This is a note to let you know that I've just added the patch titled exportfs: use pr_debug for unreachable debug statements to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: exportfs-use-pr_debug-for-unreachable-debug-statements.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From db11de653c2fdd198722c6647c23d8ecbf2dc80a Mon Sep 17 00:00:00 2001 From: David Disseldorp <ddiss@xxxxxxx> Date: Fri, 21 Oct 2022 14:24:14 +0200 Subject: exportfs: use pr_debug for unreachable debug statements From: David Disseldorp <ddiss@xxxxxxx> [ Upstream commit 427505ffeaa464f683faba945a88d3e3248f6979 ] expfs.c has a bunch of dprintk statements which are unusable due to: #define dprintk(fmt, args...) do{}while(0) Use pr_debug so that they can be enabled dynamically. Also make some minor changes to the debug statements to fix some incorrect types, and remove __func__ which can be handled by dynamic debug separately. Signed-off-by: David Disseldorp <ddiss@xxxxxxx> Reviewed-by: NeilBrown <neilb@xxxxxxx> Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/exportfs/expfs.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/fs/exportfs/expfs.c +++ b/fs/exportfs/expfs.c @@ -18,7 +18,7 @@ #include <linux/sched.h> #include <linux/cred.h> -#define dprintk(fmt, args...) do{}while(0) +#define dprintk(fmt, args...) pr_debug(fmt, ##args) static int get_name(const struct path *path, char *name, struct dentry *child); @@ -132,8 +132,8 @@ static struct dentry *reconnect_one(stru inode_unlock(dentry->d_inode); if (IS_ERR(parent)) { - dprintk("%s: get_parent of %ld failed, err %d\n", - __func__, dentry->d_inode->i_ino, PTR_ERR(parent)); + dprintk("get_parent of %lu failed, err %ld\n", + dentry->d_inode->i_ino, PTR_ERR(parent)); return parent; } @@ -147,7 +147,7 @@ static struct dentry *reconnect_one(stru dprintk("%s: found name: %s\n", __func__, nbuf); tmp = lookup_one_unlocked(mnt_user_ns(mnt), nbuf, parent, strlen(nbuf)); if (IS_ERR(tmp)) { - dprintk("%s: lookup failed: %d\n", __func__, PTR_ERR(tmp)); + dprintk("lookup failed: %ld\n", PTR_ERR(tmp)); err = PTR_ERR(tmp); goto out_err; } Patches currently in stable-queue which might be from ddiss@xxxxxxx are queue-6.1/exportfs-use-pr_debug-for-unreachable-debug-statements.patch