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From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,viro@zeniv.linux.org.uk,stable@vger.kernel.org,kbingham@kernel.org,jlayton@kernel.org,jan.kiszka@siemens.com,jack@suse.cz,florian.fainelli@broadcom.com,akpm@linux-foundation.org
Subject: + scripts-gdb-fix-dentry_name-lookup.patch added to mm-hotfixes-unstable branch
Date: Thu, 19 Jun 2025 17:52:41 -0700	[thread overview]
Message-ID: <20250620005242.3D910C4CEEA@smtp.kernel.org> (raw)


The patch titled
     Subject: scripts/gdb: fix dentry_name() lookup
has been added to the -mm mm-hotfixes-unstable branch.  Its filename is
     scripts-gdb-fix-dentry_name-lookup.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/scripts-gdb-fix-dentry_name-lookup.patch

This patch will later appear in the mm-hotfixes-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Florian Fainelli <florian.fainelli@broadcom.com>
Subject: scripts/gdb: fix dentry_name() lookup
Date: Thu, 19 Jun 2025 15:51:05 -0700

The "d_iname" member was replaced with "d_shortname.string" in the commit
referenced in the Fixes tag.  This prevented the GDB script "lx-mount"
command to properly function:

(gdb) lx-mounts
      mount          super_block     devname pathname fstype options
0xff11000002d21180 0xff11000002d24800 rootfs / rootfs rw 0 0
0xff11000002e18a80 0xff11000003713000 /dev/root / ext4 rw,relatime 0 0
Python Exception <class 'gdb.error'>: There is no member named d_iname.
Error occurred in Python: There is no member named d_iname.

Link: https://lkml.kernel.org/r/20250619225105.320729-1-florian.fainelli@broadcom.com
Fixes: 58cf9c383c5c ("dcache: back inline names with a struct-wrapped array of unsigned long")
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Jan Kara <jack@suse.cz>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Kieran Bingham <kbingham@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 scripts/gdb/linux/vfs.py |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/scripts/gdb/linux/vfs.py~scripts-gdb-fix-dentry_name-lookup
+++ a/scripts/gdb/linux/vfs.py
@@ -22,7 +22,7 @@ def dentry_name(d):
     if parent == d or parent == 0:
         return ""
     p = dentry_name(d['d_parent']) + "/"
-    return p + d['d_iname'].string()
+    return p + d['d_shortname']['string'].string()
 
 class DentryName(gdb.Function):
     """Return string of the full path of a dentry.
_

Patches currently in -mm which might be from florian.fainelli@broadcom.com are

scripts-gdb-fix-dentry_name-lookup.patch


                 reply	other threads:[~2025-06-20  0:52 UTC|newest]

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