",
+	[FUSE_LSEEK]	   = "LSEEK",
+	[CUSE_INIT]	   = "CUSE_INIT",
+	[FUSE_TMPFILE]     = "TMPFILE",
+	[FUSE_SYNCFS]      = "SYNCFS",
+	[FUSE_GET_FMAP]    = "GET_FMAP",
+	[FUSE_GET_DAXDEV]  = "GET_DAXDEV",
+};
+
 static struct kmem_cache *fuse_req_cachep;
 
 static void fuse_request_init(struct fuse_mount *fm, struct fuse_req *req)
@@ -566,6 +620,13 @@ ssize_t __fuse_simple_request(struct mnt_idmap *idmap,
 	}
 	fuse_put_request(req);
 
+	pr_debug("%s: opcode=%s (%d) nodeid=%lld out_numargs=%d len[0]=%d len[1]=%d\n",
+		  __func__, opname[args->opcode], args->opcode,
+		  args->nodeid,
+		  args->out_numargs,
+		  args->out_args[0].size,
+		  (args->out_numargs > 1) ? args->out_args[1].size : 0);
+
 	return ret;
 }
 
-- 
2.49.0